Super Smart Ball Bushing Bearing - Hollin Applications

Product OverviewPhone: 1-800-554-8466Website: www.thomsonballbushing.comThomson Linear Motion ComponentsThe RoundRail* AdvantageDie Set Ball Bushing* BearingsAvailable in two accuracy classes and suitable for a varietyof industrial applications.Thomson Die Set Ball Bushing bearings are designed to fit the mountingholes of the punch holder in standard dies. When replacing high frictionplain bearings in standard dies, the result is less machine downtime andincreased efficiency. With steady state speeds up to 10 ft/s, the Die Setbearing will provide faster cycle times, with improvements in productionrates realized immediately. Matched precision ground 60 Case*LinearRace* allows for a close fit-up between the shaft and theLinearRace shafting and bearing providing critical die alignment. Whennormal machine service requires bearing replacement, the Die Set bearingcan be removed by simply unbolting the toe clamps. Available in1, 1 1 ⁄4, 1 1 ⁄2 and 2 inch sizes from over 1800 distributors worldwide.(See Page 84)XR* Ball Bushing Bearing ProductsHigh load capacity and rigidity combined with theRoundRail Advantage.The XR Ball Bushing bearing provides five times the load capacity or125 times the life of conventional linear bearings. This increase in bearingperformance significantly reduces downtime and maintenance, whileincreasing machine reliability. When replacing v-ways and flat-ways, XRBall Bushing bearings allow travel speeds up to 5 ft/s and accelerationsup to 225 ft/s 2 without a sharp increase in power consumption. XR BallBushing bearings also provide three times the rigidity of conventionalBall Bushing bearings reducing deflection in critical machining applications.Pillow Blocks are available with factory installed XR Ball Bushingbearings and integral seals. 60 Case LinearRace shafting available premountedon standard extra rigid LinearRace support rails. Available in 2,3 and 4 inch sizes from over 1800 distributors worldwide. (See Page 98)RoundWay* Linear Roller BearingsLow friction roller bearings with up to 20 times the loadcapacity of conventional linear bearings.These patented, self-aligning linear roller bearings have over 20 timesthe load capacity of a conventional linear ball bearing. This dramaticincrease in bearing load capacity allows designers to optimize systemcompactness and minimize hardware costs. Combining the self-aligningfeature with the RoundRail Advantage minimizes installation time andassures trouble-free operation. RoundWay and RoundWay II bearingscan achieve operating speeds up to 10 ft/s without the derating factorscommonly seen with linear guides. When normal machine maintenanceis required, RoundWay bearings can be quickly and cost-effectivelyreplaced, without scrapping the entire system, a major problem whenservicing some linear guides. RoundWay bearings are available fromover 1800 authorized distributors worldwide. (See Page 110)Page 6©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing BearingsSuper Smart Ball Bushing Bearing ProductsSSUThomson Super Smart Ball Bushing*Bearing products offer:• up to six times the load capacity or 216times the travel life of conventional linearbearings.• twice the load capacity or eight times thetravel life of industry standard ThomsonSuper Ball Bushing* bearings.• a precision super finished, dual trackbearing plate for optimum systemsmoothness and performance.• a universal self-alignment feature, thatcompensates for misalignment of housingbores and 60 Case* LinearRace* shaftdeflection, optimizes load distributionbetween ball tracks and assures uniformball loading over the entire length of thebearing plate. Installation time and cost isminimized while bearing performance andlife is maximized.• a technologically advanced design thatallows the bearing to maintain itsdiametrical fit-up when installed in ahousing that is slightly out-of-round.• longer travel life and minimal machinedowntime when replacing conventionallinear bearings or the industry standardSuper Ball Bushing bearing.• the RoundRail* Advantage combined withuniversal self-alignment eliminating the needfor derating factors commonly required whenusing linear guides.• a coefficient of friction as low as .001. Thisallows the use of smaller less expensivemotors, belts, gears and ball screws, whenreplacing high friction, plain bearings.• closed and open configurations.• double lip integral wipers that keep out dirtwhile retaining lubrication. Travel life ismaximized.• worldwide availability from over 1800authorized distributors.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 7* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing BearingThe new Super Smart Ball Bushing* bearing representsa major advancement in linear bearing technologyworldwide. The Super Smart Ball Bushing bearingoffers twice the load capacity or eight times the travellife of the industry standard Thomson Super BallBushing* bearing. An enormous technological breakthrough,considering the Super Ball Bushing bearingalready offers three times the load capacity or twentyseventimes the travel life of conventional linearbearings.Technologically Advanced DesignThe load carrying component of the Super Smart BallBushing bearing is the combination of four hardenedbearing quality steel components (Figures 1 & 2).Double TrackBearing PlateHardenedPrecision RingThe first component is the steel outer ring, which allowsthe bearing to maintain its diametrical fit-up even wheninstalled in a housing that is slightly out-of-round. Theunique ring design also allows for bearing adjustmentand the removal of diametrical clearance. The secondcomponent is the precision super finished double trackbearing plate that provides twice the load capacity andfeatures universal self-alignment.Figure 2RetainerHardenedPrecision RingDouble TrackBearing PlateThe third component is the rolling element. Each SuperSmart Ball Bushing bearing utilizes precision groundballs manufactured to the highest quality standards forroundness and sphericity. The result is maximum loadcapacity, travel life and performance.The last component is the 60 Case* LinearRace* shaftthat acts as the inner race to the Super Smart BallBushing bearing. Each 60 Case LinearRace shaft ismanufactured to the highest quality standards forroundness, straightness, surface finish and hardness.Roundness is held under eighty millionths of an inch;straightness to .002 inches per foot; surface finishunder twelve microinch and hardness between 60-65HRC. The combination of inner and outer race or 60Case LinearRace shaft and Super Smart Ball Bushingbearing provides the basis for the RoundRail*Advantage.Cross-section of Super SmartBall Bushing BearingFigure 1The RoundRail AdvantageThe RoundRail Advantage is the inherent ability of aSuper Smart Ball Bushing bearing system to accommodatetorsional misalignment (caused by inaccuracies incarriage or base machining or by machine deflection) withlittle increase in stress to bearing components. Installationtime and cost are minimized and system performance ismaximized.Page 8©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing BearingsSuper Smart Ball Bushing BearingUniversal Self-AlignmentThe bearing plate of the Super Smart Ball Bushing* bearing isdesigned with many unique and technologically advancedfeatures. The universal self-alignment feature assures that theSuper Smart Ball Bushing bearing will achieve maximumperformance regarding load capacity, travel life, smoothoperation and coefficient of friction. The three componentsthat make up universal self-alignment are Rock, Roll andYaw.LOADSSUHardenedPrecision RingDoubleLip Wiper0.5ºClose-up of double track bearing plates showing howthey self-align (roll) to evenly distribute the load on eachof their two ball tracks.Figure 5Figure 3RollThe second key design feature of the Super Smart BallBushing bearing plate is its ability to Roll. The bearing plate isdesigned with the radius of its outer surface smaller than theinside radius of the precision outer ring (Figure 5). This allowsthe bearing plate to compensate for torsional misalignmentand evenly distribute the load on each of its two ball tracks.The roll component assures maximum load capacity andtravel life.RockThe bearing plate is designed to rock 0.5º about the hardenedprecision ground outer ring (Figures 3 & 4). This self-aligningfeature allows the Super Smart Ball Bushing bearing toabsorb misalignment caused by inaccuracies in housing borealignment or 60 Case* LinearRace* shaft deflection.This rocking capability provides smooth entry and exit of theprecision balls into and out of the load zone assuring aconstant low coefficient of friction. By compensating formisalignment, each bearing ball in the load carrying area isuniformly loaded providing maximum load capacity.Bearing plates rotate about their center to preventskewing relative to the 60 Case LinearRace shaft.Figure 6Close-up of hardened precision ring, showing howthe bearing plate self-aligns (rocks) about thecurved surface of the ring.Figure 4YawThe shape formed by the Rock and Roll features allows theSuper Smart Ball Bushing bearing plate to rotate about itscenter (Figure 6). This allows the Super Smart Ball Bushingbearing to absorb skew caused by misalignment. The resultis a constant low coefficient of friction and maximum bearingperformance.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 9* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing BearingThe Super Smart AdvantageAdvantage: Load Capacity700LOAD COMPARISON6006xLOAD CAPACITY5004003002003x1001x0COVENTIONALLINEARBEARINGSUPERBALL BUSHINGBEARINGSUPER SMARTBALL BUSHINGBEARINGThe Super Smart Ball Bushing* bearing provides twice the load capacity of the industry standard ThomsonSuper Ball Bushing* bearing and six times the load capacity of conventional linear bearings.Advantage: Travel Life250LIFE COMPARISON(AT EQUAL LOADING)216x200TRAVEL LIFE1501005027x01xCOVENTIONALLINEARBEARINGSUPERBALL BUSHINGBEARINGSUPER SMARTBALL BUSHINGBEARINGThe Super Smart Ball Bushing bearing provides eight times the travel life of the industry standard ThomsonSuper Ball Bushing bearing and 216 times the travel life of conventional linear bearings.Page 10©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings and Pillow Blocksfor End Supported ApplicationsSuper Smart Ball Bushing* Bearings (Closed Type)Features:• Available in sizes 1 ⁄2 to 1 1 ⁄2 inchdiameters.• Load capacity range from 265 to3,880 lb f .• Available with one, two or withoutintegral double lip wipers.• Can be adjusted to take outdiametrical clearance.• Can be mounted in a customizedhousing.• Travel speeds up to 10 ft/s.• Interchangeable with the industrystandard Thomson Super BallBushing* bearing.Super Smart Ball Bushing Pillow Blocks (Closed and Adjustable Type)Features:• Available in sizes 1 ⁄2 to 1 1 ⁄2 inchdiameters.• Load capacity range from 265 to3,880 lb f .• Available with standard integraldouble acting seals.• Available with or without adjustmentcapability.• Can be adjusted to take outdiametrical clearance.Super Smart Ball Bushing Twin Pillow Blocks(Closed and Adjustable Type) Features:• Available in sizes 1 ⁄2 to 1 1 ⁄2 inchdiameters.• Load capacity range from 530 to7,760 lb f .• Available with standard integraldouble acting seals.• Available with or without adjustmentcapability.• Can be adjusted to take outdiametrical clearance.• Easily mounted and secured withfour mounting bolts.• Travel speeds up to 10 ft/s.• Available with standard lubricationfitting.• Interchangeable with the industrystandard Thomson Super BallBushing Pillow Blocks.• Travel speeds up to 10 ft/s.• Easily mounted and secured withfour mounting bolts.• Available with standard lubricationfitting.• Interchangeable with the industrystandard Thomson Super BallBushing Twin Pillow Block.Super Smart Ball Bushing Flanged Single and Twin Pillow BlocksFeatures:• Available in sizes 1 ⁄2 and 1 1 ⁄2 inchdiameters.• Load capacity range from 265 to7,760 lb f .• Available with standard integraldouble acting seals.• Without adjustment capability.• Can be mounted perpendicular totable surface.• Easily mounted and secured withfour mounting bolts.• Travel speeds up to 10 ft/s.• Available with standard lubricationfitting.• Interchangeable with the industrystandard Thomson Super BallBushing Flanged Single and TwinPillow Block.Page 12©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Shaftingfor End Supported ApplicationsSolid 60 Case* LinearRace* ShaftingFeatures:• Diameter range between 3 ⁄16 and4 inch.• Roundness 80 millionths of an inch.• Case hardness 60 HRC minimum.• Surface finish 12 R a microinch.• Available in corrosion resistant 440Cstainless steel (50 HRC minimum).• Available with PrePlate* chromeoption.• Standard straightness is .001 inchper foot cumulative (.002 TIR) withspecial straightness at .0005 inchper foot cumulative (.001 TIR)available.SSU60 Case Tubular Lite* LinearRace ShaftingFeatures:• Hollow inner diameter reduces • Available with PrePlate chromeweight and inertia.option.• Diameter range between 3 ⁄4 and • Standard straightness is .001 inch4 inch.per foot cumulative (.002 TIR) with• Roundness 80 millionths of an inch. special straightness at .0005 inch• Case hardness 58 HRC minimum. per foot cumulative (.001 TIR)• Surface finish 12 R a microinch.available.60 Case LinearRace SupportsFor End Supported ApplicationsSB 60 Case LinearRace Shafting End Support BlockFeatures:• Size range between 1 ⁄4 and 2 inch.• Protected by corrosion resistant coating.• Easily secured with two mounting bolts. • Light weight, high strength aluminum alloy• Malleable iron alloy for sizes 1 ⁄2 to 2 inch construction for sizes 1 ⁄4 and 3 ⁄8 inch.diameter.ASB Low Profile 60 Case LinearRace Shafting End Support BlockFeatures:• Size range between 1 ⁄4 and 1 1 ⁄2 inch. • Protected by corrosion resistant anodized• Low profile design.coating.• Easily secured with two mounting bolts. • Light weight, high strength aluminum alloyconstruction.FSB Flanged 60 Case LinearRace End Support BlockFeatures:• Available in 1 ⁄2, 3 ⁄4, 1 and 1 1 ⁄4 inch• Designed specifically for use with Superdiameters.Smart Flanged Pillow Blocks• Flanged mounting surface for easy• Protected by corrosion resistant coating.assembly.• Light weight, high strength aluminum alloy• Easily secured with four mounting bolts. construction.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 13* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comPart Number Description and Specification:Super Smart Ball Bushing* Bearings (Closed Type)for End Supported ApplicationsSSU-16-WW-CRTypeSSUDescriptionSuper Smart Ball Bushing bearingsSize81012162024NominalDiameter.500.625.7501.0001.2501.500Option–WWWOption–CRNBDPDescriptionNo WipersOne Integral WiperTwo Integral WipeDescriptionStandardCorrosion ResistantNylon BallsDry PackedSuper Smart Ball Bushing Pillow Blocks (Closed Type)for End Supported ApplicationsSSUPB-16-CRTypeSSUPBSSUPBASSUTWNSSUTWNASSUFBSSUTFBDescriptionSuper Smart Ball BushingPillow BlocksSuper Smart Ball BushingAdjustable Pillow BlocksSuper Smart Ball BushingTwin Pillow BlocksSuper Smart Ball BushingTwin Adjustable Pillow BlocksSuper Smart Ball BushingFlanged Pillow BlocksSuper Smart Ball BushingFlanged Twin Pillow BlocksSize81012162024NominalDiameter.500.625.7501.0001.2501.500Option–CRNBDescriptionStandardCorrosion ResistantNylon BallsPage 14©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Shaft Support Blocksfor End Supported ApplicationsType SB LinearRace Shaft Support BlockH1HA2EAMaterial: Malleable IronN3H2BdType SB 60 Case* LinearRace* Shaft End Support BlocksH H1 H2 A A2 BPart (2)No.Nom.LinearRaceDia.d±.002SB-8 .500 1.00 1.63 .25 2.00 .75SB-10 .625 1.000 1.75 .31 2.50 .88SB-12 .750 1.250 2.13 .31 2.75 1.00SB-16 1.000 1.500 2.56 .38 3.25 1.38SB-20 1.250 1.750 3.00 .44 4.00 1.75SB-24 1.500 2.000 3.50 .50 4.75 2.00.63.69.751.001.131.25(Dimensions in inches)E N3±.0101.5001.8752.0002.5003.0003.500Hole.19.22.22.28.34.34Bolt#8#10#10.25.31.31Masslb.3.4.51.02.02.6SSUType ASB LinearRace Shaft Support BlockH1HEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace Shaft End Support BlocksH H1 A A1 BPart (2)No.ASB-8ASB-12Nom.LinearRaceDia.d.500.7501.000±.001±.001.8751.1251.481.952.002.501.0001.250.63.75ASB-16 1.375 2.48 3.25 1.625 1.00ASB-24 1.500 2.000 3.50 4.75 2.375 1.25E1.502.002.503.50(Dimensions in inches)N3Hole.19.22.28.34Bolt#8#10.25.31Masslb.11.22.441.16Type FSB Flanged LinearRace Support BlockBBACA C FGMaterial: Aluminum AlloyDEJType FSB Flanged 60 Case LinearRace Shaft End Support BlocksA B C D E FPart (2)No.FSB-8FSB-12Nom.LinearRaceDia.d.500 1.63 .81 1.250 .88.750 2.38 1.19 1.750 1.00FSB-16 1.000 2.75 1.38 2.125 1.25FSB-20 1.250 3.13 1.56 2.375 1.38(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 14 and 15. For specifications on seals and retaining rings see the Accessories section.Note: For additional technical data, see Engineering Support Appendix.±.010.50.63.63.751.001.251.501.75(Dimensions in inches)G JHole.18.21.27.27Bolt#8#101⁄41 ⁄4.25.31.31.38Masslb.3.6.8.9Polar GraphsThe actual Dynamic Load Capacity of a BallBushing* bearing is determined by the orientationof the bearing or direction of the applied load.The load Correction Factor K 0 is found by knowingthe direction of the applied load relative to theorientation of the bearings ball tracks and referringto the polar graph. To determine the actualDynamic Load Capacity, multiply the propercorrection factor by the Dynamic Load Capacitylisted in the product table on the previous page.SSU 10SSU 12SSU 16SSU 20SSU 24K 01800SS6U8900,60,70,80,91,0270K o©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 17* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsSuper Smart Ball Bushing Pillow Blocks(Closed and Adjustable Type)for End Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSSUPB End viewA21 ⁄4-28 Accessfor LubricationSSUPB Side viewG1SSUPBA End viewA2 AdjustingScrewSSUPBA Side View1 ⁄4-28 Access G1for LubricationH1HE1AF1FNEBGH1HE1AF1FNEBG60 Case SolidLinearRace60 Case Tubular LiteLinearRaceSuper Smart Ball Bushing* Pillow Blocks (Closed and Adjustable Types, seal at both ends) and LinearRace*(Dimensions in inches)Part Number (2)Super Smart Ball BushingPillow Block60 CaseLinearRace1/2 L5/8 LNominalDiameter.500.625HH160 CaseLinearRaceDiameterd.4995/.4990.6245/.624060 CaseLinearRaceMinimumDepth ofHardness.04.0460 CaseSolidLinearRaceMasslb/in.06.0960 CaseTubular LiteLinearRaceMasslb/in––60 CaseTubular LiteLinearRaceIDD1––Fixed Adjustable±.003SS6UPB-8SSUPB-10SS6UPBA-8SSUPBA-10.687.8751.251.63SSUPB-12 SSUPBA-12 3/4 L .750 .937 1.75 .7495/.7490 .06 .13 .08 .46/.41SSUPB-16 SSUPBA-16 1 L 1.000 1.187 2.19 .9995/.9990 .08 .22 .16 .62/.56SSUPB-20 SSUPBA-20 1 1/4 L 1.250 1.500 2.81 1.2495/1.2490 .08 .35 – –SSUPB-24 SSUPBA-24 1 1/2 L 1.500 1.750 3.25 1.4994/1.4989 .08 .50 .33 .93/.84Part Number (2)A A2 B E E1 F F1 G G1 N NSuper Smart Ball BushingPillowPillow BlockBlockMassFixed Adjustable±.010 ±.010Hole Bolt lbSS6UPB-8 SS6UPBA-8 2.00 1.38 1.69 1.000 1.688 1.13 .25 .69 .72 .16 #6 .23SSUPB-10 SSUPBA-10 2.50 1.75 1.94 1.125 2.125 1.44 .28 .88 .83 .19 #8 .51SSUPB-12 SSUPBA-12 2.75 1.88 2.06 1.250 2.375 1.56 .31 .94 .89 .19 #8 .62SSUPB-16 SSUPBA-16 3.25 2.38 2.81 1.750 2.875 1.94 .38 1.19 1.27 .22 #10 1.24SSUPB-20 SSUPBA-20 4.00 3.00 3.63 2.000 3.500 2.50 .44 1.50 1.68 .22 #10 2.57SSUPB-24 SSUPBA-24 4.75 3.50 4.00 2.500 4.125 2.88 .50 1.75 1.86 .28 .25 3.94Dynamic (1)LoadCapacitylb f2656201130190023503880Load/Life Graph (Lines indicate limiting load for given Ball Bushing *bearing)Load on most heavily loaded bearing (lbf)40001000100501 10 100Required Travel Life (millions of inches)SSUPB-24 & SSUPBA-24SSUPB-20 & SSUPBA-20SSUPB-16 & SSUPBA-16SSUPB-12 & SSUPBA-12SSUPB-10 & SSUPBA-10SS6UPB-8 & SS6UPBA-81000Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 18©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Twin Pillow Blocks(Closed and Adjustable Type)for End Supported ApplicationsSSUTWN End viewA2SSUTWN Side View1 ⁄4-28 Accessfor LubricationG1SSUTWNA End viewA2AdjustingScrew1 ⁄4-28 Accessfor LubricationSSUTWNA Side ViewG1H1HE1AFF1NEBGH1HE1AF1FNEBG60 Case SolidLinearRace60 Case Tubular LiteLinearRaceSuper Smart Ball Bushing* Twin Pillow Blocks (Closed Type, seal at both ends) and 60 Case* LinearRace* Shaft (Dimensions in inches)Part Number (2)Super Smart Ball BushingPillow BlockFixedAdjustable60 CaseLinearRaceNominalDiameterH±.003H160 CaseLinearRaceDiameterd60 CaseLinearRaceMinimumDepth ofHardness60 CaseSolidLinearRaceMasslb/in60 CaseTubular LiteLinearRaceMasslb/in60 CaseTubular LiteLinearRaceIDD1SS6UTWN-8 SS6UTWNA-8 1/2 L .500 .687 1.25 .4995/.4990 .04 .06 – –SSUTWN-10 SSUTWNA-10 5/8 L .625 .875 1.63 .6245/.6240 .04 .09 – –SSUTWN-12 SSUTWNA-12 3/4 L .750 .937 1.75 .7495/.7490 .06 .13 .08 .46/.41SSUTWN-16 SSUTWNA-16 1 L 1.000 1.187 2.19 .9995/.9990 .08 .22 .16 .62/.56SSUTWN-20 SSUTWNA-20 1 1/4 L 1.250 1.500 2.81 1.2495/1.2490 .08 .35 – –SSUTWN-24 SSUTWNA-24 1 1/2 L 1.500 1.750 3.25 1.4994/1.4989 .08 .50 .33 .93/.84Part Number (2)A A2 B E E1 F F1 G G1 N N1DynamicSuper Smart Ball BushingPillow(1)LoadPillow BlockBlockMass CapacityFixedAdjustable±.010 ±.010Hole Bolt lb lb fSS6UTWN-8 SS6UTWNA-8 2.00 1.38 3.50 2.500 1.688 1.13 .25 .59 1.75 .16 #6 .46 530SSUTWN-10 SSUTWNA-10 2.50 1.75 4.00 3.000 2.125 1.44 .28 .85 2.00 .19 #8 1.02 1240SSUTWN-12 SSUTWNA-12 2.75 1.88 4.50 3.500 2.375 1.56 .31 .94 2.25 .19 #8 1.24 2260SSUTWN-16 SSUTWNA-16 3.25 2.38 6.00 4.500 2.875 1.94 .38 1.19 3.00 .22 #10 2.48 3800SSUTWN-20 SSUTWNA-20 4.00 3.00 7.50 5.500 3.500 2.50 .44 1.50 3.75 .22 #10 5.14 4700SSUTWN-24 SSUTWNA-24 4.75 3.50 9.00 6.500 4.125 2.88 .50 1.75 4.50 .28 .25 8.08 7760Load/Life Graph (Lines indicate limiting load for given Ball Bushing* bearing)Load on most heavily loaded bearing (lbf)100001000100SSUTWN-24 & SSUTWNA-24SSUTWN-20 & SSUTWNA-20SSUTWN-16 & SSUTWNA-16SSUTWN-12 & SSUTWNA-12SSUTWN-10 & SSUTWNA-10SS6UTWN-8 & SS6UTWNA-81 10 100 1000Required Travel Life (millions of inches)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 20©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Shaft Support Blocksfor End Supported ApplicationsH1Type SB LinearRace Shaft Support BlockHA2EAMaterial: Malleable IronN3H2BdType SB 60 Case* LinearRace* Shaft End Support Blocks (Dimensions in inches)Nom. H H1 H2 A A2 B E N3LinearRacePart (2) Dia.MassNo. d ±.002±.010 Hole Bolt lbSB-8 .500 1.00 1.63 .25 2.00 .75 .63 1.500 .19 #8 .3SB-10 .625 1.000 1.75 .31 2.50 .88 .69 1.875 .22 #10 .4SB-12 .750 1.250 2.13 .31 2.75 1.00 .75 2.000 .22 #10 .5SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .28 .25 1.0SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .34 .31 2.0SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .34 .31 2.6SSUType ASB LinearRace Shaft Support BlockH1HEAA1Material: Aluminum AlloyBBACN3Type FSB Flanged LinearRace Support BlockA C FGMaterial: Aluminum AlloyBDEJdType ASB 60 Case LinearRace Shaft End Support BlocksH H1 A A1 BNom.LinearRaceDia.dE(Dimensions in inches)N3Part (2)No.±.001±.001Hole BoltMasslbASB-8 .500 .875 1.48 2.00 1.000 .63 1.50 .19 #8 .11ASB-12 .750 1.125 1.95 2.50 1.250 .75 2.00 .22 #10 .22ASB-16 1.000 1.375 2.48 3.25 1.625 1.00 2.50 .28 .25 .44ASB-24 1.500 2.000 3.50 4.75 2.375 1.25 3.50 .34 .31 1.16Type FSB Flanged 60 Case LinearRace Shaft End Support Blocks (Dimensions in inch-Nom. A B C D E F G JLinearRacePart (2) Dia.MassNo. d±.010Hole Bolt lbFSB-8 .500 1.63 .81 1.250 .88 .50 1.00 .18 #8 .25 .3FSB-12 .750 2.38 1.19 1.750 1.00 .63 1.25 .21 #10 .31 .6FSB-16 1.000 2.75 1.38 2.125 1.25 .63 1.50 .27 1 ⁄4 .31 .8FSB-20 1.250 3.13 1.56 2.375 1.38 .75 1.75 .27 1 ⁄4 .38 .9(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by the orientation of the bearing orthe direction of the applied load. For dynamic load correction factors see polar graphs below. Dynamic load capacity is based on two bearings equally loaded.(2)For part number description and specifications see page 14 and 15.Note: For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a BallBushing* bearing is determined by theorientationof the bearing or direction of theapplied load.The load Correction Factor K 0is found by knowing the direction of theapplied load relative to the orientation of thebearings ball tracks and referring to thepolar graph. To determine the actualDynamic Load Capacity, multiply the propercorrection factor by the Dynamic LoadCapacity listed in the product table on theprevious page.SSUTWN 10SSUTWN 12SSUTWN 16SSUTWN 20SSUTWN 24K 01800SS6UTWN8900,60,70,80,91,0270K o©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 21* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsSuper Smart Ball Bushing FlangedSingle and Twin Pillow Blocksfor End Supported ApplicationsBESingle Pillow BlockSLVBEPhone: 1-800-554-8466Website: www.thomsonballbushing.comTwin Pillow BlockSLVB EDB ED60 Case SolidLinearRaceG11 ⁄4-28 Accessfor Lubrication60 Case Tubular LiteLinearRaceG11 ⁄4-28 Accessfor LubricationSuper Smart Ball Bushing* Flanged Pillow Blocks and 60 Case* LinearRace* Shaft(Dimensions in inches)Part Number (2)Super SmartBall BushingFlangedPillow Block60 CaseLinearRaceNom.Dia.BE±.010L D V G1 SHoleDia.60 CaseLinearRaceDiameterdLoad/Life Graph (Lines indicate limiting load for given Ball Bushing* Pillow Block)60 CaseLinearRaceMinimumDepth ofHardness60 CaseSolidLinearRaceMasslb/in60 CaseTubular LightLinearRaceMasslb/in60 CaseTubular LiteLinearRaceIDD1SS6UFB-8 1/2 - L .500 1.63 1.25 1.69 1.25 .25 .72 .19 .4995/.4990 .06 .04 –– –– ..23 265SSUFB-12 3/4 - L .750 2.38 1.750 2.06 1.75 .38 .89 .22 .7495/.7490 .06 .13 .08 .460/.416 .52 1130SSUFB-16 1 - L 1.000 2.75 2.125 2.81 2.25 .50 1.27 .28 .9995/.9990 .08 .22 .16 .629/.569 1.04 1900SSUFB-20 1 1/4 - L 1.250 3.50 2.750 3.63 3.00 .63 1.67 .35 1.2495/1.2490 .08 .35 –– –– –– 2350SSUFB-24 1 1/2 - L 1.500 4.00 3.125 4.00 3.62 .75 1.86 .41 1.4994/1.4989 .08 .50 .33 .93/.84 –– 3880Super Smart Ball Bushing Flanged Twin Pillow Blocks and 60 Case LinearRace ShaftSuper SmartBall BushingFlanged TwinPillow BlockPart Number (2)60 CaseLinearRaceNom.Dia.BE±.010L D V G1 SThread60 CaseLinearRaceDiameterd60 CaseLinearRaceMinimumDepth ofHardness60 CaseSolidLinearRaceMasslb/in60 CaseTubular LightLinearRaceMasslb/inPillowBlockMasslbDyn. (1)LoadCap.lb f(Dimensions in inches)60 CaseTubular LiteLinearRaceIDD1SS6UTFB-8 1/2 - L .500 1.63 1.250 3.20 1.25 .90 1.48 1 ⁄4-20 .4995/.4990 .06 .04 .–– –– –– 530SSUTFB-12 3/4 - L .750 2.38 1.750 3.95 1.75 .90 1.98 1 ⁄4-20 .7495/.7490 .06 .13 .08 .460/.416 1.05 2260SSUTFB-16 1 - L 1.000 2.75 2.125 5.33 2.25 .90 2.67 5 ⁄16-18 .9995/.9990 .08 .22 .16 .629/.569 1.95 3800SSUTFB-20 1 1/4 - L 1.250 3.50 2.750 6.70 3.00 .90 3.35 5 ⁄16-18 1.2495/1.2490 .08 .35 –– –– –– 4700SSUTFB-24 1 1/2 - L 1.500 4.00 3.125 7.50 3.62 1.00 3.75 3 ⁄8-16 1.4994/1.4989 .08 .50 .33 .93/.84 –– 7760PillowBlockMasslbDyn. (1)LoadCap.lb fLoad on most heavily loaded bearing (lbf)100001000100SSUTFB-24SSUTFB-20SSUFB-24SSUTFB-16SSUFB-20SSUTFB-12SSUFB-16SSUFB-12SS6UTFB-8SS6UFB-81 10 100 1000Required Travel Life (millions of inches)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 22©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Shaft Support Blocksfor End Supported ApplicationsType SB LinearRace Shaft Support BlockA2H1HN3dType SB 60 Case* LinearRace* Shaft End Support Blocks (Dimensions in inches)Nom. H H1 H2 A A2 B E N3LinearRacePart (2) Dia.MassNo. d ±.002±.010 Hole Bolt lbSB-8 .500 1.00 1.63 .25 2.00 .75 .63 1.500 .19 #8 .3SB-12 .750 1.250 2.13 .31 2.75 1.00 .75 2.000 .22 #10 .5SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .28 .25 1.0SSUEAMaterial: Malleable IronH2BType ASB LinearRace Shaft Support BlockH1HEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace Shaft End Support BlocksH H1 A A1 BNom.LinearRaceDia.d(Dimensions in inches)E N3Part (2)MassNo.±.001±.001Hole Bolt lbASB-8 .500 .875 1.48 2.00 1.000 .63 1.50 .19 #8 .11ASB-12 .750 1.125 1.95 2.50 1.250 .75 2.00 .22 #10 .22ASB-16 1.000 1.375 2.48 3.25 1.625 1.00 2.50 .28 .25 .44Type FSB Flanged LinearRace Support BlockBBACA C FGMaterial: Aluminum AlloyDEJType FSB Flanged 60 Case LinearRace Shaft End Support BlocksA B C D E FPart (2)No.Nom.LinearRaceDia.dFSB-8 .500 1.63 .81 1.250 .88FSB-12 .750 2.38 1.19 1.750 1.00FSB-16 1.000 2.75 1.38 2.125 1.25FSB-20 1.250 3.13 1.56 2.375 1.38(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below. Dynamic loadcapacity of Twin Super Smart Flanged Pillow blocks is based on two bearings equally loaded.(2)For part number description and specifications see page 14 & 15.Note: For additional technical data, see the Engineering Support Appendix.±.010.50.63.63.751.001.251.501.75(Dimensions in inches)G JHole.18.21.27.27Bolt#8#101⁄41 ⁄4.25.31.31.38Masslb.3.6.8.9Polar GraphsThe actual Dynamic Load Capacity of a BallBushing* bearing is determined by the orientationof the bearing or direction of the applied load.The load Correction Factor K 0 is found by knowingthe direction of the applied load relative to theorientation of the bearings ball tracks and referringto the polar graph. To determine the actualDynamic Load Capacity, multiply the propercorrection factor by the Dynamic Load Capacitylisted in the product table on the previous page.SSUFB-12SSUFB-16SSUFB-20SSUFB-24SSUTFB-12SSUTFB-16SSUTFB-20SSUTFB-24K O1800SS6UFB-8SS6UTFB-8900,60,70,80,91,0270K O©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 23* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings and Pillow Blocks(Open Type)for Continuously Supported ApplicationsSuper Smart Ball Bushing* Bearing (Open Type)Features:• Available in sizes 1 ⁄2 to 1 1 ⁄2 inch diameter.• Load capacity range from 360 to 3,880 lb f .• Pull off load capacity range from 250 to 1,750 lb f .• Available with one, two or without double lip integral wipers.• Can be adjusted to take out diametrical clearance.• Can be mounted in a customized open style pillow block.• Travel speeds up to 10 ft/s.• Interchangeable with the industry standard Thomson Super BallBushing* bearing (open type).Super Smart Ball Bushing Pillow Blocks (Open Type)Features:• Available in sizes 1 ⁄2 to 1 1 ⁄2 inch diameter.• Load Capacity range from 360 to 3,880 lb f .• Pull off load capacity range from 250 to 1,750 lb f .• Available with standard double acting integral seals.• Can be adjusted to take out diametrical clearance.• Easily mounted and secured with four mounting bolts.• Travel speeds up to 10 ft/s.• Available with standard lubrication access.• Interchangeable with the industry standard Thomson Super BallBushing Pillow Block (Open Type).Super Smart Ball Bushing Twin Pillow Blocks (Open Type)Features:• Available in sizes 1 ⁄2 to 1 1 ⁄2 inch diameter.• Load Capacity range from 720 to 7,760 lb f .• Pull off load capacity range from 500 to 3,500 lb f .• Available with standard double acting integral seals.• Can be adjusted to take out diametrical clearance.• Easily mounted and secured with four mounting bolts.• Travel speeds up to 10 ft/s.• Available with standard lubrication access.• Interchangeable with the industry standard Thomson Super BallBushing Twin Pillow Block (Open Type).Page 24©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Shafting (PreDrilled)for Continuously Supported ApplicationsSolid 60 Case* LinearRace* shafting with Mounting Holes Features:• Radial drilled and tapped holes ready • Available in corrosion resistant 440Cfor immediate use with standard hole stainless steel (50 HRC min).spacing to match standard 60 Case • Available with Preplate chrome option.LinearRace support rails.• Standard straightness .001 inch per• Diameter range between 1 ⁄2 and foot cumulative (.002 TIR) with4 inch.special straightness at .0005 inch• Surface finish 12 R a microinch.per foot cumulative (.001 TIR)• Hardness 60 HRC minimum.available.• Roundness 80 millionths of an inch.SSU60 Case Tubular Lite LinearRace shafting with Mounting Holes Features:• Hollow design reduces weight and • Roundness 80 millionths of an inch.inertia.• Case hardness 58 HRC minimum.• Radial drilled and tapped holes ready • Surface finish 12 R a microinch.for immediate use.• Available with Preplate chrome option.• Standard hole spacing to match • Standard straightness .001 inch perstandard 60 Case LinearRacefoot cumulative (.002 TIR) withsupport rails.special straightness at .0005 inch• Diameter range between 1 1 ⁄2 and per foot cumulative (.001 TIR)4 inch.available.60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsLSR Low Profile 60 Case LinearRace Support RailFeatures:• Diameter range between 1 ⁄2 and 4 inch. • Low Profile design.• Available with standard mounting holes for • Unlimited travel lengths.immediate use.• Available without mounting holes forcustom hole spacing.SR 60 Case LinearRace Support RailSRA 60 Case LinearRace Support Rail AssemblyFeatures:• Diameter range between 1 ⁄2 and 2 inch.• Available with standard mounting holes forimmediate use.• Available without mounting holes forcustomized hole spacing.• Available as a pre-engineered,ready to install assembly.• Light weight, high strength aluminumalloy rail.• Unlimited travel lengths.LSRA Smart Rail* Assembly Features:• Diameter range between 5 /8 and 1 1 /2 inch.• Bolt-down-from-the-top mounting.• Two mounting hole patterns.• Single piece lengths up to 15 feet long.• Low profile design.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 25* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comPart Number Description and Specification:Super Smart Ball Bushing* Bearings (Open type)for Continuously Supported ApplicationsSSU-16-OPN-WW-CRTypeSSUDescriptionSuper SmartBall Bushing BearingSize81012162024NominalDiameter.500.625.7501.0001.2501.500TypeOPNOption–WWWOption–CRNBDescriptionNo WipersOne Integral WiperTwo Integral WipersDescriptionOpen for continuously supportedapplicationsDescriptionStandardCorrosion ResistantNylon BallsSuper Smart Ball Bushing Pillow Blocks (Open type)for Continuously Supported ApplicationsSSUPBO-16-CRTypeSSUPBOSSUTWNOSSURPBODescriptionSuper Smart Ball BushingPillow Blocks (Open Type)Super Smart Ball BushingTwin Pillow Blocks (Open Type)Super Smart Ball Bushing RigidSteel Pillow Blocks (Open Type)Size81012162024NominalDiameter.500.625.7501.0001.2501.500Option–CRNBDescriptionStandardCorrosion ResistantNylon BallsPage 26©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing BearingsPart Number Description and Specification:60 Case* LinearRace* Shafting (PreDrilled)for Continuously Supported ApplicationsSize81012162024NominalDiameter.500.625.7501.0001.2501.500TypePD1 L - PD - SS - CTLClassLDescriptionPreDrilledOption–SSTUCPTypePDRLSMDescriptionCut to LengthRandom LengthSpecial MachinedDescriptionStandard Carbon Steel440 C Stainless SteelTubular LitePreplate ChromeSSU60 Case LinearRace ShaftsPart Number Part Number Part Number60 CaseSolidLinearRace60 CaseLinearRaceDiameterClass LMax.Lengthin.StainlessSteel60 CaseLinearRaceMax.Lengthin.60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsChromePlated60 CaseLinearRace1/2 L PD .4995/.4990 168 –– –– 1/2 L PDCPPE 1685/8 L PD .6245/.6240 178 5/8 L PD SS 178 1/2 L PDCPPE 1783/4 L PD .7495/.7490 178 3/4 L PD SS 178 1/2 L PDCPPE 1781 L PD .9995/.9990 178 1 L PD SS 178 1/2 L PDCPPE 1781 1/4 L PD 1.2495/1.2490 178 1 1/4 L PD SS 178 1/2 L PDCPPE 1781 1/2 L PD 1.4994/1.4989 178 1 1/2 L PD SS 178 1/2 L PDCPPE 178Max.Lengthin.TypeLSRSRDescriptionLow Profile 60 CaseLinearRace Support Rail60 Case LinearRace Support RailSR-16-PD x LengthSRA-16-SS x LengthType–PDDescriptionw/o PreDrilled holeswith PreDrilled holesTypeSRALSRADescription60 Case LinearRaceSupport Rail AssemblySmart Rail* AssemblySize81012162024Nom.Dia..500.625.7501.0001.2501.500Type–SSTUCPDescriptionStandard AssemblyWith Stainless Steel60 Case LinearRaceWith Tubular Lite60 Case LinearRaceWith PrePlate Chrome60 Case LinearRace©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 27* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsSuper Smart Ball Bushing Bearings(Open Type) for Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSSU-8-OPNSSU-8SSU-12-OPN thruSSU-24-OPNSSU-16C2C1N1THOMSONOPNTHOMSONOPNDdTEUSARoll PinTEUSARoll PinFGCXYSSU-10-OPNC2C1SSU-16THOMSONOPN15…DEUSARoll PinFGCSuper Smart Ball Bushing* Bearings (Open Type) and 60 Case* LinearRace* ShaftingPart Number (3)Retention HoleMin.Without With one With twoSlotAngleIntegral IntegralIntegral 60 Case Nom. LengthC2 Width Dia. Loc. degWipers WiperWipers LinearRace Dia. C C1 min. E F G SSU-8-OPN SSU-8-OPN-W SSU-8-OPN-WW 1/2 L PD .500 1.25/1.23 1.032/1.012 .050 .31 .13 .62 40SSU-10-OPNSSU-12-OPNSSU-16-OPNSSU-20-OPNSSU-24-OPNSSU-10-OPN-WSSU-12-OPN-WSSU-16-OPN-WSSU-20-OPN-WSSU-24-OPN-WSSU-10-OPN-WWSSU-12-OPN-WWSSU-16-OPN-WWSSU-20-OPN-WWSSU-24-OPN-WW5/8 L PD3/4 L PD1 L PD1 1/4 L PD1 1/2 L PD.625.7501.0001.2501.5001.500/1.480 1.125/1.0951.625/1.605 1.285/1.2552.250/2.230 1.901/1.8712.625/2.600 2.031/1.9913.000/2.970 2.442/2.402.055.055.068.068.086.34.41.53.62.74.11.14.14.20.20.13.13.13.19.193030303030NumberofBallCircuits688888BallBushingBearingMasslb.07.09.13.24.43.8060 CaseLinearRaceMinimumDepth ofHardness.04.04.06.08.08.08(Dimensions in inches)60 CaseSolidLinearRaceMasslb/in.06.09.13.22.35.5060 CaseLinearRaceMounting HolesX446668Y223334N16-328-3210-321 ⁄4-205 ⁄16-183 ⁄8-16WithoutIntegralWipersSSU-8-OPNSSU-10-OPNSSU-12-OPNSSU-16-OPNSSU-20-OPNSSU-24-OPNPart Number (3)With oneIntegralWiperSSU-8-OPN-WSSU-10-OPN-WSSU-12-OPN-WSSU-16-OPN-WSSU-20-OPN-WSSU-24-OPN-WWith twoIntegralWipersSSU-8-OPN-WWSSU-10-OPN-WWSSU-12-OPN-WWSSU-16-OPN-WWSSU-20-OPN-WWSSU-24-OPN-WWWorkingBoreDiameterT.5000/.4995.6250/.6245.7500/.74951.0000/.99951.2500/1.24941.5000/1.4994Load/Life Graph (Lines indicate limiting load for given Ball Bushing* bearing)Recommended Housing Bore Dia.60 CaseBall Bushing Bearing/LinearRace Fit Up ‡LinearRaceAdjustableFixed Adjustable Diameter Fixed Diameter Diameter HousingDDdHousing (Before Adjustment).8755/.87501.1255/1.12501.2505/1.25001.5630/1.56252.0008/2.00002.3760/2.3750.8760/.87501.1260/1.12501.2510/1.25001.5635/1.56252.0010/2.00002.3760/2.3750.4995/.4990.6245/.6240.7495/.7490.9995/.99901.2495/1.24901.4994/1.4989.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000.0018C/.0001P.0021C/.0000.002C/.0000.002C/.0000.002C/.0000.002C/.0000.002C/.0001P.0021C/.0000‡ P= Preload, C= ClearanceDynamic (††)LoadCapacitylb f3606201130190023503880Load on most heavily loaded bearing (lbf)40001000100501 10 100 1000Required Travel Life (millions of inches)SSU-24-OPN (-W/-WW)SSU-20-OPN (-W/-WW)SSU-16-OPN (-W/-WW)SSU-12-OPN (-W/-WW)SSU-10-OPN (-W/-WW)SSU-8-OPN (-W/-WW)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 28©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1AMLSR-PD with PreDrilled mounting holes.Y X N248 in. Standard Length20ºTYP12ºTYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace* Support Rails (Dimensions in inches)LSR LSR-PD Nominal H H1 A M N2 N1 X YStandard Standard LinearRaceLSRWithout w/PreDrilled DiameterMassHoles Holes d ±.002Hole Boltlb/ftLSR-8 LSR-8-PD .500 .562 .34 .37 25 .17 #6-32 4 2 .32LSR-10 LSR-10-PD .625 .687 .41 .45 .31 .19 #8-32 4 2 .49LSR-12 LSR-12-PD .750 .750 .42 .51 .38 .22 #10-32 6 3 .59LSR-16 LSR-16-PD 1.000 1.000 .56 .69 50 .281 ⁄4-20 6 3 1.01LSR-20 LSR-20-PD 1.250 1.187 .63 .78 .56 .345 ⁄16-18 6 3 1.27LSR-24 LSR-24-PD 1.500 1.375 .70 .93 .69 .413 ⁄8-16 8 4 1.68SMT23SSUType LSRA 60 CaseSmart Rail AssembliesHMA1AMaterial: Steel AlloyLonger lengths are availableXN1YType LSRA Smart Rail* Assemblies(Dimensions in inches)Part Number (3) H A A1 Y Mounting HolesSmart Rail Smart Rail LinearRaceAssembly (1) Assembly (2) Diameter +/– 0.002 Std. X1 X2 (4) N1LSRA10 LSRA10 CR 0.625 0.687 0.45 0.225 1.0 2 3 #5LSRA12 LSRA12 CR 0.750 0.750 0.51 0.255 1.5 3 4 #6LSRA16 LSRA16 CR 1.000 1.000 0.69 0.345 1.5 3 4 #10LSRA20 LSRA20 CR 1.250 1.187 0.78 0.390 1.5 3 6 5/16LSRA24 LSRA24 CR 1.500 1.375 0.93 0.465 2.0 4 8 3/8(1) = Consists of steel rail and high carbon steel LinearRace (HRC 60–65). (2) = Consists of zinc plated steel rail and 440C St. St’l. LinearRace (HRC 50–55).(3) = Specify length of assembly and mounting hole spacing (X1 or X2) when ordering. For example, LSRA12 CR X1 x 24.00 inches. (4) = Made to order.20ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are available(††)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(†)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 27.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 26 and 27.Polar GraphType SR/ SR-PD LinearRace Support Rails and Assemblies (Dimensions in inches)SR-PD Assembly Nom. H H1 A A1 E M N3 LinearRace X YSR With With Solid LinearRaceMountingSRWithout PreDrilled 60 Case Dia.BoltMassHoles Holes LinearRace d ±.002±.002Hole Bolt N1lb/ftSR-8 SR-8-PD SRA-8 .50 1.125 .19 1.50 .750 1.00 .25 .17 #6 #6-32 x .88 4 2 .60SR-10 SR-10-PD SRA-10 .625 1.125 .25 1.63 .813 1.13 .31 .19 #8 #8-32 x .88 4 2 .80SR-12 SR-12-PD SRA-12 .750 1.500 .25 1.75 .875 1.25 .38 .22 #10 #10-32 x 1.25 6 3 1.00SR-16 SR-16-PD SRA-16 1.000 1.750 .25 2.13 1.063 1.50 .50 .281 ⁄41 ⁄4-20 x 1.5 6 3 1.40SR-20 SR-20-PD SRA-20 1.250 2.125 .31 2.50 1.250 1.88 56 .34 5 ⁄16 5 ⁄16-18 x 1.75 6 3 2.10SR-24 SR-24-PD SRA-24 1.500 2.500 .38 3.00 1.500 2.25 .69 .34 5 ⁄16 3 ⁄8-16 x 2.00 8 4 2.60StandardWithoutHolesStandardWithPredrilledHolesAssemblyWith Solid60 CaseLinearRaceStandardSingle PieceLength (†)inMaximumSingle PieceLength (†)inLSR LSR-PD – 48 96LSRA – 180SR SR-PD SRA 24 72The actual Dynamic Load Capacity of a BallBushing* bearing is determined by the orientationof the bearing or direction of the applied load.The load Correction Factor K 0 is found by knowingthe direction of the applied load relative to theorientation of the bearings ball tracks and referring tothe polar graph. To determine the actual DynamicLoad Capacity, multiply the proper correction factorby the Dynamic Load Capacity listed in the producttable on the previous page.901800SSU8OPN1,51,31,10,90,70,50,50,70,91,11,31,5270©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.K OSSU10OPNSSU12OPNSSU16OPNSSU20OPNSSU24OPNK OPage 29* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Pillow Blocks(Open Type) for Continuously Supported ApplicationsSSUPBO End viewSSUPBO Side viewAE1F1BEHH1GNN1dA1E2A2AdjustingScrewAccess forLubricationand RetentionG1XYSuper Smart Ball Bushing* Pillow Blocks (Open Type) and 60 Case* LinearRace*(Dimensions in inches)Part Number (3)H H160 Case 60 Case60 Case60 Case LinearRace SolidLinearRaceSuper SmartLinearRace Minimum LinearRace Mounting HolesBall Bushing 60 Case NominalDiameter Depth of MassPillow Block LinearRace Diameter ±.003dHardness lb/in X Y N1SSUPBO-8 1/2 L PD .500 .687 1.13 .4995/.4990 .04 .06 4 2 6-328-32SSUPBO-10SSUPBO-12SSUPBO-16SSUPBO-20SSUPBO-245/8 L PD3/4 L PD1 L PD1 1/4 L PD1 1/2 L PD.625 .875 1.44 .6245/.6240 .04 .09 4 2.750 .937 1.56 .7495/.7490 .06 .13 6 31.000 1.187 2.00 .9995/.9990 .08 .22 6 31.250 1.500 2.56 1.2495/1.2490 .08 .35 6 31.500 1.750 2.94 1.4994/1.4989 .08 .50 8 410-321 ⁄4-205 ⁄16-183 ⁄8-16Part Number (3)A A1 A2 B E E1 E2 F1 G G1 N N1 Pillow Dynamic (††)Super SmartBlock LoadBall BushingMass CapacityPillow Block ±.010 ±.010 min.Hole Bolt lb lb fSSUPBO-8 2.00 .69 .75 1.50 1.000 1.688 .31 .25 .69 .69 .16 #6 .23 360SSUPBO-10 2.50 .88 .94 1.75 1.125 2.125 .34 .28 .88 .88 .19 #8 .41 620SSUPBO-12 2.75 .94 1.00 1.88 1.250 2.375 .41 .31 .94 .94 .19 #8 .51 1130SSUPBO-16 3.25 1.19 1.25 2.63 1.750 2.875 .53 .38 1.19 1.32 .22 #10 1.03 1900SSUPBO-20 4.00 1.50 1.63 3.38 2.000 3.500 .62 .44 1.50 1.69 .22 #10 2.15 2350SSUPBO-24 4.75 1.75 1.88 3.75 2.500 4.125 .74 .50 1.75 1.88 .28 .25 3.29 3880Load/Life Graph (Lines indicate limiting load for given Ball Bushing Pillow Block)Load on most heavily loaded bearing (lbf)40001000100501 10 100 1000Required Travel Life (millions of inches)SSUPBO-24SSUPBO-20SSUPBO-16SSUPBO-12SSUPBO-10SSUPBO-8Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 30©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1AMLSR-PD with PreDrilled mounting holes.Y X N248 in. Standard Length20ºTYP12ºTYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace* Support Rails (Dimensions in inches)LSR LSR-PD Nominal H H1 A M N2 N1 X YStandard Standard LinearRaceLSRWithout w/PreDrilled DiameterMassHoles Holes d ±.002Hole Boltlb/ftLSR-8 LSR-8-PD .500 .562 .34 .37 .25 .17 #6-32 4 2 .32LSR-10 LSR-10-PD .625 .687 .41 .45 .31 .19 #8-32 4 2 .49LSR-12 LSR-12-PD .750 .750 .42 .51 .38 .22 #10-32 6 3 .59LSR-16 LSR-16-PD 1.000 1.000 .56 .69 50 .281 ⁄4-20 6 3 1.01LSR-20 LSR-20-PD 1.250 1.187 .63 .78 .56 .345 ⁄16-18 6 3 1.27LSR-24 LSR-24-PD 1.500 1.375 .70 .93 .69 .413 ⁄8-16 8 4 1.68SSUType LSRA 60 CaseSmart Rail AssembliesMHA1AMaterial: Steel AlloyLonger lengths are availableXN1YType LSRA Smart Rail* Assemblies(Dimensions in inches)Part Number (3) H A A1 Y Mounting HolesSmart Rail Smart Rail LinearRaceAssembly (1) Assembly (2) Diameter +/– 0.002 Std. X1 X2 (4) N1LSRA10 LSRA10 CR 0.625 0.687 0.45 0.225 1.0 2 3 #5LSRA12 LSRA12 CR 0.750 0.750 0.51 0.255 1.5 3 4 #6LSRA16 LSRA16 CR 1.000 1.000 0.69 0.345 1.5 3 4 #10LSRA20 LSRA20 CR 1.250 1.187 0.78 0.390 1.5 3 6 5/16LSRA24 LSRA24 CR 1.500 1.375 0.93 0.465 2.0 4 8 3/8(1) = Consists of steel rail and high carbon steel LinearRace (HRC 60–65). (2) = Consists of zinc plated steel rail and 440C St. St’l. LinearRace (HRC 50–55).(3) = Specify length of assembly and mounting hole spacing (X1 or X2) when ordering. For example, LSRA12 CR X1 x 24.00 inches. (4) = Made to order.20ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are available(††)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(†)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 27.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 26 and 27.Polar GraphType SR/ SR-PD LinearRace Support Rails and Assemblies (Dimensions in inches)SR-PD Assembly Nom. H H1 A A1 E M N N3 LinearRace X YSR With With Solid LinearRaceMountingSRWithout PreDrilled 60 Case Dia.BoltMassHoles Holes LinearRace d ±.002±.002Hole Bolt N1lb/ftSR-8 SR-8-PD SRA-8 .50 1.125 .19 1.50 .750 1.00 25 .17 #6 #6-32 x .88 4 2 .60SR-10 SR-10-PD SRA-10 .625 1.125 .25 1.63 .813 1.13 .31 .19 #8 #8-32 x .88 4 2 .80SR-12 SR-12-PD SRA-12 .750 1.500 .25 1.75 .875 1.25 .38 .22 #10 #10-32 x 1.25 6 3 1.00SR-16 SR-16-PD SRA-16 1.000 1.750 .25 2.13 1.063 1.50 .50 .281 ⁄41 ⁄4-20 x 1.50 6 3 1.40SR-20 SR-20-PD SRA-20 1.250 2.125 .31 2.50 1.250 1.88 56 .34 5 ⁄16 5 ⁄16-18 x 1.75 6 3 2.10SR-24 SR-24-PD SRA-24 1.500 2.500 .38 3.00 1.500 2.25 .69 .34 5 ⁄16 3 ⁄8-16 x 2.00 8 4 2.60StandardWithoutHolesStandardWithPredrilledHolesAssemblyWith Solid60 CaseLinearRaceStandardSingle PieceLength (†)inMaximumSingle PieceLength (†)inLSR LSR-PD – 48 96LSRA – 180SR SR-PD SRA 24 72The actual Dynamic Load Capacity of a Ball Bushingbearing is determined by the orientation of the bearingor direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of theapplied load relative to the orientation of the bearingsball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the propercorrection factor by the Dynamic Load Capacity listed inthe product table on the previous page. When usingLSRA Smart Rail* assemblies, the dynamic loadcapacity for side loaded or pull off applications mustbe de-rated by 75% or .25 times the Dynamic LoadCapacity.901800SSUPBO-81,51,31,10,90,70,50,50,70,91,11,31,5270©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.K OSSUPBO-10SSUPBO-12SSUPBO-16SSUPBO-20SSUPBO-24K OPage 31* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsSuper Smart Ball Bushing Twin Pillow Blocks(Open Type)for Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSSUTWNO End viewSSUTWNO Side viewAE1F1BEHH1GNN1dE2AdjustingScrewG1X1 ⁄4-28 Accessfor LubricationYA1A2Super Smart Ball Bushing* Twin Pillow Blocks (Open Type, seal at both ends) and 60 Case* LinearRace*(Dimensions in inches)Super SmartBall BushingPillow BlockPart Number60 CaseLinearRaceNominalDiameterH±.003H160 CaseLinearRaceDiameterd60 CaseLinearRaceMinimumDepth ofHardness60 CaseSolidLinearRaceMasslb/in60 CaseLinearRaceMounting HolesX Y N1SSUTWNO-8 1/2 L PD .500 .687 1.13 .4995/.4990 .04 .06 4 2 6-32SSUTWNO-10SSUTWNO-12SSUTWNO-16SSUTWNO-205/8 L PD3/4 L PD1 L PD1 1/4 L PD.625.7501.0001.250.875.9371.1871.5001.441.562.002.56.6245/.6240.7495/.7490.9995/.99901.2495/1.2490.04.06.08.08.09.13.22.35466623338-3210-32⁄4-20⁄16-18SSUTWNO-24 1 1/2 L PD 1.500 1.750 2.94 1.4994/1.4989 .08 .50 8 43 ⁄8-16Part NumberA A1 A2 B E E1 E2 F1 G G1 N Pillow DynamicSuper SmartBlock LoadBall BushingMass Capacity ††Pillow Block±.010 ±.010 min.Hole Bolt lb lb fSSUTWNO-8 2.00 .69 .75 3.50 2.500 1.688 .31 .25 .56 1.75 .16 #6 .46 720SSUTWNO-10 2.50 .88 .94 4.00 3.000 2.125 .34 .28 .67 2.00 .19 #8 .82 1240SSUTWNO-12 2.75 .94 1.00 4.50 3.500 2.375 .41 .31 .94 2.25 .19 #8 1.02 2260SSUTWNO-16 3.25 1.19 1.25 6.00 4.500 2.875 .53 .38 1.20 3.00 .22 #10 2.06 3800SSUTWNO-20 4.00 1.50 1.63 7.50 5.500 3.500 .62 .44 1.50 3.75 .22 #10 4.30 4700SSUTWNO-24 4.75 1.75 1.88 9.00 6.500 4.125 .74 .50 1.75 4.50 .28 .25 6.88 7760Load/Life Graph (Lines indicate limiting load for given Ball Bushing Pillow Block)Load on most heavily loaded bearing (lbf)1000010001001 10 100 1000Required Travel Life (millions of inches)SSUTWNO-24SSUTWNO-20SSUTWNO-16SSUTWNO-12SSUTWNO-10SSUTWNO-8Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 32©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1AMLSR-PD with PreDrilled mounting holes.Y X N248 in. Standard Length20ºTYP12ºTYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case LinearRace Support Rails (Dimensions in inches)LSR LSR-PD Nominal H H1 A M N2 N1 X YStandard Standard LinearRaceLSRWithout w/PreDrilled DiameterMassHoles Holes d ±.002Hole Boltlb/ftLSR-8 LSR-8-PD .500 .562 .34 .37 .25 .17 #6-32 4 2 .32LSR-10 LSR-10-PD .625 .687 .41 .45 .31 .19 #8-32 4 2 .49LSR-12 LSR-12-PD .750 .750 .42 .51 .38 .22 #10-32 6 3 .59LSR-16 LSR-16-PD 1.000 1.000 .56 .69 50 .281 ⁄4-20 6 3 1.01LSR-20 LSR-20-PD 1.250 1.187 .63 .78 .56 .345 ⁄16-18 6 3 1.27LSR-24 LSR-24-PD 1.500 1.375 .70 .93 .69 .413 ⁄8-16 8 4 1.68SSUType LSRA 60 CaseSmart Rail AssembliesMHA1AMaterial: Steel AlloyLonger lengths are availableXN1YType LSRA Smart Rail* Assemblies(Dimensions in inches)Part Number (3) H A A1 Y Mounting HolesSmart Rail Smart Rail LinearRaceAssembly (1) Assembly (2) Diameter +/– 0.002 Std. X1 X2 (4) N1LSRA10 LSRA10 CR 0.625 0.687 0.45 0.225 1.0 2 3 #5LSRA12 LSRA12 CR 0.750 0.750 0.51 0.255 1.5 3 4 #6LSRA16 LSRA16 CR 1.000 1.000 0.69 0.345 1.5 3 4 #10LSRA20 LSRA20 CR 1.250 1.187 0.78 0.390 1.5 3 6 5/16LSRA24 LSRA24 CR 1.500 1.375 0.93 0.465 2.0 4 8 3/8(1) = Consists of steel rail and high carbon steel LinearRace (HRC 60–65). (2) = Consists of zinc plated steel rail and 440C St. St’l. LinearRace (HRC 50–55).(3) = Specify length of assembly and mounting hole spacing (X1 or X2) when ordering. For example, LSRA12 CR X1 x 24.00 inches. (4) = Made to order.20ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are available(††)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(†)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 2760 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.For part number description and specifications see page 26 and 27.Polar GraphType SR/ SR-PD LinearRace Support Rails and Assemblies (Dimensions in inches)SR-PD Assembly Nom. H H1 A A1 E M NN13LinearRace X YSR With With Solid LinearRaceMountingSRWithout PreDrilled 60 Case Dia.BoltMassHoles Holes LinearRace d ±.002±.002Hole Bolt N1lb/ftSR-8 SR-8-PD SRA-8 .50 1.125 .19 1.50 .750 1.00 .25 .17 #6 #6-32 x .88 4 2 .60SR-10 SR-10-PD SRA-10 .625 1.125 .25 1.63 .813 1.13 .31 .19 #8 #8-32 x .88 4 2 .80SR-12 SR-12-PD SRA-12 .750 1.500 .25 1.75 .875 1.25 .38 .22 #10 #10-32 x 1.25 6 3 1.00SR-16 SR-16-PD SRA-16 1.000 1.750 .25 2.13 1.063 1.50 .50 .281 ⁄41 ⁄4-20 x 1.50 6 3 1.40SR-20 SR-20-PD SRA-20 1.250 2.125 .31 2.50 1.250 1.88 56 .34 5 ⁄16 5 ⁄16-18 x 1.75 6 3 2.10SR-24 SR-24-PD SRA-24 1.500 2.500 .38 3.00 1.500 2.25 .69 .34 5 ⁄16 3 ⁄8-16 x 2.00 8 4 2.60StandardWithoutHolesStandardWithPredrilledHolesAssemblyWith Solid60 CaseLinearRaceStandardSingle PieceLength (†)inMaximumSingle PieceLength (†)inLSR LSR-PD – 48 96LSRA – 180SR SR-PD SRA 24 72The actual Dynamic Load Capacity of a Ball Bushingbearing is determined by the orientation of the bearingor direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of theapplied load relative to the orientation of the bearingsball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the propercorrection factor by the Dynamic Load Capacity listed inthe product table on the previous page. When usingLSRA Smart Rail* assemblies, the dynamic loadcapacity for side loaded or pull off applications mustbe de-rated by 75% or .25 times the Dynamic LoadCapacity.901800SSUTWNO-81,51,31,10,90,70,50,50,70,91,11,31,5270©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.K OSSUTWNO-10SSUTWNO-12SSUTWNO-16SSUTWNO-20SSUTWNO-24K OPage 33* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball BushingRigid Steel Pillow Blocks(Open Type) for Continuously Supported ApplicationsRigid steel housing and high performanceSuper Smart Ball Bushing* bearing combine toreduce deflection and cost up to 66%.End viewSide viewHH1AE1E230ºF1Retention PinCBENXN1YdA1A2Super Smart Ball Bushing bearing Rigid Steel Pillow Blocks (Open Type, seal at both ends) and 60 Case* LinearRace* shaftPart Number60 Case 60 CaseSuper SmartH H1 A A1 A2 B LinearRace SolidBall Bushingshaft LinearRace60 CaseMinimum shaftRigid Steel LinearRace NominalDepth of MassPillow Block shaft Diameter ±.003Hardness lb/inSSURPB012SSURPB016SSURPB0243/4 L PD1 L PD1 1/2 L PD.7501.0001.500.9371.1871.7501.562.002.942.753.254.75.941.191.751.001.251.881.882.633.75.06.08.08.13.22.50(Dimensions in inches)60 CaseLinearRace shaftMounting HolesX668Y334N1#10-321 ⁄4-203 ⁄8-16Part NumberSuper SmartBall BushingbearingRigid SteelPillow BlockSSURPB012SSURPB016SSURPB02460 CaseLinearRace shaftDiameterd.7495/.7490.9995/.99901.4994/1.4989E±.0101.2501.7502.500C±.0100.6250.8751.250E1±.0102.3752.8754.125E2Min..43.56.81F1.31.38.50Hole.19.22.28NBolt#8#10.25PillowBlockMasslb1.102.307.00Dynamic (††)LoadCapacitylb f113019003880Super Smart Ball Bushing Rigid Steel Pillow Blocks provide:■ Faster settling time. . . Greater Productivity■ Less deflection ... Greater Accuracy■ Highest load capacity ... Smallest envelope■ Longest bearing life ... Greater reliabilityPage 34©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Smart Ball Bushing Bearings60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace* Support RailsHdH1AM20ºTYP12ºTYPLSR-PD with PreDrilled mounting holes.Y X N2BaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace* Support Rails (Dimensions in inches)NominalLSR LSR-PDH H1 A M N2 N1 X YLinearRaceStandard Standard shaftLSRWithout w/Pre-Drilled DiameterMassHoles Holes d ±.002Hole Boltlb/ftLSR-12 LSR-12-PD .750 .750 .42 .51 .38LSR-16 LSR-16-PD 1.000 1.000 .56 .69 50LSR-24 LSR-24-PD 1.500 1.375 .70 .93 .69.22.28.41#10-321 ⁄4-203 ⁄8-16668334.591.011.68SSU48 in. Standard LengthMaterial: Steel AlloyLonger lengths are availableType LSRA 60 CaseSmart Rail AssembliesMHA1AMaterial: Steel AlloyLonger lengths are availableN1Type LSRA Smart Rail* Guides(Dimensions in inches)Part Number (3) LinearRace* H A A1 Y Mounting HolesSmart Rail Smart Rail shaftAssembly (1) Assembly (2) Diameter +/– 0.002 Std. X1 X2 (4) N1LSRA12 LSRA12 CR 0.750 0.750 0.51 0.255 1.5 3 4 #6LSRA16 LSRA16 CR 1.000 1.000 0.69 0.345 1.5 3 4 #10LSRA24 LSRA24 CR 1.500 1.375 0.93 0.465 2.0 4 8 3/8(1) = Consists of steel rail and high carbon steel LinearRace (HRC 60–65). (2) = Consists of zinc plated steel rail and 440C St. St’l. LinearRace (HRC 50–55).(3) = Specify length of assembly and mounting hole spacing (X1 or X2) when ordering. For example, LSRA12 CR X1 x 24.00 inches. (4) = Made to order.XY20ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType SR/ SR-PD LinearRace Support Rails and Assemblies (Dimensions in inches)Assembly Nom. H H1 A A1 E M N3With Solid LinearRaceLinearRace X YSR-PDSR With 60 Case shaftMountingSRWithout Pre-Drilled LinearRace Dia.shaft BoltMassHoles Holes shaft d ±.002±.002Hole Bolt N1lb/ftSR-12 SR-12-PD SRA-12 .750 1.500 .25 1.75 .875 1.25 .38 .22 #10 #10-32 x 1.25 6 3 1.00SR-16 SR-16-PD SRA-16 1.000 1.750 .25 2.13 1.063 1.50 .50 .281 ⁄41 ⁄4-20 x 1.50 6 3 1.40SR-24 SR-24-PD SRA-24 1.500 2.500 .38 3.00 1.500 2.25 .69 .34 5 ⁄16 3 ⁄8-16 x 2.00 8 4 2.60(††)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(†)60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace shaft joints for unlimited travel lengths.For part number description and specifications see page 26 and 27.Polar GraphStandardWithoutHolesStandardWithPre-DrilledHolesAssemblyWith Solid60 CaseLinearRaceshaftStandardSingle PieceLength (†)inMaximumSingle PieceLength (†)inLSR LSR-PD – 48 96LSRA – 180SR SR-PD SRA 24 72The actual Dynamic Load Capacity of a Ball Bushingbearing is determined by the orientation of the bearingor direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of theapplied load relative to the orientation of the bearingsball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply theproper correction factor by the Dynamic LoadCapacity listed in the product table on the previouspage. When using LSRA Smart Rail* assemblies,the dynamic load capacity for side loaded or pulloff applications must be de-rated by 75% or .25times the Dynamic Load Capacity.SSURPB012SSURPB016SSURPB024K OK0©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 35* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Smart Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comPick and Place X-Y SystemObjectiveBuild an X-Y System that transfers the work piecebetween two separate machining stations.SolutionAssemble the X-Y System utilizing Super Smart pillowblocks on end supported 60 Case* LinearRace* for theX-axis and continuously supported 60 Case LinearRaceon the Y-axis. Utilize Thomson Ball Screw Assembliesfor high speed positioning.BenefitsThe 60 Case LinearRace and 60 Case LinearRace endsupport blocks provided an important bridge betweenmachining stations. The Super Smart Ball Bushing pillowblocks and Thomson ball screws provided uninterruptedhigh speed movement of the work piece. Productivityincreased by 200%.Products SpecifiedX-axis2 – 1 1 ⁄2 L CTL x 48.00 in (60 Case LinearRace)4 – SB24 (60 Case LinearRace End Support Blocks)4 – SSUPB-24 (Super Smart Ball Bushing* Pillow Blocks)1 – 1 1 ⁄4 x .200 (Thomson Ball Screw Assembly)Y-axis2 – LSR-20 x 48.00 in (Low Profile 60 Case LinearRaceSupport Rail)4 – SSUPBO-20 (Super Smart Ball Bushing PillowBlocks)1 – 1 1 ⁄4 x .200 (Thomson Ball Screw Assembly)2 – 1 1 ⁄4 L CTL x 48.00 in (60 Case LinearRace)1 1 /4 x .200 ThomsonBall Screw Assembly1 1/2 L CTL x 48.0LSR-20-PDSSUPBO-20SB24SSUPB-24Page 36©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing BearingSuper Ball Bushing Bearing ProductsSUPERThomson Super Ball Bushing*Bearing Products offer:• a self-aligning capability up to .5ºcompensating for inaccuracies in baseflatness or carriage machining.• the RoundRail* Advantage combined withthe self-aligning feature, eliminating theneed for derating factors commonlyrequired for linear guides.• travel speeds up to 10 ft/s without areduction in load capacity.• light weight, wear-resistant, engineeredpolymerretainers and outer sleeves thatreduce inertia and noise.• radially floating bearing plates. Wheninstalled in an adjustable housing, theSuper Ball Bushing bearing may beadjusted to a specific diametrical fit-up foraccurate and repeatable movement.• a constant coefficient of friction as lowas .001.• the use of smaller, less expensive drivemotors, belts, linkages, gears and ballscrews, when replacing high frictionplain bearings.• a closed configuration for end supportedapplications and an open configurationfor continuously supported applications.• ready to install pillow blocks with doubleacting seals and an access for lubrication.Installation and downtime is minimized.• availability from over 1800 distributors,worldwide.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 37* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingSuper Ball Bushing Bearing ProductsPhone: 1-800-554-8466Website: www.thomsonballbushing.comFigure 1The Super Ball Bushing* bearing hasbeen the industry standard for selfaligninglinear bearings for over twentyyears. This bearing provides threetimes the load capacity or 27 timesthe travel life of conventional linearbearings. This dramatic improvementin bearing performance significantlyreduces downtime and maintenance,while increasing machine reliability.Thomson Industries, Inc. invented theSuper Ball Bushing bearing with manyunique design features. Besides thedramatic increase in load capacity,the Super Ball Bushing bearing is selfaligning,light weight and adjustablewith a low coefficient of friction(Figure 1).Figure 2BearingPlate60 CaseLinearRaceFigure 3BearingPlateBallsThree Times the Load CapacityThe bearing plates are hardened,bearing quality steel with ballconforming grooves (Figure 2). Thegroove is slightly larger than the balldiameter, providing an optimal areafor ball contact. The greater ball tobearing plate contact provides theincrease in load capacity or travel life.Zero Clearance FitThe bearing plates are also designedto float radially (Figure 3). When thebearing is mounted in an adjustablehousing, selected fit-ups can beachieved on the 60 Case* LinearRace*(shaft).Figure 4Cross-Section of Super Ball Bushing Bearing0.5º60 CaseLinearRaceSelf-AligningThe Super Ball Bushing bearing platespivot .5º about their centers (Figure 4)to assure smooth entry and exit of theprecision bearing balls. Each platealigns itself automatically tocompensate for inaccurate housingbore alignment, base flatness orcarriage machining. This providesuniform ball loading, smooth ballrecirculation and a constantcoefficient of friction.Smooth, Quiet OperationThe Super Ball Bushing bearing’souter sleeve and retainer are made ofwear-resistant, low-friction engineeringpolymer. It reduces inertia andoperating noise levels significantly.Page 38©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing BearingSuper Ball Bushing Bearing ProductsTable of ContentsSuper Ball Bushing Bearing Productsfor End Supported Applications ................................................................................................................................40Super Ball Bushing* bearing closed type products are designedspecifically for use in end supported applications wherespanning or bridging a gap is required. End support products areavailable in a variety of configurations and sizes. For a completeoverview of each Super Ball Bushing end support product turn topage 40. For product specifications see the pages referencedbelow.Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Part Number Description and Specification . . . . . . . . . . . . . . . 42Super Ball Bushing Product SpecificationsSuper Ball Bushing Bearings (Closed Type). . . . . . . . . . . . . . . 44Sealed Super Ball Bushing Bearings (Closed Type). . . . . . . . . 46Super Ball Bushing Cartridge Bearings . . . . . . . . . . . . . . . . . . 48Super Ball Bushing Pillow Blocks (Closed Type) . . . . . . . . . . . 50Super Ball Bushing Twin Pillow Blocks (Closed Type) . . . . . . . 52SUPERSuper Ball Bushing Bearing Productsfor Continuously Supported Applications................................................................................................................54Super Ball Bushing Bearing open type products are specificallydesigned for use in continuously supported applications, whererigidity and stiffness is required. Continuously supportedproducts are available in a variety of configurations and sizes.For a complete overview of all Super Ball Bushing bearingcontinuously supported products turn to page 54. For Super BallBushing continuously supported product specifications, see thecorresponding pages referenced below.Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54Part Number Description and Specification . . . . . . . . . . . . . . .56Super Ball Bushing Product SpecificationsSuper Ball Bushing Bearings (Open Type) . . . . . . . . . . . . . . . .58Sealed Super Ball Bushing Bearings (Open Type) . . . . . . . . . .60Super Ball Bushing Pillow Blocks (Open Type) . . . . . . . . . . . .62Super Ball Bushing Twin Pillow Blocks (Open Type) . . . . . . . .64©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 39* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing Bearings and Pillow Blocksfor End Supported ApplicationsSuper Ball Bushing* Bearings (Closed type)Features:• Available in sizes 3 ⁄16 to 2 inch diameter. • Travel speeds up to 10 ft/s.• Load Capacity range from 35 to 3,000 lb f . • Available with corrosion resistant• Self-aligning in all directions.components.• Can be mounted in a custom housing.• Can be adjusted to take out diametricalclearance.Sealed Super Ball Bushing Bearings (Closed type)Features:• Integral double acting seals retain• Can be adjusted to take out diametricallubrication and keep out contamination. clearance.• Available in sizes 1 ⁄2, 3 ⁄4 and 1 inch nominal • Can be mounted in a custom housing.diameter.• Travel speeds up to 10 ft/s.• Load capacity range from 255 to 1,050 lb f . • Available with corrosion resistant• Self-aligning in all directions.components.Super Ball Bushing Cartridge BearingsFeatures:• Available in sizes 1 ⁄4, 3 ⁄8 and 1 ⁄2 inch diameter.• Can be easily installed into a soft or slightlyout-of-round housing.• Available in both single or twin versions andwith or without integral double acting seals.• Single versions are self-aligning in alldirections.• Twin versions minimize installation timeand cost.• Available with corrosion resistantcomponents.Super Ball Bushing Pillow Blocks (Closed and Adjustable Type)Features:• Available in sizes 1 ⁄4 to 2 inch diameter. • Available with or without diameter• Load capacity range between 60 andadjustment capability.3,000 lb f .• Easily mounted and secured with four• Available with standard integral double mounting bolts (sizes 1 ⁄4 and 3 ⁄8 secured withacting seals.two mounting bolts).• Travel speeds up to 10 ft/s.• Available with a standard lubrication access.Super Ball Bushing Twin Pillow Blocks (Closed and Adjustable Type)Features:• Available in sizes 1 ⁄4 to 1 1 ⁄2 inch diameter. • Available with or without diameter• Load capacity range between 120 and adjustment capability.4,000 lb f .• Easily mounted and secured with four• Available with standard integral double mounting bolts.acting seals.• Available with a standard lubrication• Travel speeds up to 10 ft/s.access.Page 40©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Shaftingfor End Supported Applications60 Case* Solid LinearRace* ShaftingFeatures:• Diameter range between 3 ⁄16 and4 inch.• Roundness 80 millionths of an inch.• Case hardness 60 HRC minimum.• Surface finish 12 R a microinch.• Available in corrosion resistant 440Cstainless steel (50 HRC minimum).Super Ball Bushing Bearing• Available with PrePlate*chrome option.• Standard straightness is .001 inchper foot cumulative (.002 TIR) withspecial straightness at .0005 inchper foot cumulative (.001 TIR)available.60 Case Tubular Lite* LinearRace ShaftingFeatures:• Hollow inner diameter reduces • Available with Preplate chromeweight and inertia.option.• Diameter range between 3 ⁄4 and • Standard straightness is .001 inch4 inch.per foot cumulative (.002 TIR) with• Roundness 80 millionths of an inch. special straightness at .0005 inch• Case hardness 58 HRC minimum. per foot cumulative (.001 TIR)• Surface finish 12 R a microinch.available.SUPER60 Case LinearRace SupportsFor End Supported ApplicationsSB 60 Case LinearRace End Support BlockFeatures:• Size range between 1 ⁄4 and 2 inch.• Protected by corrosion resistant coating.• Easily secured with two mounting bolts. • Light weight, high strength aluminum alloy• Malleable iron alloy for sizes 1 ⁄2 to 2 inch construction for sizes 1 ⁄4 and 3 ⁄8 inch.diameter.ASB Low Profile 60 Case LinearRace End Support BlockFeatures:• Size range between 1 ⁄4 and 1 1 ⁄2 inch. • Protected by corrosion resistant anodized• Low profile design.coating.• Easily secured with two mounting bolts. • Light weight, high strength aluminum alloyconstruction.FSB Flanged 60 Case LinearRace End Support BlockFeatures:• Available in 1 ⁄2, 3 ⁄4, 1 and 1 1 ⁄4 inch• Designed specifically for use with Superdiameters.Ball Bushing Flanged Pillow Blocks• Flanged mounting surface for easy• Protected by corrosion resistant coating.assembly.• Light weight, high strength aluminum alloy• Easily secured with four mounting bolts. construction.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 41* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comPart Number Description and Specification:Super Ball Bushing* Bearings (Closed Type)for End Supported ApplicationsSUPER 16-CRTypeSUPERSCBDescriptionSuper Ball Bushing bearingsSuper Ball Bushing Cartridge bearingsSize3468101216202432NominalDiameter.188.250.375.500.625.7501.0001.2501.5002.000Option–CRDDNBTWNDPDescriptionStandardCorrosion ResistantIntegral SealsNylon BallsTwin (SCB only)Dry PackedSuper Ball Bushing Pillow Blocks (Closed Type)for End Supported ApplicationsSPB 16-ADJ-CRTypeSPBTWNDescriptionSuper Ball Bushing Pillow BlocksSuper Ball Bushing Twin Pillow BlocksSize8101216202432NominalDiameter.500.625.7501.0001.2501.5002.000Type–ADJOption–CRNBDescriptionStandardCorrosion ResistantNylon BallsDescriptionClosed Type, Non-AdjustableClosed Type, Adjustable PillowBlockPage 42©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing BearingPart Number Description and Specification:60 Case* LinearRace*for End Supported Applications1 L-SS-CTLNom. Nom.Size Dia. Size Dia.1/4 .250 1 1/4 1.2503/8 .375 1 1/2 1.5001/2 .500 2 2.0005/8 .625 2 1/2 2.5003/4 .750 3 3.0001 1.000 4 4.000ClassSLDFor use with A type ball bushingsFor use with XA, Open and AdjustableBall Bushing bearings and PillowBlocks as well as Super Ball Bushing*bearings and Super Smart BallBushing* bearingsFor use with Die Set Ball BushingbearingsOption–SSTUCPPEDescriptionCarbon Steel440C Stainless SteelTubular LiteChrome Platedw/ Plain EndsTypeCTL-Cut to lengthRL - Random LengthSM-Special MachinedSUPER60 Case LinearRacePart Number Part Number Part Number Part Number Part Number60 CaseSolidLinearRace60 CaseLinearRaceDiameterClass LMax.Lengthin.StainlessSteelLinearRaceMax.Lengthin.ChromePlatedLinearRaceMax.Lengthin.60 CaseTubular LiteLinearRaceMax.Lengthin.Chrome PlatedTubular LiteLinearRace1/4 L .2495/.2490 96 1/4 L SS 60 1/4 L CPPE 923/8 L .3745/.3740 180 3/8 L SS 180 3/8 L CPPE 1661/2 L .4995/.4990 180 1/2 L SS 180 1/2 L CPPE 1685/8 L .6245/.6240 180 5/8 L SS 180 5/8 L CPPE 1783/4 L .7495/.7490 180 3/4 L SS 180 3/4 L CPPE 178 3/4 L TU 180 3/4 L TU CPPE 1781 L .9995/.9990 204 1 L SS 180 1 L CPPE 178 1 L TU 180 1 L TU CPPE 1781 1/4 L 1.2495/1.2490 204 1 1/4 L SS 180 1 1/4 L CPPE 1781 1/2 L 1.4994/1.4989 204 1 1/2 L SS 180 1 1/2 L CPPE 178 1 1/2 LTU 180 1 1/2 L TU CPPE 1782 L 1.9994/1.9987 204 2 L SS 180 2 L CPPE 178 2 L TU 180 2 L TU CPPE 178Max.Lengthin.60 Case LinearRace Support Blocksfor End Supported ApplicationsASB-16TypeASBSBFSBDescriptionLow Profile 60 Case LinearRace End Support BlockStandard 60 Case LinearRace End Support BlockFlanged 60 Case LinearRace End Support BlockSize468101216202432NominalDiameter.250.375.500.625.7501.0001.2501.5002.000©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 43* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingSuper Ball Bushing Bearings(Closed Type) for End Supported ApplicationsC2C1DPhone: 1-800-554-8466Website: www.thomsonballbushing.comd60 Case SolidLinearRacedTHOMSON SUPERdD160 Case Tubular LiteLinearRaceCTSuper Ball Bushing* Bearings (Closed Type) and 60 Case* LinearRace*Part Number (2)BallBushingBearingSUPER 3SUPER 4SUPER 6SUPER 8SUPER 10SUPER 12SUPER 16SUPER 20SUPER 24SUPER 3260 CaseLinearRace3/16 L1/4 L3/8 L1/2 L5/8 L3/4 L1 L1 1/4 L1 1/2 L2 LNominalDiameter.188.250.375.500.625.7501.0001.2501.5002.000LengthC.562/.547.750/.735.875/.8601.250/1.2301.500/1.4801.625/1.6052.250/2.2302.625/2.6003.000/2.9704.000/3.960DistanceBetweenRetainingRing GroovesC1—.511/.501.699/.6891.032/1.0121.105/1.0951.270/1.2501.884/1.8642.004/1.9842.410/2.3903.193/3.163RetainingRingGroovemin.C2—.039.039.050.056.056.070.068.086.105NumberofBallCircuits4444566666BallBushingBearingMasslb.003.01.02.04.10.14.25.45.851.4560 CaseLinearRaceMinimumDepth ofHardness.04.027.027.04.04.06.08.08.08.1060 CaseSolidLinearRaceMasslb/in.008.01.03.06.09.13.22.35.50.89(Dimensions in inches)60 CaseTubular LiteLinearRaceMasslb/in—————.08.16—.33.5460 CaseTubular LiteLinearRaceIDD1—————.46/.41.62/.56—.93/.841.31/1.18Part Number (2)BallBushingBearingSUPER 3SUPER 4SUPER 6SUPER 8SUPER 10SUPER 12SUPER 16SUPER 20SUPER 24SUPER 32WorkingBoreDiameterT.1875/.1870.2500/.2495.3750/.3745.5000/.4995.6250/.6245.7500/.74951.0000/.99951.2500/1.24941.5000/1.49942.0000/1.9992Recommended Housing Bore Diameter60 CaseBall Bushing Bearing/LinearRace Fit Up ‡LinearRaceAdjustableFixedAdjustable Diameter Fixed Diameter Diameter HousingDDdHousing (Before Adjustment).3755/.3750.5005/.5000.6255/.6250.8755/.87501.1255/1.12501.2505/1.25001.5630/1.56252.0008/2.00002.3760/2.37503.0010/3.0000.3760/.3750.5010/.5000.6260/.6250.8760/.87501.1260/1.12501.2510/1.25001.5635/1.56252.0010/2.00002.3760/2.37503.0010/3.0000.1870/.1865.2495/.2490.3745/.3740.4995/.4990.6245/.6240.7495/.7490.9995/.99901.2495/1.24901.4994/1.49891.9994/1.9987.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000.0018C/.0001P.0021C/.0000.0023C/.0002P.002C/.0000.002C/.0000.002C/.0000.002C/.0000.002C/.0000.002C/.0000.002C/.0000.002C/.0000.0021C/.0000.0023C/.0002PLoad/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)‡ P=Preload, C=ClearanceDynamic (1)LoadCapacitylb f35601002554506001050150020003000Load on most heavily loaded bearing (lbf)500100101Super 10Super 8Super 6Super 4Super 31 10 100 1000Required Travel Life (millions of inches)Load Load on on most most heavily heavily loaded loaded bearing bearing (lb (lbf) f )30001000100501 10 100 1000Required Travel Life (millions of inches)Super 32Super 24Super 20Super 16Super 12Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearingsize enter the chart with themaximum load of the most heavily loadedbearing and the required travel life. Markwhere the two lines intersect. All BallBushing bearing sizes that pass through orabove and to the right of this point may besuitable for this application.Note: For the purpose of using this chart.Load on most heavily loaded bearing =maximum applied load/K 0*Where K 0 can be determined from the PolarGraph to the right.Page 44©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsH1HA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.H1HType SB LinearRace Support BlockType ASB LinearRace Support BlockEAMaterial: Aluminum AlloyBBACA1N3Type FSB Flanged LinearRace Support BlockA C FGMaterial: Aluminum AlloyBBDEJddSuper Ball Bushing BearingType SB 60 Case* LinearRace* End Support BlocksNominal H H1 H2 A A2 B ELinearRacePart (2) DiameterNo. d ±.002±.010SB-4 .250 .687 1.06 1.50 .63 .50 1.125SB-6 .375 .750 1.19 1.63 .69 .56 1.250SB-8 .500 1.000 1.63 2.00 .75 .63 1.500(Dimensions in inches)N3MassHole Bolt lb.25 .16 #6 .03.25 .16 #6 .05.25 .19 #8 .30SB-10SB-12.625.7501.0001.2501.752.13.31.312.502.75.881.00.69.751.8752.000.22.22#10#10.40.50SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .281 ⁄4 1.00SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .345 ⁄16 2.00SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .345 ⁄16 2.60SB-32 2.000 2.500 4.50 .63 6.00 2.63 1.50 4.500 .41 3 ⁄8 4.80Type ASB 60 Case LinearRace End Support Blocks(Dimensions in inches)H H1 A A1 B E N3NominalLinearRaceDiameterdPart (2)No.±.001±.001Hole BoltMasslbASB-4 .250 .500 .88 1.50 .750 .50 1.12 .16 #6 .06ASB-6 .375 .562 1.00 1.62 .813 .56 1.25 .16 #6 .08ASB-8 .500 .875 1.48 2.00 1.000 .63 1.50 .19 #8 .11ASB-12 .750 1.125 1.95 2.50 1.250 .75 2.00 .22 #10 .22ASB-16 1.000 1.375 2.48 3.25 1.625 1.00 2.50 .281 ⁄4 .44ASB-24 1.500 2.000 3.50 4.75 2.375 1.25 3.50 .345 ⁄16 1.16Type FSB Flanged 60 Case LinearRace End Support Blocks (Dimensions in inches)A B C D E F G JNominalLinearRaceDiameterdPart (2)No.±.010Hole BoltMasslbFSB-8 .500 1.63 .81 1.250 .88 .50 1.00 .18 #8 .25 .3FSB-12 .750 2.38 1.19 1.750 1.00 .63 1.25 .21 #10 .31 .6FSB-16 1.000 2.75 1.38 2.125 1.25 .63 1.50 .271 ⁄4 .31 .8FSB-20 1.250 3.13 1.56 2.375 1.38 .75 1.75 .271 ⁄4 .38 .9(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 42 and 43. Note: For additional technical data, see Engineering Support Appendix.SUPERPolar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0 K 0SUPER 3SUPER 4SUPER 6SUPER 8SUPER 10 SUPER 12SUPER 16SUPER 20SUPER 24SUPER 32©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 45* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

THOMSON SUPER-DDSuper Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comSealed Super Ball Bushing Bearings(Closed Type) for End Supported ApplicationsC2C1Dd60 Case SolidLinearRaceddD160 Case Tubular LiteLinearRaceCTSealed Super Ball Bushing* Bearings (Closed Type, seal at both ends) and 60 Case* LinearRace*Part Number (2)BallBushingBearingSUPER-8-DDSUPER-10-DDSUPER-12-DDSUPER-16-DD60 CaseLinearRace1/2 L5/8 L3/4 L1 LNominalDiameterd.500.625.7501.000LengthC1.500/1.4601.750/1.7101.875/1.8352.625/2.585DistanceBetweenRetainingRing GroovesC11.032/1.0121.105/1.0951.270/1.2501.884/1.864RetainingRingGroovemin.C2.050.056.056.070NumberofBallCircuits4566BallBushingBearingMasslb.05.11.15.2760 CaseLinearRaceMinimumDepth ofHardness.04.04.06.0860 CaseSolidLinearRaceMasslb/in.06.09.13.22(Dimensions in inches)60 CaseTubular LiteLinearRaceMasslb/in——.08.1660 CaseTubular LiteLinearRaceIDD1——.46/.41.62/.56Part Number (2)BallBushingBearingSUPER-8-DDSUPER-10-DDSUPER-12-DDSUPER-16-DDWorkingBoreDiameterT.5000/.4995.6250/.6245.7500/.74951.0000/.9995Recommended Housing Bore Diameter60 CaseBall Bushing Bearing/LinearRace Fit Up ‡LinearRaceAdjustableFixedAdjustable Diameter Fixed Diameter Diameter HousingDDdHousing (Before Adjustment).8750/.87551.1250/1.12551.2500/1.25051.5625/1.5630.8750/.87601.1250/1.12601.2500/1.25101.5625/1.5635.4995/.4990.6245/.6240.7495/.7490.9995/.9990.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000.002C/.0000.002C/.0000.002C/.0000.002C/.0000Dynamic (1)LoadCapacitylb f2554506001050‡ P=Preload, C=ClearanceLoad/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)Load on most heavily loaded bearing (lbf)20001000100101 10 100 1000Required Travel Life (millions of inches)Super 16-DDSuper 12-DDSuper 10-DDSuper 8-DDDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 46©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsH1HType SB LinearRace Support BlockA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.BdSuper Ball Bushing BearingType SB 60 Case* LinearRace* End Support BlocksNominal H H1 H2 A A2 B ELinearRacePart (2) DiameterNo. d ±.002±.010SB-8 .500 1.000 1.63 2.00 .75 .63 1.500(Dimensions in inches)N3MassHole Bolt lb.25 .19 #8 .3SB-10SB-12.625.7501.0001.2501.752.13.31.312.502.75.881.00.69.751.8752.000.22.22#10#10.4.5SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .281 ⁄4 1.0H1HType ASB LinearRace Support BlockEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace End Support BlocksH H1 A A1Part (2)No.NominalLinearRaceDiameterd.500.7501.000±.001±.001ASB-8 .875 1.48 2.00 1.000ASB-12 1.125 1.95 2.50 1.250ASB-16 1.375 2.48 3.25 1.625B.63.751.00E1.502.002.50(Dimensions in inches)N3Hole.19.22.28MassBolt lb#8 .11#10 .221 ⁄4 .44SUPERType FSB Flanged LinearRace Support BlockADCEBGJA C FBType FSB Flanged 60 Case LinearRace End Support BlocksA B C D E FPart (2)No.NominalLinearRaceDiameterd.500.7501.000±.010FSB-8 1.63 .81 1.250 .88FSB-12 2.38 1.19 1.750 1.00FSB-16 2.75 1.38 2.125 1.25.50.63.631.001.251.50(Dimensions in inches)G JMassHole Boltlb.18 #8 .25 .3.21 #10 .31 .6.27 1 ⁄4 .31 .8Material: Aluminum Alloy(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 42 and 43.Note: For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0K 0SUPER 8-DD SUPER 10-DD SUPER 12-DDSUPER 16-DD©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 47* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

;;Super Ball Bushing BearingSuper Ball Bushing Cartridge Bearingfor End Supported ApplicationsSCBSCB-TWNCdCdDDSCB-DDSCB-TWN-DD;;CddDDSuper Ball Bushing* Cartridge Bearings and 60 Case* LinearRace*Part Number (2)Rec. 60 CaseBall Bushing Ball Bushing 60 Case Nominal Housing LinearRace 60 CaseLength Number Mass Mass LinearRace Outside Bore Minimum LinearRaceWithout With 60 Case Nominal C of Ball w/o Seals With Seals Diameter Dia. Dia. Depth of MassSeals Seals LinearRace Diameter ±.005 Circuits lblb d D Fixed Hardness lb/inSCB-4 SCB-4-DD 1/4 L .250 1.000 4.01.02 .2495/.2490 .531/.529 .535/.533 .027 .01SCB-6 SCB-6-DD 3/8 L .375 1.125 4.02.03 .3745/.3740 .656/.654 .660/.658 .027 .03SCB-8 SCB-8-DD 1/2 L .500 1.500 4.06.07 .4995/.4990 .906/.904 .910/.908 .04 .06Super Ball Bushing Twin Cartridge Bearings and 60 Case LinearRacePart Number (2)Rec. 60 CaseBall Bushing Ball Bushing 60 Case Nominal Housing LinearRace 60 CaseLength Number Mass Mass LinearRace Outside Bore Minimum LinearRaceWithout With60 Case Nominal C of Ball w/o Seals With Seals Diameter Dia. Dia. Depth of MassSeals Seals LinearRace Diameter ±.005 Circuits lblb d D Fixed Hardness lb/inSCB-4-TWN SCB-4-TWN-DD 1/4 L .250 1.750 4.02.04 .2495/.2490 .531/.529 .535/.533 .027 .01;CPhone: 1-800-554-8466Website: www.thomsonballbushing.com(Dimensions in inches)SCB-6-TWN SCB-6-TWN-DD 3/8 L .375 2.000 4.03.04 .3745/.3740 .656/.654 .660/.658 .027 .03SCB-8-TWN SCB-8-TWN-DD 1/2 L .500 2.750 4.12.13 .4995/.4990 .906/.904 .910/.908 .04 .06Dynamic (1)LoadCapacitylb f60100255(Dimensions in inches)Dynamic (1)LoadCapacitylb f120200510Load/Life Graph (Lines indicate limiting load for given Ball Bushing Cartridge Bearing)Load Load on on most heavily loaded bearing (lbf) f )5001001051 10 100 1000Required Travel Life (millions of inches)SCB-8 &SCB-8-DDSCB-6 &SCB-6-DDSCB-4 &SCB-4-DDLoad Load on on most heavily loaded bearing (lbf)f )1000100101 10 100 1000Required Travel Life (millions of inches)SCB-8-TWN &SCB-8-TWN-DDSCB-6-TWN &SCB-6-TWN-DDSCB-4-TWN &SCB-4-TWN-DDDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushingbearing size enter the chart with themaximum load of the most heavilyloaded bearing and the required travellife. Mark where the two lines intersect.All Ball Bushing bearing sizes that passthrough or above and to the right of thispoint may be suitable for this application.Note: For the purpose of using thischart.Load on most heavily loaded bearing= maximum applied load/K 0*Where K 0 can be determined from thePolar Graph to the right.Page 48©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsH1HType SB LinearRace Support BlockA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.BdSuper Ball Bushing BearingType SB 60 Case* LinearRace* End Support BlocksNominal H H1 H2 A A2 B ELinearRacePart (2) DiameterNo. d ±.002±.010SB-4 .250 .687 1.06 1.50 .63 .50 1.125SB-6 .375 .750 1.19 1.63 .69 .56 1.250SB-8 .500 1.000 1.63 2.00 .75 .63 1.500(Dimensions in inches)N3MasslbHole Bolt.25 .16 #6 .03.25 .16 #6 .05.25 .19 #8 .30H1HType ASB LinearRace Support BlockEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace End Support BlocksNominal H H1 A A1 B ELinearRacePart (2) DiameterNo. d ±.001±.001HoleASB-4 .250 .500 .88 1.50 .750 .50ASB-6 .375 .562 1.00 1.62 .813 .56 1.25 .16ASB-8 .500 .875 1.48 2.00 1.000 .63 1.50 .19(Dimensions in inches)N3MassBolt lb1.12 .16 #6 .06#6 .08#8 .11SUPERType FSB Flanged LinearRace Support BlockADCEBGJA C FBType FSB Flanged 60 Case LinearRace End Support BlocksA B C D E FPart (2)No.NominalLinearRaceDiameterd.500FSB-8 1.63±.010.81 1.250 .88.50(Dimensions in inches)G JMassHole Boltlb1.00 .18 #8 .25 .3Material: Aluminum Alloy(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below. Dynamic loadcapacity of Twin Super Cartridge bearing is based on two bearings equally loaded.(2)For part number description and specifications see page 42 and 43.Note: For additional technical data, see Engineering Support Appendix.Polar GraphThe actual Dynamic Load Capacity of a BallBushing bearing is determined by the orientationof the bearing or direction of the applied load.The load Correction Factor K 0 is found by knowingthe direction of the applied load relative to theorientation of the bearings ball tracks and referringto the polar graph. To determine the actualDynamic Load Capacity, multiply the propercorrection factor by the Dynamic Load Capacitylisted in the product table on the previous page.SCB-4 & SCB-4-DDSCB-6 & SCB-6-DDSCB-8 & SCB-8-DDSCB-4-TWN & SCB-4-TWN-DDSCB-6-TWN & SCB-6-TWN-DDSCB-8-TWN & SCB-8-TWN-DDK 0©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 49* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingSuper Ball Bushing Pillow Blocks(Closed and Adjustable Type) for End Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSPB End viewA2SPB Side viewG1Access forLubrication †SPB-ADJ End viewA2 AdjustingScrewSPB-ADJ Side ViewG1Access forLubrication †H1HE1AFF1NEBGH1HE1AF1FNEBGE For .25" and .375" sizesd60 Case SolidLinearRacedD160 Case Tubular LiteLinearRace†Sizes .25, .375 and .500 have oillubricant fitting. Sizes .625 and abovehave 1 ⁄4-28 access for lubrication.Super Ball Bushing* Pillow Blocks (Closed and Adjustable Types, seal at both ends) and 60* Case LinearRace*(Dimensions in inches)Part Number (2)60 Case 60 Case 60 Case 60 CaseH H1Super Ball Bushing60 Case LinearRace Solid Tubular Lite Tubular LitePillow BlockLinearRace Minimum LinearRace LinearRace LinearRace60 Case NominalDiameter Depth of Mass MassIDFixed Adjustable LinearRace Diameter ±.003d Hardness lb/in lb/in D1SPB-4 SPB-4-ADJ 1/4 L .250 .437 .81 .2495/.2490 .027 .01 – –SPB-6 SPB-6-ADJ 3/8 L .375 .500 .94 .3745/.3740 .027 .03 – –SPB-8 SPB-8-ADJ 1/2 L .500 .687 1.25 .4995/.4990 .04 .06 – –SPB-10 SPB-10-ADJ 5/8 L .625 .875 1.63 .6245/.6240 .04 .09 – –SPB-12 SPB-12-ADJ 3/4 L .750 .937 1.75 .7495/.7490 .06 .13 .08 .46/.41SPB-16 SPB-16-ADJ 1 L 1.000 1.187 2.19 .9995/.9990 .08 .22 .16 .62/.56SPB-20 SPB-20-ADJ 1 1/4 L 1.250 1.500 2.81 1.2495/1.2490 .08 .35 – –SPB-24 SPB-24-ADJ 1 1/2 L 1.500 1.750 3.25 1.4994/1.4989 .08 .50 .33 .93/.84SPB-32 SPB-32-ADJ 2 L 2.000 2.125 4.06 1.9994/1.9987 .10 .89 .54 1.31/1.18Part Number (2)A A2 B E E1 F F1 G G1 NDynamicSuper Ball BushingPillow(1)LoadPillow BlockBlockMass CapacityFixed Adjustable±.010 ±.010Hole Bolt lb lb fSPB-4 SPB-4-ADJ 1.63 1.00 1.19 .750 1.313 .75 .19 .61 .22 .16 #6 .10 60SPB-6 SPB-6-ADJ 1.75 1.13 1.31 .875 1.438 .88 .19 .72 .22 .16 #6 .13 100SPB-8 SPB-8-ADJ 2.00 1.38 1.69 1.000 1.688 1.13 .25 .69 .84 .16 #6 .20 255SPB-10 SPB-10-ADJ 2.50 1.75 1.94 1.125 2.125 1.44 .28 .70 .68 .19 #8 .50 450SPB-12 SPB-12-ADJ 2.75 1.88 2.06 1.250 2.375 1.56 .31 .94 .72 .19 #8 .60 600SPB-16 SPB-16-ADJ 3.25 2.38 2.81 1.750 2.875 1.94 .38 1.20 .86 .22 #10 1.20 1050SPB-20 SPB-20-ADJ 4.00 3.00 3.63 2.000 3.500 2.50 .44 1.50 1.20 .22 #10 2.50 1500SPB-24 SPB-24-ADJ 4.75 3.50 4.00 2.500 4.125 2.88 .50 1.75 1.25 .28 1 ⁄4 3.80 2000SPB-32 SPB-32-ADJ 6.00 4.50 5.00 3.250 5.250 3.63 .63 2.12 1.58 .41 3 ⁄8 7.00 3000Load/Life Graph (Lines indicate limiting load for given Ball Bushing Pillow Block)5003000Load on most heavily loaded bearing (lbf)1001011 10 100 1000Required Travel Life (millions of inches)SPB-10 (-ADJ)SPB-8 (-ADJ)SPB-6 (-ADJ)SPB-4 (-ADJ)Load on most heavily loaded bearing (lbf)1000100501 10 100 1000Required Travel Life (millions of inches)SPB-32 (-ADJ)SPB-24 (-ADJ)SPB-20 (-ADJ)SPB-16 (-ADJ)SPB-12 (-ADJ)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushingbearing size enter the chart with the maximumload of the most heavily loadedbearing and the required travel life. Markwhere the two lines intersect. All BallBushing bearing sizes that pass throughor above and to the right of this pointmay be suitable for this application.Note: For the purpose of using thischart.Load on most heavily loaded bearing =maximum applied load/K 0*Where K 0 can be determined from thePolar Graph to the right.Page 50©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsH1HA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.H1HType SB LinearRace Support BlockType ASB LinearRace Support BlockEAMaterial: Aluminum AlloyBBACA1N3Type FSB Flanged LinearRace Support BlockA C FGMaterial: Aluminum AlloyBBDEJddPart (2)No.Super Ball Bushing BearingType SB 60 Case* LinearRace* End Support BlocksNominal H H1 H2 A A2 B ELinearRacePart (2) DiameterNo. d ±.002±.010SB-4 .250 .687 1.061.50 .63 .50 1.125SB-6 .375 .750 1.19 .25 1.63 .69 .56 1.250SB-8 .500 1.000 1.63 2.00 .75 .63 1.500(Dimensions in inches)N3MassHole Bolt lb.25 .16 #6 .03.16 #6 .05.25 .19 #8 .30SB-10SB-12.625.7501.0001.2501.752.13.31.312.502.75.881.00.69.751.8752.000.22.22#10#10.40.50SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .281 ⁄4 1.00SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .345 ⁄16 2.00SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .345 ⁄16 2.60SB-32 2.000 2.500 4.50 .63 6.00 2.63 1.50 4.500 .41 3 ⁄8 4.80Type ASB 60 Case LinearRace End Support BlocksNominal H H1 A A1 BLinearRacePart (2) DiameterNo. d ±.001±.001ASB-4 .250 .500 .88 1.50 .750 .50ASB-6 .375 .562 1.00 1.62 .813 .56ASB-8 .500 .875 1.48 2.00 1.000 .63ASB-12 .750 1.125 1.95 2.50 1.250 .75ASB-16 1.000 1.375 2.48 3.25 1.625 1.00ASB-24 1.500 2.000 3.50 4.75 2.375 1.25Type FSB Flanged 60 Case LinearRace End Support BlocksNominalLinearRaceDiameterd.500.7501.0001.250±.010FSB-8 1.63 .81 1.250 .88FSB-12 2.38 1.19 1.750 1.00FSB-16 2.75 1.38 2.125 1.25FSB-20 3.13 1.56 2.375 1.38(Dimensions in inches)E N3MassHole Bolt lb1.12 .16 #6 .061.25 .16 #6 .081.50 .19 #8 .112.00 .22 #10 .222.50 .281 ⁄4 .443.50 .345 ⁄16 1.16(Dimensions in inches)G J(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 42 and 43.Note: For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.ABCDE.50.63.63.75F1.001.251.501.75MassHole Boltlb.18 #8 .25 .3.21 #10 .31 .6.27.271 ⁄4⁄4.31.38.8.9SUPERK 0K 0K 0SPB-4 (-ADJ)SPB-6 (-ADJ)SPB-8 (-ADJ)SPB-10 (-ADJ)SPB-12 (-ADJ)SPB-16 (-ADJ)SPB-20 (-ADJ)SPB-24 (-ADJ)SPB-32 (-ADJ)©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 51* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingSuper Ball Bushing Twin Pillow Blocks(Closed Type) for End Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comH1HTWN End viewA2E1AFF1NTWN Side ViewG1EBAccess forLubrication †GH1HTWN-ADJ End viewA2 AdjustingScrewE1AF1FNTWN-ADJ Side ViewG1EBAccess forLubrication †G† Sizes .25, .375 and .500 have oillubricant fitting. Sizes .625 and abovehave 1 ⁄4-28 access for lubrication.d60 Case SolidLinearRace60 Case Tubular LiteD1 LinearRaceSuper Ball Bushing* Twin Pillow Blocks (Closed Type, seal at both ends) and 60 Case* LinearRace*(Dimensions in inches)Part Number (2)Super Ball BushingTwin Pillow BlockHH160 CaseLinearRaceDiameterd60 CaseLinearRaceMinimumDepth ofHardness60 CaseSolidLinearRaceMasslb/in60 CaseTubular LiteLinearRaceMasslb/in60 CaseTubular LiteLinearRaceIDD160 Case NominalFixed Adjustable LinearRace Diameter ±.003TWN-4 TWN-4-ADJ 1/4 L .250 .437 .81 .2495/.2490 .027 .01 – –TWN-6 TWN-6-ADJ 3/8 L .375 .500 .94 .3745/.3740 .027 .03 – –TWN-8 TWN-8-ADJ 1/2 L .500 .687 1.25 .4995/.4990 .04 .06 – –TWN-10 TWN-10-ADJ 5/8 L .625 .875 1.63 .6245/.6240 .04 .09 – –TWN-12 TWN-12-ADJ 3/4 L .750 .937 1.75 .7495/.7490 .06 .13 .08 .46/.41TWN-16 TWN-16-ADJ 1 L 1.000 1.187 2.19 .9995/.9990 .08 .22 .16 .62/.56TWN-20 TWN-20-ADJ 1 1/4 L 1.250 1.500 2.81 1.2495/1.2490 .08 .35 – –TWN-24 TWN-24-ADJ 1 1/2 L 1.500 1.750 3.25 1.4994/1.4989 .08 .50 .33 .93/.84Part Number (2)Super Ball BushingTwin Pillow BlockAA2BEE1F F1 G G1Pillow Dynamic (1)Block LoadMass CapacityFixed Adjustable±.010 ±.010Hole Bolt lb lb fTWN-4 TWN-4-ADJ 1.63 1.00 2.50 2.000 1.313 .75 .19 .44 1.25 .16 #6 .19 120TWN-6 TWN-6-ADJ 1.75 1.13 2.75 2.250 1.438 .88 .19 .50 1.37 .16 #6 .25 200TWN-8 TWN-8-ADJ 2.00 1.38 3.50 2.500 1.688 1.13 .25 .59 1.75 .16 #6 .40 510TWN-10TWN-12TWN-16TWN-20TWN-24TWN-10-ADJTWN-12-ADJTWN-16-ADJTWN-20-ADJTWN-24-ADJ2.502.753.254.004.751.751.882.383.003.504.004.506.007.509.003.0003.5004.5005.5006.5002.1252.3752.8753.5004.1251.441.561.942.502.88.28.31.38.44.50.85.941.191.501.752.002.253.003.754.50.19.19.22.22.28#8#8#10#10 ⁄41.001.202.405.007.809001200210030004000Load/Life Graph (Lines indicate limiting load for given Ball Bushing Pillow Block)NLoad on most heavily loaded bearing (lbf)1000100TWN-10 (-ADJ)TWN-8 (-ADJ)TWN-6 (-ADJ)TWN-4 (-ADJ)101 10 100 1000Required Travel Life (millions of inches)Load on most heavily loaded bearing (lbf)500010001001 10 100 1000Required Travel Life (millions of inches)TWN-24 (-ADJ)TWN-20 (-ADJ)TWN-16 (-ADJ)TWN-12 (-ADJ)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushingbearing size enter the chart with themaximum load of the most heavilyloaded bearing and the required travellife. Mark where the two lines intersect.All Ball Bushing bearing sizes that passthrough or above and to the right of thispoint may be suitable for this application.Note: For the purpose of using thischart.Load on most heavily loaded bearing =maximum applied load/K 0*Where K 0 can be determined from thePolar Graph to the right.Page 52©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsH1HA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.H1HType SB LinearRace Support BlockType ASB LinearRace Support BlockEAMaterial: Aluminum AlloyBBACA1N3Type FSB Flanged LinearRace Support BlockA C FGBMaterial: Aluminum AlloyBDEJddPart (2)No.Super Ball Bushing BearingType SB 60 Case* LinearRace* End Support BlocksNominal H H1 H2 A A2 B ELinearRacePart (2) DiameterNo. d ±.002±.010SB-4 .250 .687 1.061.50 .63 .50 1.125SB-6 .375 .750 1.19 .25 1.63 .69 .56 1.250SB-8 .500 1.000 1.63 2.00 .75 .63 1.500(Dimensions in inches)N3MassHole Bolt lb.25 .16 #6 .03.16 #6 .05.25 .19 #8 .30SB-10SB-12.625.7501.0001.2501.752.13.31.312.502.75.881.00.69.751.8752.000.22.22#10#10.40.50SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .281 ⁄4 1.00SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .345 ⁄16 2.00SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .345 ⁄16 2.60Type ASB 60 Case LinearRace End Support BlocksNominal H H1 A A1 BLinearRacePart (2) DiameterNo. d ±.001±.001ASB-4 .250 .500 .88 1.50 .750 .50ASB-6 .375 .562 1.00 1.62 .813 .56ASB-8 .500 .875 1.48 2.00 1.000 .63ASB-12 .750 1.125 1.95 2.50 1.250 .75ASB-16 1.000 1.375 2.48 3.25 1.625 1.00ASB-24 1.500 2.000 3.50 4.75 2.375 1.25Type FSB Flanged 60 Case LinearRace End Support BlocksA B C D E FNominalLinearRaceDiameterd.500.7501.0001.250±.010FSB-8 1.63 .81 1.250 .88FSB-12 2.38 1.19 1.750 1.00FSB-16 2.75 1.38 2.125 1.25FSB-20 3.13 1.56 2.375 1.38(Dimensions in inches)E N3MassHole Bolt lb1.12 .16 #6 .061.25 .16 #6 .081.50 .19 #8 .112.00 .22 #10 .222.50 .281 ⁄4 .443.50 .345 ⁄16 1.16(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by the orientation of the bearing orthe direction of the applied load. For dynamic load correction factors see polar graphs below. Dynamic load capacity of Super Ball Bushing Twin Pillow Blocks isbased on two bearings equally loaded.(2)For part number description and specifications see page 42 and 43.Note: For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determine theactual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page..50.63.63.751.001.251.501.75(Dimensions in inches)G JMassHole Boltlb.18 #8 .25 .3.21 #10 .31 .6.27.271 ⁄4⁄4.31.38.8.9SUPERK 0K 0 K 0TWN-4 (-ADJ)TWN-6 (-ADJ)TWN-8 (-ADJ)TWN-10 (-ADJ)TWN-12 (-ADJ)TWN-16 (-ADJ)TWN-20 (-ADJ)TWN-24 (-ADJ)©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 53* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing Bearings and Pillow Blocksfor Continuously Supported ApplicationsSuper Ball Bushing* Bearings (Open Type)Features:• Available in sizes 1 ⁄2-2 inch• Can be mounted in customizeddiameter.housing.• Load capacity ranges from 230 to • Travel speeds up to 10 ft/s.2,350 lb f .• Available with corrosion resistant• Self-aligning in all directions.components.• Can be adjusted to take outdiametrical clearance.Sealed Super Ball Bushing Bearings (Open Type)Features:• Standard integral double acting seals • Self-aligning in all directions.retain lubrication and keep out • Can be adjusted to take outcontaminants.diametrical clearance.• Available in sizes 1 ⁄2, 3 ⁄4 and 1 inch • Can be mounted in customizeddiameter.housing.• Load capacity ranges from 230 to • Travel speeds up to 10 ft/s.780 lb f .• Available with corrosion resistantcomponents.Super Ball Bushing Pillow Blocks (Open Type)Features:• Available in sizes 1 ⁄2-2 inch diameter. • Available with corrosion resistant• Load capacity ranges from 230 to components.2,350 lb f .• Easily mounted and secured with• Self-aligning in all directions.four mounting bolts.• Can be adjusted to take out• Available with standard lubricationdiametrical clearance.access. Sizes .25, .375 and .500• Travel speeds up to 10 ft/s.have oil lubricant fitting. Sizes .625• Standard integral double acting seals and above have 1 ⁄4-28 access forretain lubrication and keep outlubrication.contaminants.Super Ball Bushing Twin Pillow Blocks (Open Type)Features:• Available in sizes 1 ⁄2-1 1 ⁄2 inch diameter.• Load capacity ranges from 460 to3,120 lb f .• Can be adjusted to take outdiametrical clearance.• Available with corrosion resistantcomponents.• Standard integral double acting sealsretain lubrication and keep outcontaminants.• Easily mounted and secured with fourmounting bolts.• Maximum travel speeds up to 10 ft/s.• Available with standard lubricationaccess. Sizes .25, .375 and .500 haveoil lubricant fitting. Sizes .625 andabove have 1 ⁄4-28 access forlubrication.• Built-in lubrication wick for continuouslubrication.Page 54©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Shafting (PreDrilled)for Continuously Supported ApplicationsSuper Ball Bushing BearingSolid 60 Case* LinearRace* Shafting with Mounting Holes Features:• Radial drilled and tapped holes ready • Available in corrosion resistant 440Cfor immediate use with standard hole stainless steel (50 HRC minimum).spacing to match standard 60 Case • Available with Preplate chrome option.LinearRace support rails.• Standard straightness .001 inch per• Diameter range between 1 ⁄2 and foot cumulative (.002 TIR) with4 inch.special straightness at .0005 inch• Surface finish 12 R a microinch.per foot cumulative (.001 TIR)• Hardness 60 HRC minimum.available.• Roundness 80 millionths of an inch.60 Case Tubular Lite LinearRace Shafting with Mounting Holes Features:• Hollow design reduces weight and • Roundness 80 millionths of an inch.inertia.• Case hardness 60 HRC minimum.• Radial drilled and tapped holes ready • Surface finish 12 R a microinch.for immediate use.• Available with Preplate chrome option.• Standard hole spacing to match • Standard straightness .001 inch perstandard 60 Case LinearRacefoot cumulative (.002 TIR) withsupport rails.special straightness at .0005 inch• Diameter range between 1 1 ⁄2 and per foot cumulative (.001 TIR)4 inch.available.SUPER60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsLSR Low Profile 60 Case LinearRace Support RailFeatures:• Diameter range between 1 ⁄2 and 4 inch. • Low Profile design.• Available with standard mounting holes for • Unlimited travel lengths.immediate use.• Available without mounting holes forcustom hole spacing.SR 60 Case LinearRace Support RailSRA 60 Case LinearRace Support Rail AssemblyFeatures:• Diameter range between 1 ⁄2 and 2 inch.• Available with standard mounting holes forimmediate use.• Available without mounting holes forcustomized hole spacing.• Available as a pre-engineered, ready toinstall assembly.• Light weight, high strength aluminumalloy rail.• Unlimited travel lengths.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 55* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comPart Number Description and Specification:Super Ball Bushing* Bearings (Open Type)for Continuously Supported ApplicationsSUPER 16-OPN-CRTypeSUPERDescriptionSuper Ball Bushing bearingsSize8101216202432NominalDiameter.500.625.7501.0001.2501.5002.000TypeOPNOption–CRDDNBDPDescriptionStandardCorrosion ResistantIntegral SealsNylon BallsDry PackedDescriptionOpen Type for continuously supportedapplicationSuper Ball Bushing Pillow Blocks (Open Type)for Continuously Supported ApplicationsSPB 16-OPN-CRTypeSPBTWNDescriptionSuper Ball Bushing Pillow BlocksSuper Ball Bushing Twin Pillow BlocksSize8101216202432NominalDiameter.500.625.7501.0001.2501.5002.000TypeOPNOption–CRNBDescriptionStandardCorrosion ResistantNylon BallsDescriptionOpen Type for continuouslysupported applicationPage 56©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing BearingPart Number Description and Specification:60 Case* LinearRace* Shafting (PreDrilled)for Continuously Supported Applications1 L-PD-SS-CTLSize1/25/83/411 1/41 1/22NominalDiameter.500.625.7501.0001.2501.5002.000ClassLTypePDDescriptionPreDrilledOption–SSCPPETypeCTLRLSMDescriptionCut To LengthRandom LengthSpecial MachinedDescriptionStandard Carbon Steel440C Stainless SteelChrome Plated w/ Plain EndsSUPER60 Case LinearRace ShaftingPart Number Part Number Part Number60 CaseSolidLinearRace60 CaseLinearRaceDiameterClass LMax.Lengthin.StainlessSteel60 CaseLinearRaceMax.Lengthin.60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsChromePlated60 CaseLinearRace1/2 L PD .4995/.4990 168 –– –– 1/2 L PDCPPE 1685/8 L PD .6245/.6240 178 5/8 L PD SS 178 5/8 L PDCPPE 1783/4 L PD .7495/.7490 178 3/4 L PD SS 178 3/4 L PDCPPE 1781 L PD .9995/.9990 178 1 L PD SS 178 1 L PDCPPE 1781 1/4 L PD 1.2495/1.2490 178 1 1/4 L PD SS 178 1 1/4 L PDCPPE 1781 1/2 L PD 1.4994/1.4989 178 1 1/2 L PD SS 178 1 1/2 L PDCPPE 1782 L PD 1.9994/1.9987 178 2 L PD SS 178 2 L PDCPPE 178Max.Lengthin.TypeLSRSRDescriptionLow Profile 60 CaseLinearRace Support Rail60 Case LinearRaceSupport RailSR-16-PD x LengthSRA-16-SS x LengthType–PDDescriptionw/o PreDrilled holeswith PreDrilled holesTypeSRADescription60 Case LinearRaceSupport Rail AssemblySize8101216Nom.Dia..500.625.7501.000Size202432Nom.Dia.1.2501.5002.000Type–SSTUCPDescriptionStandard AssemblyWith stainless steel60 Case LinearRaceWith Tubular Lite60 Case LinearRaceWith PrePlate Chrome60 Case LinearRace©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 57* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing Bearings (Open Type)for Continuously Supported ApplicationsSUPER 8-OPN.125"C2C1DSUPER 10-OPNPTHOMSON SUPER OPTHOMSON SUPER ONN15ºC2C1DESUPER 12-OPN thruSUPER 32-OPNRoll PinFC2GCC1N1ERoll PinFGCPTHOMSON SUPER ONDdTERoll PinFGCXYSuper Ball Bushing Bearings (Open Type) and 60 Case LinearRaceBall BushingBearingSUPER8OPNSUPER10OPNSUPER12OPNSUPER16OPNSUPER20OPNSUPER24OPNSUPER32OPNPart Number (2)60 Case SolidLinearRaceshafting1/2 L PD5/8 L PD3/4 L PD1 L PD1 1/4 L PD1 1/2 L PD2 L PDNominalDiameter.500.625.7501.0001.2501.5002.000LengthC1.250/.12301.500/1.4801.625/1.6052.250/2.2302.625/2.6003.000/2.9704.000/3.960DistanceBetweenRetainingRingsC11.032/1.0121.105/1.0951.270/1.2501.884/1.8642.004/1.9842.410/2.3903.193/3.163Ret.RingGroovemin.C2.050.056.056.070.068.086.105Min.SlotWidthE.31.37.43.56.62.751.00Retention HoleDia.F.14.11.14.14.20.20.27Loc.G.63.13.13.13.19.19.31Angledeg15151515151515NumberofBallCircuits4455555BallBushingBearingMasslb.04.08.12.21.38.711.2060 CaseLinearRaceMinimumDepth ofHardness.04.04.06.08.08.08.10(Dimensions in inches)60 CaseSolidLinearRaceMasslb/in.06.09.13.22.35.50.8960 CaseLinearRaceMounting HolesX4466688Y2233344N1#6-32#8-32#10-321 ⁄4-205 ⁄16-183 ⁄8-161 ⁄2-13Part Number (2)BallBushingBearingSUPER8OPNSUPER10OPNSUPER12OPNSUPER16OPNSUPER20OPNSUPER24OPNSUPER32OPNWorkingBoreDiameterT.5000/.4995.6250/.6245.7500/.74951.0000/.99951.2500/1.24941.5000/1.49942.0000/1.9992Recommended HousingBore DiameterFixedD.8755/.87501.1255/1.12501.2505/1.25001.5630/1.56252.0008/2.00002.3760/2.37503.0010/3.0000AdjustableD.8760/.87501.1260/1.12501.2510/1.25001.5635/1.56252.0010/2.00002.3760/2.37503.0010/3.0000Load/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)60 CaseLinearRaceDiameterd.4995/.4990.6245/.6240.7495/.7490.9995/.99901.2495/1.24901.4994/1.49891.9994/1.9987Ball Bushing Bearing/LinearRace Fit Up ‡Fixed DiameterHousing.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000.0018C/.0001P.0021C/.0000.0023C/.0002PAdjustableDiameter Housing(Before Adjustment).0020C/.0000.0020C/.0000.0020C/.0000.0020C/.0000.0020C/.0001P.0021C/.0000.0023C/.0002P‡ P=Preload, C=ClearanceDynamic (1)LoadCapacitylb f230320470780117015602350Load Load on on most most heavily heavily loaded loaded bearing bearing (lb (lbf) f )30001000100101 10 100 1000Required Travel Life (millions of inches)Super 32 OPNSuper 24 OPNSuper 20 OPNSuper 16 OPNSuper 12 OPNSuper 10 OPNSuper 8 OPNDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing size enterthe chart with the maximum load of the most heavilyloaded bearing and the required travel life. Mark wherethe two lines intersect. All Ball Bushing bearing sizes thatpass through or above and to the right of this point maybe suitable for this application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graph to theright.Page 58©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing Bearing60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1AMLSR-PD with PreDrilled mounting holes.Y X N248 in. Standard Length20ºTYP12ºTYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace* Support RailsLSRStandardWithoutHolesLSR-8LSR-10LSR-12LSR-16LSR-20LSR-24LSR-32LSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-10-PDLSR-12-PDLSR-16-PDLSR-20-PDLSR-24-PDLSR-32-PDNominalLinearRaceDiameterd.500.625.7501.0001.2501.5002.000H±.002.562.687.7501.0001.1871.3751.750H1.34.41.42.56.63.70.85A.37.45.51.69.78.931.18M.25.31.38.50.56.69.88Mounting HolesN2Hole.17.19.22.28.34.41.53(Dimensions in inches)N1Bolt#6-32#8-32#10-321 ⁄4-205 ⁄16-183 ⁄8-161 ⁄2-13X4466688Y2233344LSRMasslb/ft.32.49.591.011.271.682.5920ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-10SR-12SR-16SR-20SR-24SR-32SR-PDWithPreDrilledHolesSR-8-PDSR-10-PDSR-12-PDSR-16-PDSR-20-PDSR-24-PDSR-32-PDAssy.W/SolidLinearRaceSRA-8SRA-10SRA-12SRA-16SRA-20SRA-24SRA-32Nom.LinearRaceDia.d.500.625.7501.0001.2501.5002.000(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(2)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 57.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 56 and 57.Note: For additional technical data, see Engineering Support Appendix.H±.0021.1251.1251.5001.7502.1252.5003.250H1.19.25.25.25.31.38.50StandardWithoutHolesA1.501.631.752.132.503.003.75A1±.002.750.813.8751.0631.2501.5001.875StandardWithPreDrilledHolesE1.001.131.251.501.882.252.75M.25.31.38.50.56.69.88Hole.17.19.22.28.34.34.41AssemblyWith Solid60 CaseLinearRaceN3Bolt#6#8#101 ⁄45 ⁄165 ⁄163 ⁄8(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .88#8-32 x .88#10-32 x 1.251 ⁄4-20 x 1.505 ⁄16-18 x 1.753 ⁄8-16 x 2.001 ⁄2-13 x 2.50StandardSingle PieceLength (2)inX4466688Y2233344SRMasslb/ft.60.801.001.402.102.604.20MaximumSingle PieceLength (2)inLSR LSR-PD – 48 96SR SR-PD SRA 24 72SUPERPolar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0SUPER 8-OPNSUPER 10-OPNSUPER 12-OPNSUPER 16-OPNSUPER 20-OPNSUPER 24-OPNSUPER 32-OPN©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 59* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball BushingSealed Super Ball Bushing Bearing(Open Type) for Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSUPER 8-OPN-DD.125"C2C1DSUPER 10-OPN-DD15ºC2C1DERoll PinSUPER 12-OPN-DD &SUPER 16-OPN-DDFC2GCC1N1ERoll PinFGCDdTERoll PinFGCXYSealed Super Ball Bushing* Bearings (Open Type, seal at both ends) and 60 Case* LinearRace*Part Number (3)BallBushingBearingSUPER 8-OPN-DDSUPER 10-OPN-DDSUPER 12-OPN-DDSUPER 16-OPN-DDPart Number (3)BallBushingBearingSUPER 8-OPN-DDSUPER 10-OPN-DDSUPER 12-OPN-DDSUPER 16-OPN-DD60 CaseLinearRace1/2 L PD5/8 L PD3/4 L PD1 L PDNominalDiameter.500.625.7501.000WorkingBoreDiameterT.5000/.4995.6250/.6245.7500/.74951.0000/.9995LengthC1.500/1.4601.750/1.7101.875/1.8352.625/2.585DistanceBetweenRetainingRing GroovesC11.032/1.0121.105/1.0951.270/1.2501.884/1.864FixedD.8755/.87501.1255/1.12501.2505/1.25001.5630/1.5625Ret.RingGroovemin.C2.050.056.056.070Min.SlotWidthE.31.37.43.56Recommended HousingBore DiameterAdjustableD.8760/.87501.1260/1.12501.2510/1.25001.5635/1.5625Retention HoleLoad/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)Dia.F.14.11.14.14Loc.G.750.250.250.313Angledeg1515151560 CaseLinearRaceDiameterToleranced.4995/.4990.6245/.6240.7495/.7490.9995/.9990(Dimensions in inches)Ball 60 Case 60 Case 60 CaseNumber Bushing LinearRace Solid LinearRaceof Bearing Minimum LinearRace Mounting HolesBall Mass Depth of MassCircuits lb Hardness lb/in X Y N14 .03 .04 .06 4 2 #6-324 .08 .06 .09 4 2 #8-325 .12 .06 .13 6 3 #10-325 .21 .08 .22 6 31 ⁄4-20Ball Bushing Bearing/LinearRace Fit Up ‡Fixed DiameterHousing.0015C/.0000.0015C/.0000.0015C/.0000.0015C/.0000AdjustableDiameter Housing(Before Adjustment).002C/.0000.002C/.0000.002C/.0000.002C/.0000‡ P=Preload, C=ClearanceDynamic (1)LoadCapacitylb f230320470780Load on most heavily loaded bearing (lbf)100010010Super 16-OPN-DDSuper 12-OPN-DDSuper 10-OPN-DDSuper 8-OPN-DD1 10 100 1000Required Travel Life (millions of inches)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 60©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comLSRStandardWithoutHolesLSR-8LSR-10LSR-12LSR-16Super Ball Bushing Bearing60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1AMLSR-PD with PreDrilled mounting holes.Y X N248 in. Standard Length20ºTYP12ºTYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace* Support RailsLSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-10-PDLSR-12-PDLSR-16-PDNominalLinearRaceDiameterd.500.625.7501.000H±.002.562.687.7501.000H1.34.41.42.56A.37.45.51.69M.25.31.38.50Mounting HolesNHole.17.19.22.28(Dimensions in inches)N1Bolt#6-32#8-32#10-321 ⁄4-20X4466Y2233LSRMasslb/ft.32.49.591.0120ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-10SR-12SR-16SR-PDWithPreDrilledHolesSR-8-PDSR-10-PDSR-12-PDSR-16-PDAssy.W/SolidLinearRaceSRA-8SRA-10SRA-12SRA-16Nom.LinearRaceDia.d.500.625.7501.000H±.0021.1251.1251.5001.750H1.19.25.25.25A1.501.631.752.13A1±.002.750.813.8751.063E1.001.131.251.50M.25.31.38.50Hole.17.19.22.28N3Bolt#6#8#101 ⁄4(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .88#8-32 x .88#10-32 x 1.251 ⁄4-20 x 1.50X4466Y2233SRMasslb/ft.60.801.001.40SUPER(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(2)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 57.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 56 and 57.Note: For additional technical data, see Engineering Support Appendix.StandardWithoutHolesStandardWithPreDrilledHolesAssemblyWith Solid60 CaseLinearRaceStandardSingle PieceLength (2)inMaximumSingle PieceLength (2)inLSR LSR-PD – 48 96SR SR-PD SRA 24 72Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0SUPER 8-OPN-DDSUPER 10-OPN-DDSUPER 12-OPN-DDSUPER 16-OPN-DD©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 61* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingSuper Ball Bushing Pillow Blocks(Open Type) for Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comSPB-OPN End viewSPB-OPN Side viewAE1F1BEHH1A1E230ºA2Retention PinAdjustingScrewGG1NXAccess forLubrication †N1Yd† Size .500 has oil lubricant fitting.Sizes .625 and above have 1 ⁄4-28access for lubrication.Super Ball Bushing* Pillow Blocks (Open Type, seal at both ends) and 60 Case* LinearRace*Part Number (3)H H1 A A1 A2 BSuper BallBushingPillow BlockSPB-8-OPNSPB-10-OPNSPB-12-OPNSPB-16-OPNSPB-20-OPNSPB-24-OPNSPB-32-OPN60 CaseLinearRace1/2 L PD5/8 L PD3/4 L PD1 L PD1 1/4 L PD1 1/2 L PD2 L PDNominalDiameter.500.625.7501.0001.2501.5002.000±.003.687.875.9371.1871.5001.7502.1251.131.441.562.002.562.943.632.002.502.753.254.004.756.00.69.88.941.191.501.752.25.75.941.001.251.631.882.441.501.751.882.633.383.754.7560 CaseLinearRaceMinimumDepth ofHardness.04.04.06.08.08.08.1060 CaseSolidLinearRaceMasslb/in.06.09.13.22.35.50.89(Dimensions in inches)60 CaseLinearRaceMounting HolesX4466688Y2233344N1#6-32#8-32#10-32⁄4-20⁄16-18⁄8-16⁄2-13Part Number (3)Super BallBushingPillow BlockSPB-8-OPNSPB-10-OPNSPB-12-OPNSPB-16-OPNSPB-20-OPNSPB-24-OPNSPB-32-OPN60 CaseLinearRaceDiameterd.4995/.4990.6245/.6240.7495/.7490.9995/.99901.2495/1.24901.4994/1.49891.9994/1.9987E±.0101.0001.1251.2501.7502.0002.5003.250E1±.0101.6882.1252.3752.8753.5004.1255.250E2Min..31.37.43.56.62.751.00F1.25.28.31.38.44.50.63G.69.421.081.371.732.032.50G1.75.53.55.761.051.121.44NHole.16.19.19.22.22.28.41NN1Bolt#6#8#8#10#10.25.38PillowBlockMasslb.2.4.51.02.13.26.0Dynamic (1)LoadCapacitylb f230320470780117015602350Load/Life Graph (Lines indicate limiting load for given Ball Bushing Pillow Block)Load on most heavily loaded bearing (lbf)30001000100101 10 100 1000Required Travel Life (millions of inches)SPB-32-OPNSPB-24-OPNSPB-20-OPNSPB-16-OPNSPB-12-OPNSPB-10-OPNSPB-8-OPNDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All Ball Bushingbearing sizes that pass through or above and to theright of this point may be suitable for this application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graph tothe right.Page 62©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comLSRStandardWithoutHolesLSR-8LSR-10LSR-12LSR-16LSR-20LSR-24LSR-32Super Ball Bushing Bearing60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1AMLSR-PD with PreDrilled mounting holes.Y X N248 in. Standard Length20ºTYP12ºTYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace*Support RailsLSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-10-PDLSR-12-PDLSR-16-PDLSR-20-PDLSR-24-PDLSR-32-PDNominalLinearRaceDiameterd.500.625.7501.0001.2501.5002.000H±.002.562.687.7501.0001.1871.3751.750H1.34.41.42.56.63.70.85A.37.45.51.69.78.931.18M.25.31.38.50.56.69.88Mounting HolesN2Hole.17.19.22.28.34.41.53(Dimensions in inches)N1Bolt#6-32#8-32#10-321 ⁄4-205 ⁄16-183 ⁄8-161 ⁄2-13X4466688Y2233344LSRMasslb/ft.32.49.591.011.271.682.5920ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-10SR-12SR-16SR-20SR-24SR-32SR-PDWithPreDrilledHolesSR-8-PDSR-10-PDSR-12-PDSR-16-PDSR-20-PDSR-24-PDSR-32-PDAssy.W/SolidLinearRaceSRA-8SRA-10SRA-12SRA-16SRA-20SRA-24SRA-32Nom.LinearRaceDia.d.500.625.7501.0001.2501.5002.000H±.0021.1251.1251.5001.7502.1252.5003.250H1.19.25.25.25.31.38.50A1.501.631.752.132.503.003.75A1±.002.750.813.8751.0631.2501.5001.875E1.001.131.251.501.882.252.75M.25.31.38.50.56.69.88Hole.17.19.22.28.34.34.41N3Bolt#6#8#101 ⁄45 ⁄165 ⁄163 ⁄8(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .88#8-32 x .8810-32 x 1.251 ⁄4-20 x 1.505 ⁄16-18 x 1.753 ⁄8-16 x 2.001 ⁄2-13 x 2.50X4466688Y2233344SRMasslb/ft.60.801.001.402.102.604.20SUPER(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(2)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 57.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 56 and 57.Note: For additional technical data, see Engineering Support Appendix.Polar GraphsStandardWithoutHolesStandardWithPreDrilledHolesAssemblyWith Solid60 CaseLinearRaceStandardSingle PieceLength (2)inMaximumSingle PieceLength (2)inLSR LSR-PD – 48 96SR SR-PD SRA 24 72The actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0SPB-8-OPNSPB-10-OPNSPB-12-OPNSPB-16-OPNSPB-20-OPNSPB-24-OPNSPB-32-OPN©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 63* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingSuper Ball Bushing Twin Pillow Blocks(Open Type)for Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comTWN-OPN End viewTWN-OPN Side view† Size .500 has oil lubricant fitting.Sizes .625 and above have 1 ⁄4-28access for lubrication.AE1F1BEHH1E230ºRetention PinAdjustingScrewGG1NAccess forLubrication †XN1YdA1A2Super Ball Bushing* Twin Pillow Blocks (Open Type, seal at both ends) and 60 Case* LinearRace*Part Number (3)H H1 A A1 A2 BSuper BallBushing TwinPillow BlockTWN-8-OPNTWN-10-OPNTWN-12-OPNTWN-16-OPNTWN-20-OPNTWN-24-OPN60 CaseLinearRace1/2 L PD5/8 L PD3/4 L PD1 L PD1 1/4 L PD1 1/2 L PDNominalDiameter.500.625.7501.0001.2501.500±.003.687.875.9371.1871.5001.7501.131.441.562.002.562.942.002.502.753.254.004.75.69.88.941.191.501.75.75.941.001.251.631.883.504.004.506.007.509.0060 CaseLinearRaceMinimumDepth ofHardness.06.06.06.08.08.0860 CaseSolidLinearRaceMasslb/in.06.09.13.22.35.50(Dimensions in inches)60 CaseLinearRaceMounting HolesX446668Y223334N1#6-32#8-32#10-32⁄4-20⁄16-18⁄8-16Part Number (3)Super BallBushing TwinPillow BlockTWN-8-OPNTWN-10-OPNTWN-12-OPNTWN-16-OPNTWN-20-OPNTWN-24-OPN60 CaseLinearRaceDiameterToleranced.4995/.4990.6245/.6240.7495/.7490.9995/.99901.2495/1.24901.4994/1.4989E±.0102.5003.0003.5004.5005.5006.500E1±.011.6882.1252.3752.8753.5004.125E2Min..31.37.43.56.62.75F1.25.28.31.38.44.50G.56.67.941.201.501.75G11.752.002.253.003.754.50Hole.16.19.19.22.22.28NBolt#6#8#8#10#10.25PillowBlockMasslb.4.81.02.04.26.7Dynamic (1)LoadCapacitylb f460640940156023403120Load/Life Graph (Lines indicate limiting load for given Ball Bushing Pillow Block)Load on most heavily loaded bearing (lbf)40001000100101 10 100 1000Required Travel Life (millions of inches)TWN-24-OPNTWN-20-OPNTWN-16-OPNTWN-12-OPNTWN-10-OPNTWN-8-OPNDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All Ball Bushingbearing sizes that pass through or above and to theright of this point may be suitable for this application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graph tothe right.Page 64©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comSuper Ball Bushing Bearing60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1AMLSR-PD with PreDrilled mounting holes.Y X N248 in. Standard Length20ºTYP12ºTYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace* Support RailsLSRStandardWithoutHolesLSR-8LSR-10LSR-12LSR-16LSR-20LSR-24LSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-10-PDLSR-12-PDLSR-16-PDLSR-20-PDLSR-24-PDNominalLinearRaceDiameterd.500.625.7501.0001.2501.500H±.002.562.687.7501.0001.1871.375H1.34.41.42.56.63.70A.37.45.51.69.78.93M.25.31.38.50.56.69Mounting HolesN2Hole.17.19.22.28.34.41(Dimensions in inches)N1Bolt#6-32#8-32#10-321 ⁄4-205 ⁄16-183 ⁄8-16X446668Y223334LSRMasslb/ft.32.49.591.011.271.6820ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-10SR-12SR-16SR-20SR-24SR-PDWithPreDrilledHolesSR-8-PDSR-10-PDSR-12-PDSR-16-PDSR-20-PDSR-24-PDAssy.W/SolidLinearRaceSRA-8SRA-10SRA-12SRA-16SRA-20SRA-24Nom.LinearRaceDia.d.500.625.7501.0001.2501.500H±.0021.1251.1251.5001.7502.1252.500H1.19.25.25.25.31.38A1.501.631.752.132.503.00A1±.002.750.813.8751.0631.2501.500E1.001.131.251.501.882.25M.25.31.38.50.56.69Hole.17.19.22.28.34.34N3Bolt#6#8#101 ⁄45 ⁄165 ⁄16(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .88#8-32 x .88#10-32 x 1.251 ⁄4-20 x 1.505 ⁄16-18 x 1.753 ⁄8-16 x 2.00X446668Y223334SRMasslb/ft.60.801.001.402.102.60SUPER(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(2)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 57.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 56 and 57.Note: For additional technical data, see Engineering Support Appendix.Polar GraphsStandardWithoutHolesStandardWithPreDrilledHolesAssemblyWith Solid60 CaseLinearRaceStandardSingle PieceLength (2)inMaximumSingle PieceLength (2)inLSR LSR-PD – 48 96SR SR-PD SRA 24 72The actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The loadCorrection Factor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph.To determine the actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on theprevious page.K 0K 0TWN-8-OPNTWN-10-OPNTWN-12-OPNTWN-16-OPNTWN-20-OPNTWN-24-OPN©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 65* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Super Ball Bushing BearingCam-Actuated Part Transfer Mechanism forMultiple-Transfer PressObjectiveImprove production rate and increase the service life of atransfer table mechanism.SolutionReplace the conventional linear bearings with AdjustableSuper Ball Bushing* Twin Pillow Blocks. Bearing service lifeincreased to 5 years.Products Specified2 – TWN16-ADJ (Super Ball Bushing Twin Pillow Blocks)4 – ASB16 (60 Case* LinearRace* End Support Blocks)2 – 1 L CTL x 24.00 in (60 Case LinearRace)BenefitsThe table achieved maximum cycle efficiency by reducingcostly downtime and improving service life.Phone: 1-800-554-8466Website: www.thomsonballbushing.comTWN-16-ADJASB161 L CTL x 24.0Page 66©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing BearingPrecision SteelBall Bushing Bearing ProductsThomson Precision Steel BallBushing* Bearing Products offer:• a coefficient of friction as low as .001.When replacing high friction plainbearings, Precision Steel Ball Bushingbearings dramatically improve machineproductivity and efficiency.• all-steel construction, for maximumsystem rigidity.• two accuracy classes allowing forimmediate improvements in systempositioning and repeatability.• availability in fourteen bore sizes and nineconfigurations.• the RoundRail* Advantage whichminimizes installation time and cost.• steady state travel speeds up to 10 ft/sand accelerations to 450 ft/s2 withoutthe use of derating factors.• an operating temperature up to 600º F.• availability in a self-aligning pillow blockhousing for ease of installation and use.• worldwide availability from over 1800authorized distributors.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 67* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing BearingsThe basis for the performance of all Precision SteelBall Bushing* bearings is a simple but ingenioussystem of ball recirculation that permits almostfrictionless, unlimited travel.Adjusting ScrewReplace High Friction Plain BearingsPlain bearings cause friction, stick-slip, binding andchatter. The Precision Steel Ball Bushing bearing’spatented ball recirculation virtually eliminates wearand provides a constant coefficient of friction as lowas .001. This dramatic reduction in friction allows thedesigner to use smaller less expensive drive motors,ball screws, belts, linkages and gears.3ºLasting Precision AlignmentHigh friction plain bearings cause wear resulting in aloss in system alignment and repeatability. EachPrecision Steel Ball Bushing bearing is manufacturedwith high quality bearing steel that is hardened andprecision ground. The rolling elements of each BallBushing bearing are precision ground bearing ballsthat recirculate freely into and out of the load zone.The balls are guided through their recirculation pathby a steel retainer and hardened sleeve. The inherentnon-wear characteristics of each Precision Steel BallBushing bearing assures maximum system accuracyand repeatability.When the Precision Steel Ball Bushing bearingis installed in its standard Pillow Block it willself-align up to 3 degrees in all directions.Hardened andPrecision GroundSleevePrecision Steel Ball Bushing BearingCross-sectionRetainerHigh Travel SpeedsPrecision Steel Ball Bushing can operate at travel ratesas high as 10 ft/s and accelerations as high as 450ft/s2. When replacing inefficient v-way or flat-waysystems, this travel rate capability provides immediateimprovements in machine efficiency and productivity.Ease of InstallationThe Precision Steel Ball Bushing bearing can beretained in a housing, internally or externally. Theretaining ring groove on the outside diameter allowsthe bearing to be captured and retained by an externalretaining ring. If internal retention is required, the BallBushing bearing can be installed in a housing and heldin place with an internal retaining ring.Protection from ContaminationPrecision Steel Ball Bushing bearings most popularsizes are available with double acting integral wipersthat keep out contamination, retain lubrication andmaximize travel life.Page 68©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing BearingPrecision Steel Ball Bushing Bearing ProductsTable of ContentsPrecision Steel Ball Bushing* Bearing Productsfor End Supported Applications.....................................................................................................................70Precision Steel Ball Bushing bearing closed type products havebeen designed for use in end supported applications, wherespanning or bridging a gap is required. End supported productsare available in a variety of configurations and sizes. For acomplete overview of each Precision Steel Ball Bushing bearingend supported product, simply turn to page 70. For completeproduct specifications see the pages referenced below.Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70Part Number Description and Specification . . . . . . . . . . . . . .72End Support Product SpecificationsPrecision Steel Ball Bushing Bearings (Closed Type) . . . . . . . .74Extra Precision Steel Ball Bushing Bearings (Closed Type) . . .76Adjustable Precision Steel Ball Bushing Bearings(Closed Type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78Precision Steel Ball Bushing Pillow Blocks(Closed and Adjustable Type) . . . . . . . . . . . . . . . . . . . . . . . . .80Miniature Instrument Ball Bushing Bearings . . . . . . . . . . . . . .82Die Set Ball Bushing Bearings . . . . . . . . . . . . . . . . . . . . . . . .84Precision Steel Ball Bushing Bearing Productsfor Continuously Supported Applications..................................................................................86Precision Steel Ball Bushing bearing open type products arespecifically designed for use in continuously supportedapplications where rigidity and stiffness are required.Continuously supported products are available in a variety ofconfigurations and sizes. For a complete overview of allPrecision Steel Ball Bushing bearing continuously supportedproducts turn to page 86. For complete product specificationssee the pages referenced below.Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86Part Number Description and Specification. . . . . . . . . . . . . . 88Continuously Supported Product SpecificationsPrecision Steel Ball Bushing Bearings (Open Type) . . . . . . . . 90Precision Steel Ball Bushing BearingPillow Blocks (Open Type). . . . . . . . . . . . . . . . . . . . . . . . . . . 92©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 69* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing Bearings and PillowBlocks for End Supported ApplicationsPrecision Steel Ball Bushing Bearings (Closed type)Features:• Coefficient of friction as low as .001.• Available in corrosion resistant stainless steel• Load capacity range from 19 to 5,000 lbf. for diameters up to 1 inch.• High operating temperature capability. • All steel construction for increased rigidity.• Available in sizes 1⁄4 to 4 inch bore diameter. • Sizes 1⁄2, 3⁄4 and 1 inch available with• Can be mounted in a custom housing.integral, double acting wipers.• Travel speeds up to 10 ft/s.Extra Precision Steel Ball Bushing Bearings (Closed type)• Increased precision for high accuracypositioning and repeatability• Coefficient of friction as low as .001.• Load capacity range from 19 to 5,000 lbf.• High operating temperature capability.• Available in sizes 1⁄4 to 4 inch borediameter.• Can be mounted in a custom housing.• Travel speeds up to 10 ft/s.• Available in corrosion resistant stainless steelfor diameters up to 1 inch.• All steel construction for increased rigidity.• Sizes 1⁄2, 3⁄4 and 1 inch available withintegral, double acting wipers.Adjustable Precision Steel Ball Bushing Bearings (Closed Type)Features:• Adjustment capability provides minimum • Available in sizes 1⁄2 to 4 inch bore60 Case* LinearRace* shaft and bearing diameter.clearance for improvements in positioning • Can be mounted in a custom housing.accuracy and repeatability.• Travel speeds up to 10 ft/s.• Coefficient of friction as low as .001.• All steel construction for increased rigidity.• Load capacity range from 85 to 5,000 lbf. • Available in corrosion resistant stainless steel• High operating temperature capability.for diameters up to 1 inch.Precision Steel Ball Bushing Pillow Blocks (Closed and Adjustable Type)Features:• Coefficient of friction as low as .001.• Easily mounted and secured with four• Load capacity range from 85 to 1,100 lbf. mounting bolts.• High operating temperature capability. • All metal construction for increased rigidity.• Available in sizes 1⁄2 to 2 inch bore diameter. • Available with integral, double acting seals.• Self-aligning for easy installation.• Adjustment capability provides minimum• Travel speeds up to 10 ft/s.60 Case LinearRace and bearing clearance• Pillow Blocks are available with corrosion for improvements in positioning accuracyresistant stainless steel Ball Bushing bearingsup to 1 inch.and repeatability.Miniature Instrument Ball Bushing BearingsFeatures:• Available in sizes 1⁄8, 3⁄16 and 1⁄4 inchbore diameter.• Available with a matched 60 CaseLinearRace• Coefficient of friction as low as .001.• Compact size for low inertia and weight.• Precision bearing balls, sleeve and 60 CaseLinearRace manufactured of corrosionresistant stainless steel.• Load Capacity range between 7 and 19 lbf.Die Set Ball Bushing BearingsFeatures:• Available in sizes 1, 11⁄4, 11⁄2 and 2 inchbore diameter.• Load Capacity range between 350 and1,100 lbf.• All steel construction for maximum rigidity.• Travel speeds up to 10 ft/s.• Easily mounted by simply bolting toe clampsin place.• Can be mounted perpendicular to mountingsurface.• High operating temperature capability.• Coefficient of friction as low as .001.Page 70©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing Bearing60 Case LinearRace Shaftingfor End Supported ApplicationsSolid 60 Case* LinearRace* ShaftingFeatures:• Diameter range between 3⁄16 and4 inch.• Roundness 80 millionths of an inch.• Case hardness 60 HRC minimum.• Surface finish 12 Ra microinch.• Available in corrosion resistant440C stainless steel (50 HRCminimum).60 Case LinearRace SupportsFor End Supported Applications60 Case Tubular Lite* LinearRace ShaftingFeatures:• Hollow inner diameter reducesweight and inertia.• Diameter range between 3⁄4 and4 inch.• Roundness 80 millionths of an inch.• Case hardness 58 HRC minimum.• Surface finish 12 Ra microinch.SB 60 Case LinearRace End Support BlockFeatures:• Size range between 1⁄4 and 2 inch.• Easily secured with two mounting bolts.• Malleable iron alloy for sizes 1⁄2 to 2inch diameter.• Available with PrePlate* chromeoption.• Standard straightness is .001 inchper foot cumulative (.002 TIR) withspecial straightness at .0005 inchper foot cumulative (.001 TIR)available.• Available with Preplate chromeoption.• Standard straightness is .001 inchper foot cumulative (.002 TIR) withspecial straightness at .0005 inchper foot cumulative (.001 TIR)available.• Protected by corrosion resistant coating.• Light weight, high strength aluminumalloy construction for sizes 1⁄4 and 3⁄8inch.ASB Low Profile 60 Case LinearRace End Support BlockFeatures:• Size range between 1⁄4 and 11⁄2 inch.• Low profile design.• Easily secured with two mounting bolts.• Protected by corrosion resistantanodized coating.• Light weight, high strength aluminumalloy construction.FSB Flanged 60 Case LinearRace End Support BlockFeatures:• Available in 1⁄2, 3⁄4, 1 and 11⁄4 inchdiameters.• Flanged mounting surface for easyassembly.• Easily secured with four mounting bolts.• Designed specifically for use with SuperSmart Flanged Pillow Blocks• Protected by corrosion resistant coating.• Light weight, high strength aluminumalloy construction.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 71* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingPart Number Description and Specification:Precision Steel Ball Bushing* Bearings (Closed Type)for End Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comA-162536-DDTypeAXAADJDescriptionPrecision Steel Ball Bushing bearingsExtra Precision Ball Bushing bearingsAdjustable Precision SteelBall Bushing bearingsSize481261014814201018241220261625362032422438483248644060804872966496128NominalDiameter.250.375.500.625.7501.0001.2501.5002.0002.5003.0004.000Option–DDNBDPSSDescriptionStandardWith Integral Wipers( 1 /2 thru 1 1 /2)Nylon BallsDry PackedStainless Steel(up to 1" only)Precision Steel Ball Bushing Pillow Blocks (Closed Type)for End Supported ApplicationsPB - 8 - A- SSTypePBDescriptionPrecision SteelBall Bushing Pillow BlocksSize8101216202432NominalDiameter.500.625.7501.0001.2501.5002.000OptionOption–SSDescriptionDescriptionStandardStainless SteelAADJStandardAdjustable TypePage 72©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing BearingPart Number Description and Specification:60 Case LinearRace for End Supported Applications1 L-SS-CTLNom.Size Dia.1/4 .2503/8 .3751/2 .5005/8 .6253/4 .7501 1.000Part Number Part Number Part Number Part Number Part Number60 CaseSolidLinearRaceNom.Size Dia.1 1/4 1.2501 1/2 1.5002 2.0002 1/2 2.5003 3.0004 4.00060 CaseLinearRaceDiameterClass LMax.Lengthin.ClassSLDDescriptionFor use with A type ball bushingsFor use with XA, Open and AdjustableBall Bushing bearings and Pillow Blocksas well as Super Ball Bushing* bearingsand Super Smart Ball Bushing* bearingsFor use with Die Set Ball BushingbearingsStainlessSteel60 caseLinearRaceMax.Lengthin.ChromePlated60 CaseLinearRaceMax.Lengthin.Option–SS316SSTUCPPECarbon Steel440C Stainless Steel316 Stainless SteelTubular LiteChrome Plated w/Plain Ends60 Case* LinearRace* Class L60 CaseTubular Lite60 CaseLinearRaceMax.Lengthin.TypeCTL- Cut toLengthRL- RandomLengthSM- SpecialMachinedChrome PlatedTubular Lite60 CaseLinearRace1/4 L .2495/.2490 96 1/4 L SS 60 1/4 L CPPE 923/8 L .3745/.3740 180 3/8 L SS 180 3/8 L CPPE 1661/2 L .4995/.4990 180 1/2 L SS 180 1/2 L CPPE 1685/8 L .6245/.6240 180 5/8 L SS 180 5/8 L CPPE 1783/4 L .7495/.7490 204 3/4 L SS 180 3/4 L CPPE 178 3/4 L TU 180 3/4 L TU CPPE 1781 L .9995/.9990 204 1 L SS 180 1 L CPPE 178 1 L TU 180 1 L TU CPPE 1781 1/4 L 1.2495/1.2490 204 1 1/4 L SS 180 1 1/4 L CPPE 1781 1/2 L 1.4994/1.4989 204 1 1/2 L SS 180 1 1/2 L CPPE 178 1 1/2 L TU 180 1 1/2 L TU CPPE 1782 L 1.9994/1.9987 204 2 L SS 180 2 L CPPE 178 2 L TU 180 2 L TU CPPE 1782 1/2 L 2.4993/2.4985 204 2 1/2 L SS 180 2 1/2 L CPPE 178 2 1/2 L TU 180 2 1/2 L TU CPPE 1783 L 2.9992/2.9983 204 – – 3 L CPPE 178 3 L TU 180 3 L TU CPPE 1784 L 3.9988/3.9976 216 – – 4 L CPPE 178 4 L TU 180 4 L TU CPPE 178Max.Lengthin.60 Case LinearRace Class SPart NumberPart Number60 Case LinearRace Class SPart NumberPart Number60 Case LinearRace Class DPart Number60 CaseSolidLinearRace60 CaseLinearRaceDiameterClass SMax.Lengthin.StainlessSteelLinearRaceMax.Lengthin.1/4 S .2490/.2485 96 1/4 S SS 1683/8 S .3740/.3735 168 3/8 S SS 1681/2 S .4990/.4985 168 1/2 S SS 1685/8 S .6240/.6235 180 5/8 S SS 1683/4 S .7490/.7485 180 3/4 S SS 1681 S .9990/.9985 180 1 S SS 16860 CaseSolidLinearRace60 CaseLinearRaceDiameterClass S60 CaseSolidLinearRace60 CaseLinearRaceDiameterClass D60 Case LinearRace Support Blocks for End Supported ApplicationsASB-16Max.Lengthin.StainlessSteelLinearRaceMax.Lengthin.1 1/4 S 1.2490/1.2485 180 1 1/4 S SS 1681 1/2 S 1.4989/1.4984 180 1 1/2 S SS 1682 S 1.9987/1.9980 180 2 S SS 1682 1/2 S 2.4985/2.4977 180 2 1/2 S SS 1683 S 2.9983/2.9974 168 — –4 S 3.9976/3.9964 180 — –Max.Lengthin.1 D 1.0003/1.0000 1801 1/4 D 1.2503/1.2500 1801 1/2 D 1.5003/1.5000 1802 D 2.0003/2.0000 180TypeASBSBFSBDescriptionLow Profile 60 Case LinearRace End Support BlockStandard 60 Case LinearRace End Support BlockFlanged 60 Case LinearRace End Support BlockNom.Size Dia.4 .2506 .3758 .500Nom.Size Dia.10 .62512 .75016 1.000©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Nom.Size Dia.20 1.25024 1.50032 2.000Page 73* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Product NamePrecision Steel Ball Bushing Bearings(Closed Type) for End Supported ApplicationsdC2C1DdPhone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case SolidLinearRaceCSizes .250 thru 1.00 available in Corrosion Resistant Stainless SteelTdD160 Case Tubular LiteLinearRacePrecision Steel Ball Bushing* Bearings (Closed Type) and 60 Case* LinearRace*(Dimensions in inches)Part Number (2)Distance Ret.60 Case 60 Case 60 CasePrecision SteelBetween Ring No.Solid Tubular Lite Tubular LiteBall Bushing BearingRetaining Groove ofLinearRace LinearRace LinearRace60 Case Nom. Length Grooves min. BallMass Mass IDw/o Seals With Seals LinearRace Dia. C C1 C2 Circ. Dlb/in lb/in D1A-4812 –1/4 L .250 .750/.735 .515/.499 .039 3 .5000/.4996 .01 – –A-61014 – 3/8 L .375 .875/.860 .640/.624 .039 4 .6250/.6246 .03 – –A-81420 A-81420-DD 1/2 L .500 1.250/1.235 .967/.951 .046 4 .8750/.8746 .06 – –A-101824 – 5/8 L .625 1.500/1.485 1.108/1.092 .056 4 1.1250/1.1246 .09 – –A-122026 A-122026-DD 3/4 L .750 1.625/1.610 1.170/1.154 .056 5 1.2500/1.2496 .13 .08 .46/.41A-162536 A-162536-DD 1 L 1.000 2.250/2.235 1.759/1.741 .068 5 1.5625/1.5621 .22 .16 .62/.56A-203242 – 1 1/4 L 1.250 2.625/2.605 2.009/1.991 .068 6 2.0000/1.9995 .35 – –A-243848 – 1 1/2 L 1.500 3.000/2.980 2.415/2.397 .086 6 2.3750/2.3745 .50 .33 .93/.84A-324864 – 2 L 2.000 4.000/3.980 3.195/3.177 .103 6 3.0000/2.9994 .89 .54 1.31/1.18A-406080 – 2 1/2 L 2.500 5.000/4.975 3.978/3.958 .120 6 3.7500/3.7492 1.39 .75 1.84/1.66A-487296 – 3 L 3.000 6.000/5.970 4.728/4.708 .120 6 4.5000/4.4990 2.00 1.11 2.20/1.80A-6496128 – 4 L 4.000 8.000/7.960 6.265/6.235 .139 6 6.0000/5.9988 3.56 1.56 3.30/2.70Part Number (2)Precision SteelWorkingBall Bushing BearingBoreDiameterw/o Seals With Seals TA-4812 – .2500/.2495A-61014 – .3750/.3745A-81420 A-81420-DD .5000/.4995A-101824 – .6250/.6245A-122026 A-122026-DD .7500/.7495A-162536 A-162536-DD 1.0000/.9995A-203242 – 1.2500/1.2494A-243848 – 1.5000/1.4994A-324864 – 2.0000/1.9992A-406080– 2.5000/2.4990A-487296 – 3.0000/2.9988A-6496128 – 4.0000/3.9980Load on most heavily loaded bearing (lbf)500100101A-162536A-122026A-101824A-81420A-61014A-48121 10 100 1000Required Travel Life (millions of inches)Normal Fit.5005/.5000.6255/.6250.8755/.87501.1255/1.12501.2505/1.25001.5630/1.56252.0010/2.00002.3760/2.37503.0010/3.00003.7510/3.75004.5010/4.50006.0010/6.0000RecommendedHousing BorePress Fit.4995/.4990.6245/.6240.8745/.87401.1245/1.12401.2495/1.24901.5620/1.56151.9993/1.99832.3743/2.37332.9992/2.9982Not NormallyRecommendedLoad/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)Load on most heavily loaded bearing (lbf)50001000100501 10 100 1000Required Travel Life (millions of inches)A-6496128A-487296A-406080A-324864A-243848A-20324260 CaseLinearRaceDiameterd.2490/.2485.3740/.3735.4990/.4985.6240/.6235.7490/.7485.9990/.99851.2490/1.24851.4989/1.49841.9987/1.99802.4985/2.49772.9983/2.99743.9976/3.9964Precision SteelBall BushingBearing/LinearRaceFit Up ‡.0015C/.0005C.0015C/.0005C.0015C/.0005C.0015C/.0005C.0015C/.0005C.0015C/.0005C.0015C/.0004C.0016C/.0005C.0020C/.0005C.0023C/.0005C.0026C/.0005C.0036C/.0004CPrecision SteelBall BushingBearingMasslb.02.06.08.16.21.381.101.432.755.509.5020.20Dynamic (1)LoadCapacitylb f1937851502003505207701100180026005000‡ P=Preload, C=ClearanceDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing size enter the chartwith the maximum load of the most heavily loaded bearing andthe required travel life. Mark where the two lines intersect. All BallBushing bearing sizes that pass through or above and to the rightof this point may be suitable for this application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximum appliedload/K 0*Where K 0 can be determined from the Polar Graph to the right.Page 74©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsH1Type SB LinearRace Support BlockHA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.BdPart (2)No.NominalLinearRaceDiameterdPrecision Steel Ball Bushing BearingType SB 60 Case* LinearRace* End Support BlocksH H1 H2 A A2±.002(Dimensions in inches)E N N3SB-4SB-6.250.375.687.7501.061.19.25.251.501.63.63.69.50.561.1251.250.16.16#6#6.03.05SB-8 .500 1.000 1.63 .25 2.00 .75 .63 1.500 .19 #8 .30SB-10 .625 1.000 1.75 .31 2.50 .88 .69 1.880 .22 #10 .40SB-12 .750 1.250 2.13 .31 2.75 1.00 .75 2.000 .22 #10 .50SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .28 .25 1.00SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .34 .31 2.00SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .34 .31 2.60SB-32 2.000 2.500 4.50 .63 6.00 2.63 1.50 4.500 .41 .38 4.80B±.010HoleBoltWt.lbType ASB LinearRace Support BlockH1HEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace End Support BlocksH H1 A A1NominalLinearRaceDiameterd.250Part (2)No.±.001±.001Hole BoltWt.lbASB-4ASB-6 .375.500.562.881.001.501.62.750.813.50.561.121.25.16.16#6#6.06.08ASB-8 .500 .875 1.48 2.00 1.000 .63 1.50 .19 #8 .11ASB-12 .750 1.125 1.95 2.50 1.250 .75 2.00 .22 #10 .22ASB-16 1.000 1.375 2.48 3.25 1.625 1.00 2.50 .28 .25 .44ASB-24 1.500 2.000 3.50 4.75 2.375 1.25 3.50 .34 .31 1.16B(Dimensions in inches)E N N3Type FSB Flanged LinearRace Support BlockBBACA C FGMaterial: Aluminum AlloyDEJType FSB Flanged 60 Case LinearRace End Support BlocksA B C D E FPartNo.NominalLinearRaceDiameterd.500.7501.0001.250±.010FSB-8 1.63 .81 1.250 .88FSB-12 2.38 1.19 1.750 1.00FSB-16 2.75 1.38 2.125 1.25FSB-20 3.13 1.56 2.375 1.38(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by the orientation of the bearingor the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 72 and 73.Note: Precision Steel Ball Bushing bearings are available in corrosion resistant stainless steel in diameters up to 1 inch. Dynamic load ratings are reduced by 30%when using stainless steel Ball Bushing bearings. See Engineering Support Appendix page 136. For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.KK 0K 0K 00A-406080A-487296A-6496128.50.63.63.751.001.251.501.75(Dimensions in inches)G JMassHole Boltlb.18 #8 .25 .3.21 #10 .31 .6.27.271 ⁄4⁄4.31.38.8.9A-4812A-61014A-81420A-101824A-122026A-162536A-203242A-243848A-324864©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 75* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingExtra Precision Steel Ball Bushing Bearings(Closed Type) for End Supported ApplicationsdC2C1DdPhone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case SolidLinearRaceCSizes .250 thru 1.00 available in Corrosion Resistant Stainless SteelTdD160 Case Tubular LiteLinearRaceExtra Precision Steel Ball Bushing Bearings (Closed Type) and 60 Case* LinearRace*(Dimensions in inches)Part Number (2) Distance Ret.60 Case 60 Case 60 CaseExtra Precision SteelBetween Ring No.Solid Tubular Lite Tubular LiteBall Bushing BearingRetaining Groove ofLinearRace LinearRace LinearRace60 Case Nom. Length Grooves min. BallMass Mass IDw/o Wipers With Wipers LinearRace Dia. C C1 C2 Circ. Dlb/in lb/in D1XA-4812 – 1/4 L .250 .750/.735 .515/.499 .039 3 .5000/.4996 .01 – –XA-61014 – 3/8 L .375 .875/.860 .640/.624 .039 4 .6250/.6246 .03 – –XA-81420 XA-81420-DD 1/2 L .500 1.250/1.235 .967/.951 .046 4 .8750/.8746 .06 – –XA-101824 – 5/8 L .625 1.500/1.485 1.108/1.092 .056 4 1.1250/1.1246 .09 – –XA-122026 XA-122026-DD 3/4 L .750 1.625/1.610 1.170/1.154 .056 5 1.2500/1.2496 .13 .08 .46/.41XA-162536 XA-162536-DD 1 L 1.000 2.250/2.235 1.759/1.741 .068 5 1.5625/1.5621 .22 .16 .62/.56XA-203242 – 1 1/4 L 1.250 2.625/2.605 2.009/1.991 .068 6 2.0000/1.9995 .35 ––XA-243848 – 1 1/2 L 1.500 3.000/2.980 2.415/2.397 .086 6 2.3750/2.3745 .50 .33 .93/.84XA-324864 – 2 L 2.000 4.000/3.980 3.195/3.177 .103 6 3.0000/2.9994 .89 .54 1.31/1.18XA-406080 – 2 1/2 L 2.500 5.000/4.975 3.978/3.958 .120 6 3.7500/3.7492 1.39 .75 1.84/1.66XA-487296 – 3 L 3.000 6.000/5.970 4.728/4.708 .120 6 4.5000/4.4990 2.00 1.11 2.20/1.80XA-6496128 – 4 L 4.000 8.000/7.960 6.265/6.235 .139 6 6.0000/5.9988 3.56 1.56 3.30/2.70RecommendedPart Number (2)Housing Bore DiameterPrecision Steel Precision SteelExtra Precision SteelWorkingD60 Case Ball Bushing Ball Bushing Dynamic (1)Ball Bushing BearingBoreLinearRace Bearing/ BearingLoadDiameterDiameter LinearRace Mass Capacityw/o Seals With Seals TNormal Fit Press FitdFit Up ‡lblb fXA-4812 –.2500/.2497 .5005/.5000 .4995/.4990 .2495/.2490 .0010C/.0002C .0219XA-61014 –.3750/.3747 .6255/.6250 .6245/.6240 .3745/.3740 .0010C/.0002C .0637XA-81420 XA-81420-DD .5000/.4997 .8755/.8750 .8745/.8740 .4995/.4990 .0010C/.0002C .0885XA-101824 –.6250/.6247 1.1255/1.1250 1.1245/1.1240 .6245/.6240 .0010C/.0002C .16150XA-122026 XA-122026-DD .7500/.7497 1.2505/1.2500 1.2495/1.2490 .7495/.7490 .0010C/.0002C .21200NotXA-162536 XA-162536-DD 1.0000/.9997 1.5630/1.5625 1.5620/1.5615 .9995/.9990 .0010C/.0002C .38350NormallyXA-203242 – 1.2500/1.2496 2.0010/2.0000 Recommended1.9993/1.9983 1.2495/1.2490 .0010C/.0001C 1.10520XA-243848 – 1.5000/1.4996 2.3760/2.3750 2.3743/3.3733 1.4994/1.4989 .0011C/.0002C 1.43770XA-324864 – 2.0000/1.9996 3.0010/3.0000 2.9992/2.9982 1.9994/1.9987 .0013C/.0002C 2.751100XA-406080 – 2.5000/2.4995 3.7510/3.7500 2.5000/2.4990 2.4993/2.4985 .0015C/.0002C 5.501800XA-487296 – 3.0000/2.9994 4.5010/4.5000 Not Normally 2.9992/2.9983 .0017C/.0002C 9.502600XA-6496128 – 4.0000/3.9990 6.0010/6.0000 Not Normally 3.9988/3.9976 .0024C/.0002C 20.205000Load/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)Load on most heavily loaded bearing (lbf)500100101XA-162536XA-122026XA-101824XA-81420XA-61014XA-48121 10 100 1000Required Travel Life (millions of inches)Load on most heavily loaded bearing (lbf)50001000100501 10 100 1000Required Travel Life (millions of inches)XA-6496128XA-487296XA-406080XA-324864XA-243848XA-203242‡ P=Preload, C=ClearanceDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All Ball Bushingbearing sizes that pass through or above and to theright of this point may be suitable for this application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 76©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsType SB LinearRace Support BlockH1HA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.BdNominalLinearRaceDiameterd.250Precision Steel Ball Bushing BearingType SB 60 Case* LinearRace* End Support BlocksH H1 H2 A A2B(Dimensions in inches)E N N3Part (2)MassNo.±.002±.010 Hole Bolt lbSB-4 .687 1.06 .25 1.50 .63 .50 1.125 .16 #6 .03SB-6 .375 .750 1.19 .25 1.63 .69 .56 1.250 .16 #6 .05SB-8 .500 1.000 1.63 .25 2.00 .75 .63 1.500 .19 #8 .30SB-10 .625 1.000 1.75 .31 2.50 .88 .69 1.875 .22 #10 .40SB-12 .750 1.250 2.13 .31 2.75 1.00 .75 2.000 .22 #10 .50SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .28 .25 1.00SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .34 .31 2.00SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .34 .31 2.60SB-32 2.000 2.500 4.50 .63 6.00 2.63 1.50 4.500 .41 .38 4.80Type ASB LinearRace Support BlockH1HEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace End Support BlocksH H1 A A1Part (2)No.NominalLinearRaceDiameterd.250.375.500.7501.0001.500±.001±.001ASB-4 .500 .88 1.50 .750ASB-6 .562 1.00 1.62 .813ASB-8 .875 1.48 2.00 1.000ASB-12 1.125 1.95 2.50 1.250ASB-16 1.375 2.48 3.25 1.625ASB-24 2.000 3.50 4.75 2.375B.50.56.63.751.001.25(Dimensions in inches)E N N3MassHole Bolt lb1.12 .16 #6 .061.25 .16 #6 .081.50 .19 #8 .112.00 .22 #10 .222.50 .28 .25 .443.50 .34 .31 1.16Type FSB Flanged LinearRace Support BlockADCEBGJA C FBMaterial: Aluminum AlloyType FSB Flanged 60 Case LinearRace End Support BlocksA B C D E FPartNo.NominalLinearRaceDiameterd.500.7501.0001.250±.010FSB-8 1.63 .81 1.250 .88FSB-12 2.38 1.19 1.750 1.00FSB-16 2.75 1.38 2.125 1.25FSB-20 3.13 1.56 2.375 1.38(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by the orientation of the bearingor the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 72 and 73.Note: Precision Steel Ball Bushing bearings are available in corrosion resistant stainless steel in diameters up to 1 inch. Dynamic load ratings are reduced by 30%when using stainless steel Ball Bushing bearings. See Engineering Support Appendix page 136. For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.KK 0K 0K 00 XA-203242XA-243848XA-324864.50.63.63.751.001.251.501.75(Dimensions in inches)G JMassHole Boltlb.18 #8 .25 .3.21 #10 .31 .6.27.271 ⁄4⁄4.31.38.8.9XA-4812XA-61014XA-81420XA-101824XA-122026XA-162536XA-406080XA-487296XA-6496128©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 77* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingAdjustable Precision Steel Ball Bushing Bearingsfor End Supported ApplicationsC2C1EDPhone: 1-800-554-8466Website: www.thomsonballbushing.comd60 Case SolidLinearRacedSizes .250 thru 1.00 available in Corrosion Resistant Stainless SteelCTdD160 Case Tubular LiteLinearRaceAdjustable Precision Steel Ball Bushing Bearings and 60 Case* LinearRace*(Dimensions in inches)Part NumberPrecision SteelDistanceBetweenRetainingRet.RingGrooveMin.SlotNo.of60 CaseLinearRaceMinimum60 CaseSolidLinearRace60 CaseTubular LiteLinearRace60 CaseTubular LiteLinearRaceBall Bushing 60 Case Nom. Length Grooves min. Width Ball Depth of Mass MassIDBearing LinearRace Dia. C C1 C2 E Circ. Hardness lb/in lb/in D1ADJ-81420 1/2 L .500 1.250/1.235 .967/.951 .046 .06 4 .04 .06 – –ADJ-101824 5/8 L .625 1.500/1.485 1.108/1.092 .056 .09 4 .04 .09 – –ADJ-122026 3/4 L .750 1.625/1.610 1.170/1.154 .056 .09 5 .06 .13 .08 .46/.41ADJ-162536 1 L 1.000 2.250/2.235 1.759/1.741 .068 .09 5 .08 .22 .16 .62/.56ADJ-203242 1 1/4 L 1.250 2.625/2.605 2.009/1.991 .068 .09 6 .08 .35 – –ADJ-243848 1 1/2 L 1.500 3.000/2.980 2.415/2.397 .086 .13 6 .08 .50 .33 .93/.84ADJ-324864 2 L 2.000 4.000/3.980 3.195/3.177 .103 .13 6 .10 .89.54 1.31/1.18ADJ-406080 2 1/2 L 2.500 5.000/4.975 3.978/3.958 .120 .13 6 .10 1.39 .75 1.84/1.66ADJ-487296 3 L 3.000 6.000/5.970 4.728/4.708 .120 .13 6 .10 2.00 1.11 2.20/1.80ADJ-6496128 4 L 4.000 8.000/7.960 6.265/6.235 .139 .13 6 .10 3.56 1.56 3.30/2.70Part Number (2)Precision SteelBall BushingBearingWorkingBoreDiameterTRecommendedHousing Bore DiameterDNormal FitADJ-81420ADJ-101824ADJ-122026ADJ-162536ADJ-203242ADJ-243848.5000/.4995.6250/.6245.7500/.74951.0000/.99951.2500/1.24941.5000/1.4994.8755/.87501.1255/1.12501.2505/1.25001.5630/1.56252.0010/2.00002.3760/2.3750.4995/.4990.6245/.6240.7495/.7490.9995/.99901.2495/1.24901.4994/1.4989.08.16.21.381.101.4385150200350520770ADJ-3248642.0000/1.99923.0010/3.00001.9994/1.99872.751100ADJ-406080ADJ-4872962.5000/2.49903.0000/2.99883.7510/3.75004.5010/4.50002.4993/2.49852.9992/2.99835.509.5018002600ADJ-6496128 4.0000/3.99806.0010/6.00003.9988/3.997620.205000Load/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)60 CaseLinearRaceDiameterdPrecision SteelBall BushingBearingMasslbDynamic (1)LoadCapacitylb fLoad on most heavily loaded bearing (lbf)500100101 10 100 1000Required Travel Life (millions of inches)ADJ-162536ADJ-122026ADJ-101824ADJ-81420Load on most heavily loaded bearing (lbf)50001000100501 10 100 1000Required Travel Life (millions of inches)ADJ-6496128ADJ-487296ADJ-406080ADJ-324864ADJ-243848ADJ-203242Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing size enter thechart with the maximum load of the most heavily loadedbearing and the required travel life. Mark where the two linesintersect. All Ball Bushing bearing sizes that pass through orabove and to the right of this point may be suitable for thisapplication.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximum appliedload/K 0*Where K 0 can be determined from the Polar Graph to theright.Page 78©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsPrecision Steel Ball Bushing BearingH1Type SB LinearRace Support BlockHA2EAN3H2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.BdType SB 60 Case* LinearRace* End Support BlocksH H1 H2 A A2NominalLinearRaceDiameterdB(Dimensions in inches)E N N3Part (2)Wt.No.±.002±.010 Hole Bolt lbSB-8 .500 1.000 1.63 .25 2.00 .75 .63 1.500 .19 #8 .30SB-10 .625 1.000 1.75 .31 2.50 .88 .69 1.875 .22 #10 .40SB-12 .750 1.250 2.13 .31 2.75 1.00 .75 2.000 .22 #10 .50SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .28 .25 1.00SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .34 .31 2.00SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .34 .31 2.60SB-32 2.000 2.500 4.50 .63 6.00 2.63 1.50 4.500 .41 .38 4.80Type ASB LinearRace Support BlockH1HEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace End Support BlocksNominal H H1 A A1 BLinearRacePart (2) DiameterNo. d ±.001±.001ASB-8 .500 .875 1.48 2.00 1.000 .63ASB-12 .750 1.125 1.95 2.50 1.250 .75ASB-16 1.000 1.375 2.48 3.25 1.625 1.00ASB-24 1.500 2.000 3.50 4.75 2.375 1.25(Dimensions in inches)E N N3Wt.Hole Bolt lb1.50 .19 #8 .112.00 .22 #10 .222.50 .28 .25 .443.50 .34 .31 1.16Type FSB Flanged LinearRace Support BlockBBMaterial: Aluminum Alloy(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic LoadCapacity can be affected by the orientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 72 and 73.Note: Precision Steel Ball Bushing bearings are available in corrosion resistant stainless steel in diameters up to 1 inch. Dynamic load ratings are reduced by 30%when using stainless steel Ball Bushing bearings. See Engineering Support Appendix page 136. For additional technical data, see Engineering Support Appendix.Polar GraphsACA C FGDEJType FSB Flanged 60 Case LinearRace End Support BlocksA B C D E FPart (2)No.NominalLinearRaceDiameterd.500.7501.0001.250±.010FSB-8 1.63 .81 1.250 .88FSB-12 2.38 1.19 1.750 1.00FSB-16 2.75 1.38 2.125 1.25FSB-20 3.13 1.56 2.375 1.38The actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0K 0.50.63.63.751.001.251.501.75(Dimensions in inches)G JMassHole Boltlb.18 #8 .25 .3.21 #10 .31 .6.27.271 ⁄4⁄4.31.38.8.9ADJ-81420ADJ-101824ADJ-122026ADJ-162536ADJ-203242ADJ-243848ADJ-324864ADJ-406080ADJ-487296ADJ-6496128©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 79* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingPhone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing Pillow Blocks(Closed and Adjustable Type) for End Supported ApplicationsPBA Side view PBA End view PB-ADJ Side viewPBA-ADJ End viewBBAdjusting ScrewH1H1HF1HF1EB1NE1AEB1NE1AEngineered plastic sealcover at both endsd60 Case SolidLinearRacedD160 Case Tubular LiteLinearRacePillow Blocks are available with CorrosionResistant Stainless Steel Ball Bushingbearings up to 1 inch diameter.Precision Steel Ball Bushing Pillow Blocks (Closed and Adjustable Type, seal at both ends)(Dimensions in inches)Part Number (2)H H1PrecisionPrecisionSteelSteelClass S Class L 60 Case 60 Case 60 Case 60 CaseBall BushingBall Bushing60 Case 60 Case LinearRace Solid Tubular Lite Tubular LitePillow Block 60 Case* Pillow Block 60 CaseLinearRace LinearRace Minimum LinearRace LinearRace LinearRaceLinearRace*LinearRace Nom.Diameter Diameter Depth of Mass MassIDClosed Class S Adjustable Class L Dia. ±.005ddHardness lb/inlb/in D1PB-8-A 1/2 S PB-8-ADJ 1/2 L .500 .875 1.63 .4990/.4985 .4995/.4990 .04 .06 – –PB-12-A 3/4 S PB-12-ADJ 3/4 L .750 1.125 2.13 .7490/.7485 .7495/.7490 .06 .13 .08 .46/.41PB-16-A 1 S PB-16-ADJ 1 L 1.000 1.375 2.56 .9990/.9985 .9995/.9990 .08 .22 .16 .62/.56PB-20-A 1 1/4 S PB-20-ADJ 1 1/4 L 1.250 1.750 3.25 1.2490/1.2485 1.2495/1.2490 .08 .35 – –PB-24-A 1 1/2 S PB-24-ADJ 1 1/2 L 1.500 2.000 3.75 1.4989/1.4984 1.4994/1.4989 .08 .50 .33 .93/.84PB-32-A 2 S PB-32-ADJ 2 L 2.000 2.500 4.75 1.9987/1.9980 1.9994/1.9987 .10 .89 .54 1.31/1.18Part Number (2)A B B1 E E1 F1 N N1Precision SteelPillow Dynamic (1)LoadBall Bushing Pillow BlockBlockMass CapacityClosed Adjustable ±.010 ±.010Hole Bolt lblb fPB-8-A PB-8-ADJ 2.00 1.69 1.50 1.000 1.500 .25 .19 #8 .585PB-12-A PB-12-ADJ 2.75 2.06 2.00 1.375 2.000 .31 .22 #10 1.3200PB-16-A PB-16-ADJ 3.25 2.88 2.25 1.500 2.500 .38 .28 1 ⁄4 2.1350PB-20-A PB-20-ADJ 4.00 3.63 2.75 1.875 3.000 .44 .34 5 ⁄16 4.4520PB-24-A PB-24-ADJ 4.75 4.00 3.00 2.000 3.500 .50 .34 5 ⁄16 5.7770PB-32-A PB-32-ADJ 6.00 5.00 3.50 2.500 4.500 .63 .41 3 ⁄8 10.51100Load/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)Load on most heavily loaded bearing (lbf)20001000100101 10 100 1000Required Travel Life (millions of inches)PB-32-A & PB-32-ADJPB-24-A & PB-24-ADJPB-20-A & PB-20-ADJPB-16-A & PB-16-ADJPB-12-A & PB-12-ADJPB-8-A & PB-8-ADJDetermining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing size enter thechart with the maximum load of the most heavily loadedbearing and the required travel life. Mark where the two linesintersect. All Ball Bushing bearing sizes that pass through orabove and to the right of this point may be suitable for thisapplication.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximum appliedload/K 0*Where K 0 can be determined from the Polar Graph to theright.Page 80©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsPrecision Steel Ball Bushing BearingH1Type SB LinearRace Support BlockHA2EAMaterial: Malleable IronN3H2BdType SB 60 Case* LinearRace* End Support BlocksH H1 H2 A A2Part (2)No.NominalLinearRaceDiameterd±.002(Dimensions in inches)E N N3SB-8 .500 1.000 1.63 .25 2.00 .75 .63 1.500 .19 #8 .3SB-12 .750 1.250 2.13 .31 2.75 1.00 .75 2.000 .22 #10 .5SB-16 1.000 1.500 2.56 .38 3.25 1.38 1.00 2.500 .28 .25 1.0SB-20 1.250 1.750 3.00 .44 4.00 1.75 1.13 3.000 .34 .31 2.0SB-24 1.500 2.000 3.50 .50 4.75 2.00 1.25 3.500 .34 .31 2.6SB-32 2.000 2.500 4.50 .63 6.00 2.63 1.50 4.500 .41 .38 4.8B±.010HoleBoltWt.lbType ASB LinearRace Support BlockH1HEAMaterial: Aluminum AlloyA1N3BdType ASB 60 Case LinearRace End Support BlocksNominal H H1 A A1 BLinearRacePart (2) DiameterNo. d ±.001±.001ASB-8 .500 .875 1.48 2.00 1.000 .63ASB-12 .750 1.125 1.95 2.50 1.250 .75ASB-16 1.000 1.375 2.48 3.25 1.625 1.00ASB-24 1.500 2.000 3.50 4.75 2.375 1.25(Dimensions in inches)E N N3Wt.Hole Bolt lb1.50 .19 #8 .112.00 .22 #10 .222.50 .28 .25 .443.50 .34 .31 1.16Type FSB Flanged LinearRace Support BlockADCEBGJA C FBMaterial: Aluminum AlloyType FSB Flanged 60 Case LinearRace End Support BlocksA B C D E FPartNo.NominalLinearRaceDiameterd.500.7501.0001.250±.010FSB-8 1.63 .81 1.250 .88FSB-12 2.38 1.19 1.750 1.00FSB-16 2.75 1.38 2.125 1.25FSB-20 3.13 1.56 2.375 1.38.50.63.63.751.001.251.501.75(Dimensions in inches)G JMassHole Boltlb.18 #8 .25 .3.21 #10 .31 .6.27.271 ⁄4⁄4.31.38.8.9(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by the orientation of the bearingor the direction of the applied load. For dynamic load correction factors see polar graphs below.(2)For part number description and specifications see page 72 and 73.Note: Precision Steel Ball Bushing bearings are available in corrosion resistant stainless steel in diameters up to 1 inch. Dynamic load ratings are reduced by 30%when using stainless steel Ball Bushing bearings. See Engineering Support Appendix page 136. For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0 K 0PB-8-APB-8-ADJPB-12-APB-12-ADJPB-16-APB-16-ADJPB-20-APB-20-ADJPB-24-APB-24-ADJPB-32-APB-32-ADJ©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 81* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comMiniature Instrument Ball BushingBearing and 60 Case LinearRace SetsC1C2LINST 2 MS1 x LOne Instrument Ball Bushing bearingand one 60 Case LinearRaceDCLINST 2 MS2 x LTwo Instrument Ball Bushing bearingsand one 60 Case LinearRaceMiniature Instrument Ball Bushing* Bearing and 60 Case* LinearRace* Sets(Dimensions in inches)Part NumberMiniature InstrumentBall Bushing andLinearRace SetsNominalDiameterOutsideDiameterD.3125/.3121One Bearing Two BearingsINST 2 MS1 INST 2 MS2 .1250INST 3 MS1 INST 3 MS2 .1875 .3750/.3746INST 4 MS1 INST 4 MS2 .2500 .5000/.4996BallBushingBearingLengthC.500/.485.562/.547.750/.735DistanceBetweenRetainingRingsC1.354.417.499Ret.RingGroovemin.C2.028.028.039Recommended †HousingBore.3130/.3124.3755/.3749.5005/.4999No.ofBallCircuits333BallBushingBearingMasslb.007.011.02560 CaseLinearRaceMasslb/in.004.008.014Miniature Instrument Ball Bushing BearingPart NumberMiniature InstrumentBall Bushing BearingWorkingBoreDiameter60 CaseLinearRacePartNumberLRI 2LRI 3LRI 4LinearRaceMaximumLengthLoad/Life Graph (Lines indicate limiting load for given Ball Bushing Bearing )60 CaseLinearRaceDiameterdINST 258-SS .1250/.1247 12.1248/.1245INST 369-SS .1875/.1872 12.1873/.1870INST 4812-SS .2500/.2497 12.2498/.2495InstrumentBall Bushingbearing/LinearRace SetFit up.0003C/.0001C.0003C/.0001C.0003C/.0001C(Dimensions in inches)Dynamic (1)LoadCapacitylb f7919† Press fit not recommendedLoad on most heavily loaded bearing (lbf)401011 10 100Required Travel Life (millions of inches)INST 4 MS2INST 4 MS1INST 3 MS2INST 2 MS2INST 3 MS1INST 2 MS1Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 82©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing BearingsMiniature Instrument Ball Bushing Bearingand 60 Case LinearRace SetsType SB LinearRace Support BlockA2H1HN3dType SB 60 Case* LinearRace* End Support Blocks(Dimensions in inches)H H1 H2 A A2 B E N3PartNo.NominalLinearRaceDiameterd±.002±.010HoleBoltMasslbSB-4 .250 .687 1.06 .25 1.50 .63 .50 1.125 .16 #6 .03EAH2Material: Malleable Iron for sizes .5 to 2 in.Aluminum Alloy for sizes .25 and .375 in.Material: Aluminum AlloyBH1HType ASB LinearRace Support BlockEAMaterial: Aluminum AlloyA1N3Part Number DescriptionINST 2 MS1 x L3.0InstrumentBall Bushing ProductBd60 Case LinearRacediameter2=1/8 in., 3=3/16 in.or 4=1/4 in.Type ASB 60 Case LinearRace End Support BlocksNominal H H1 A A1 BLinearRacePart DiameterNo. d ±.001±.001ASB-4 .250 .500 .88 1.50 .750 .50Length of 60 Case LinearRacein inches (3.0 in.)Type of matched set• MS1 - one bearing andone 60 Case LinearRace• MS2 - two bearings andone 60 Case LinearRace(Dimensions in inches)E N3MassHole Bolt lb1.12 .16 #6 .0660 Case LinearRace SpecificationsMaterial: 440C Stainless SteelHardness: 55 HRC minimumSurface Finish: 4 R a microinchStraightness: .0001 inch per inchPRECISION(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of the bearing or the direction of the applied load. For dynamic loadcorrection factors see polar graphs below. The dynamic load capacity for MS2 configurations are based on two bearings equally loaded.Note: For additional technical data, see Engineering Support Appendix.Polar GraphThe actual Dynamic Load Capacity of a Ball Bushing bearing isdetermined by the orientation of the bearing or direction of theapplied load. The load Correction Factor K 0 is found by knowingthe direction of the applied load relative to the orientation of thebearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the propercorrection factor by the Dynamic Load Capacity listed in theproduct table on the previous page.K 0©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 83* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comDie Set Ball Bushing BearingsFor End Supported ApplicationsBHE9/16"Part NumberACTable 1 — Precision Series Die Set Ball Bushing* Bearings and 60 Case* LinearRace*F;d(Dimensions in inches)DS Ball60 CaseLinearRaceWorkingBoreBallBushingPilotBallBushingBearingPilotRecommendedMountingHoleConcentricityof Pilot (B)to BearingBushing 60 Case Nom. Diameter Diameter Diameter O.D. LengthDiameter Bore (A)Bearing LinearRace Dia. dAB C E F H(TIR)DS-16 1 D 1.000 1.0003/1.0000 .9999/.9996 1.5007/1.5003 1.91 .94 3.17 1.5005/1.5000 .0007DS-20 1 1/4 D 1.250 1.2503/1.2500 1.2498/1.2495 1.7507/1.7503 2.31 1.19 3.67 1.7505/1.7500 .0007DS-24 1 1/2 D 1.500 1.5003/1.5000 1.4997/1.4994 2.0007/2.0003 2.72 1.44 4.17 2.0005/2.0000 .0007DS-32 2 D 2.000 2.0003/2.0000 1.9995/1.9992 2.5007/2.5003 3.53 1.94 4.42 2.5005/2.5000 .0007Dynamic (1)LoadCapacitylb f3505207701100Load/Life Graph (Lines indicate limiting load for given Ball Bushing* bearing)Load on most heavily loaded bearing (lbf)1500100010040DS-24DS-20DS-32DS-161 10 100 1000Required Travel Life (millions of inches)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 84©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace Support Blocksfor End Supported ApplicationsPrecision Steel Ball Bushing BearingsType FSB Flanged LinearRace Support BlockADCEBGJA C FBType FSB Flanged 60 Case* LinearRace* End Support BlocksA B C D E FPartNo.NominalLinearRaceDiameterd1.000(Dimensions in inches)G J±.010Hole BoltFSB-16 2.75 1.38 2.125 1.25 .63 1.50 .27 1 ⁄4 .31FSB-20 1.250 3.13 1.56 2.375 1.38 .75 1.75 .27 .38Masslb.801 ⁄4 .90Material: Aluminum AlloyDie Set DS (Dimensions in inches)NMPart NumberDS-16furnished with 2 clamps#CL-1 and 2 sockethead screws 1/4-20 x 1DS-20furnished with 3 clamps#CL-1 and 3 sockethead screws 1/4-20 x 1DS-24furnished with 3 clamps#CL-2 and 3 sockethead screws 5/16-18 x 1DS-32furnished with 4 clamps#CL-2 and 4 sockethead screws 5/16-18 x 1DS BallBushingBearingDS-16DS-20DS-24DS-32DS-B BallBushingBearingDS-16BDS-20BDS-24BDS-32BM1.061.271.561.94N1.411.612.002.38PRECISION(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of the bearing or the direction of the applied load. For dynamic loadcorrection factors see polar graphs below.Note: For additional technical data, see Engineering Support Appendix.Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0 K 0DS-16DS-20DS-24DS-32©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 85* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing Bearings and Pillow Blocks(Open Type) for Continuously Supported ApplicationsPrecision Steel Ball Bushing Bearings (Open type)Features:• Coefficient of friction as low as .001. • Can be adjusted to remove clearance• Load Capacity range from 60 to between the Ball Bushing bearing3,800 lb f .and 60 Case* LinearRace*.• Can be mounted in a custom• Available in corrosion resistanthousing.stainless steel in sizes up to 1 inch• Available in sizes 1 ⁄2 to 4 inchdiameter.diameter.• Travel speeds up to 10 ft/s.• All steel construction for maximum • High operating temperaturerigidity.capability.Precision Steel Ball Bushing Pillow Blocks (Open Type)Features:• Self-aligning for easy installation. • All steel construction for maximum• Easily secured to table surface with rigidity.four mounting bolts.• Can be adjusted to remove clearance• Coefficient of friction as low as .001. between the Ball Bushing bearing• Load capacity range from 60 to and 60 Case LinearRace.860 lb f .• Available with corrosion resistant• Available in sizes 1 ⁄2 to 2 inchstainless steel Ball Bushing bearingdiameter.in sizes up to 1 inch diameter.• Available with seals at both ends. • Travel speeds up to 10 ft/s.Page 86©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing Bearings60 Case LinearRace (PreDrilled)for Continuously Supported Applications60 Case* Solid LinearRace* with Mounting Holes Features:• Radial drilled and tapped holes ready • Available in corrosion resistant 440Cfor immediate use with standard hole stainless steel (50 HRC minimum).spacing to match standard 60 Case • Available with Preplate chrome option.LinearRace support rails.• Standard straightness .001 inch per• Diameter range between 1 ⁄2 and foot cumulative (.002 TIR) with4 inch.special straightness at .0005 inch• Surface finish 12 R a microinch.per foot cumulative (.001 TIR)• Hardness 60 HRC minimum.available.• Roundness 80 millionths of an inch.60 Case Tubular Lite LinearRace with Mounting Holes Features:• Hollow design reduces weight • Roundness 80 millionths of an inch.and inertia.• Case hardness 58 HRC minimum.• Radial drilled and tapped holes • Surface finish 12 R a microinch.ready for immediate use.• Available with Preplate chrome option.• Standard hole spacing to match • Standard straightness .001 inch perstandard 60 Case LinearRacefoot cumulative (.002 TIR) withsupport rails.special straightness at .0005 inch• Diameter range between 1 1 ⁄2 and per foot cumulative (.001 TIR)4 inch.available.60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsPRECISIONLSR Low Profile 60 Case LinearRace Support RailFeatures:• Diameter range between 1 ⁄2 and 4 inch. • Low Profile design.• Available with standard mounting holes for • Unlimited travel lengths.immediate use.• Available without mounting holes forcustom hole spacing.SR 60 Case LinearRace Support RailSRA 60 Case LinearRace Support Rail AssemblyFeatures:• Diameter range between 1 ⁄2 and 2 inch.• Available with standard mounting holes forimmediate use.• Available without mounting holes forcustomized hole spacing.• Available as a pre-engineered, ready toinstall assembly.• Light weight, high strength aluminumalloy rail.• Unlimited travel lengths.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 87* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comPart Number Description and Specification:Precision Steel Ball Bushing Bearings (Open Type)for Continuously Supported ApplicationsOPN-162536-DDTypeOPNDescriptionPrecision SteelBall Bushing bearings (Open Type)Size814201018241220261625362032422438483248644060804872966496128NominalDiameter.500.625.7501.0001.2501.5002.0002.5003.0004.000Option–SPNBDPSSDescriptionStandardStainless Steel Balls,BlackOxide Sleeve and RetainerNylon BallsDry PackedStainless SteelWith Integral WipersPrecision Steel Ball Bushing Pillow Blocks (Open Type)for Continuously Supported ApplicationsPBO-8-OPN-SSTypePBODescriptionPrecision Steel Ball BushingPillow Blocks (Open Type)Size8101216202432NominalDiameter.500.625.7501.0001.2501.5002.000TypeOPNOptionSSDescriptionOpen TypeDescriptionStainless SteelPage 88©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing BearingsPart Number Description and Specification:60 Case* LinearRace* (PreDrilled) for Continuously Supported Applications1 L-PD-SS-CTLSize1/25/83/411 1/41 1/22NominalDiameter.500.625.7501.0001.2501.5002.000TypePDClassLDescriptionPreDrilledOption–SSCPPETypeCTLRLSMDescriptionStandard Carbon Steel440 C Stainless SteelChrome Plated w/Plain EndsDescriptionCut to LengthRandom LengthSpecial Machined60 Case LinearRace shafting Table 5Part Number Part Number Part Number60 Case60 CaseLinearRaceStainlessChromeSteelPlatedSolidshaftingMax.60 CaseMax.60 CaseLinearRaceDiameterLength LinearRace Length LinearRaceshaftingClass Lin.shaftingin.shafting60 Case LinearRace Shaft Support Rails and Assembliesfor Continuously Supported ApplicationsMax.Lengthin.1/2 L PD .4995/.4990 168 –– –– 1/2 L PDCPPE 1685/8 L PD .6245/.6240 178 5/8 L PD SS 178 5/8 L PDCPPE 1783/4 L PD .7495/.7490 178 3/4 L PD SS 178 3/4 L PDCPPE 1781 L PD .9995/.9990 178 1 L PD SS 178 1 L PDCPPE 1781 1/4 L PD 1.2495/1.2490 178 1 1/4 L PD SS 178 1 1/4 L PDCPPE 1781 1/2 L PD 1.4994/1.4989 178 1 1/2 L PD SS 178 1 1/2 L PDCPPE 1782 L PD 1.9994/1.9987 178 2 L PD SS 178 2 L PDCPPE 1782 1/2 L PD 2.4993/2.4985 178 2 1/2 L PD SS 178 2 1/2 L PDCPPE 1783 L PD 2.9992/2.9983 178 –– –– 3 L PDCPPE 1784 L PDD 3.9988/3.9976 178 –– –– 4 L PDCPPE 178PRECISIONTypeLSRSRDescriptionLow Profile 60 CaseLinearRace shafting ShaftSupport Rail60 Case LinearRace shaftingShaft Support RailSR-16-PD x LengthSRA-16-SS x LengthType–PDDescriptionw/o PreDrilled holeswith PreDrilled holesTypeSRADescription60 Case LinearRace shaftingSupport Rail AssemblySize8101216Nom.Dia..500.625.7501.000Size202432Nom.Dia.1.2501.5002.000Type–SSTUCPDescriptionStandard AssemblyWith Stainless Steel60 Case LinearRace shaftingWith Tubular Lite60 Case LinearRace shaftingPrePlate Chrome©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 89* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingsPrecision Steel Ball Bushing Bearings(Open Type) For Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comC2C1TDdX YCN1Sizes .500 thru 1.00 available in Corrosion Resistant Stainless SteelEPrecision Steel Ball Bushing Bearings (Open Type) and 60 Case* LinearRace*Part Number Distance Ret. 60 Case 60 Case 60 CaseBetween Ring LinearRace Solid LinearRacePrecision SteelRetaining Groove Minimum LinearRace Mounting HolesBall Bushing 60 Case Nominal Length Rings min. Depth of MassBearing LinearRace Diameter C C1 C2 Hardness lb/in X Y N1OPN-81420 1/2 L PD .500 1.250/1.235 .967/.951 .046 .04 .06 4 2 #6-32OPN-101824 5/8 L PD .625 1.500/1.485 1.108/1.092 .056 .04 .09 4 2 #8-32OPN-122026 3/4 L PD .750 1.625/1.610 1.170/1.154 .056 .06 .13 6 3 #10-32OPN-162536 1 L PD 1.000 2.250/2.235 1.759/1.741 .068 .08 .22 6 3 1 ⁄4-20OPN-203242 1 1/4 L PD 1.250 2.625/2.605 2.009/1.991 .068 .08 .35 6 3 5 ⁄16-18OPN-243848 1 1/2 L PD 1.500 3.000/2.980 2.415/2.397 .086 .08 .50 8 4 3 ⁄8-16OPN-324864 2 L PD 2.000 4.000/3.980 3.195/3.177 .103 .10 .89 8 4 1 ⁄2-13OPN-406080 2 1/2 L PD 2.500 5.000/4.975 3.978/3.958 .120 .10 1.39 8 4 5 ⁄8-11OPN-487296 3 L PD 3.000 6.000/5.970 4.728/4.708 .120 .10 2.00 8 4 3 ⁄4-10OPN-6496128 4 L PD 4.000 8.000/7.960 6.265/6.235 .139 .10 3.56 8 4 #1-8Part Number (3)Precision SteelBall BushingBearingWorkingBoreDiameterTOPN-81420 .5005/.4995OPN-101824 .6255/.6245OPN-122026 .7505/.7495OPN-162536 1.0005/.9995OPN-203242 1.2506/1.2494OPN-243848 1.5006/1.4994OPN-324864 2.0008/1.9992OPN-406080 2.5010/2.4990OPN-487296 3.0012/2.9988OPN-6496128 4.0020/3.9980RecommendedHousing BoreBeforeAdjustmentD.8760/.87401.1260/1.12401.2510/1.24901.5635/1.56152.0010/1.99902.3760/2.37403.0010/2.99903.7515/3.74854.5015/4.49856.0020/5.998060 CaseLinearRaceDiameterd.4995/.4990.6245/.6240.7495/.7490.9995/.99901.2495/1.24901.4994/1.49891.9994/1.99872.4993/2.49852.9992/2.99833.9988/3.9976Load/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)MinimumSlotWidthE.31.38.44.56.63.751.001.251.502.00Angledeg50606060505050505050NumberofBallCircuits3344555555(Dimensions in inches)BallBushingBearingMasslb.07.11.17.32.901.122.164.247.3317.25Dynamic (1)LoadCapacitylb f60105140240400600860138020003800† Contact factory for availabilityLoad on Load most on heavily most heavily loaded loaded bearing bearing (lb f ) (lbf)5001001011 10 100 1000Required Travel Life (millions of inches)OPN-203242OPN-162536OPN-101824OPN-122026OPN-81420Load on most heavily loaded bearing (lbf)50001000100501 10 100 1000Required Travel Life (millions of inches)OPN-6496128OPN-487296OPN-406080OPN-324864OPN-243848Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of themost heavily loaded bearing and the required travellife. Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the PolarGraph to the right.Page 90©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comLSRStandardWithoutHolesLSR-8LSR-10LSR-12LSR-16LSR-20LSR-24LSR-32LSR-40LSR-48LSR-64Precision Steel Ball Bushing Bearings60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1LSR-PD with PreDrilled mounting holes.Y X N2AM48 in. Standard Length20º TYP12º TYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD 60 Case* LinearRace* Support RailsLSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-10-PDLSR-12-PDLSR-16-PDLSR-20-PDLSR-24-PDLSR-32-PDLSR-40-PDLSR-48-PDLSR-64-PDNominalLinearRaceDiameterd.500.625.7501.0001.2501.5002.0002.5003.0004.000H±.002.562.687.7501.0001.1871.3751.7502.2502.7503.500H1.34.41.42.56.63.70.851.131.401.75A.37.45.51.69.78.931.181.501.882.50M.25.31.38.50.56.69.881.131.381.88Mounting HolesN2Hole.17.19.22.28.34.41.53.69.811.06(Dimensions in inches)N1Bolt#6-32#8-32#10-321 ⁄4-205 ⁄16-183 ⁄8-161 ⁄2-135 ⁄8-113 ⁄4-10#1-8X4466688888Y2233344444LSRMasslb/ft.32.49.591.011.271.682.594.486.9811.8020ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-10SR-12SR-16SR-20SR-24SR-32SR-PDWithPredrilledHolesSR-8-PDSR-10-PDSR-12-PDSR-16-PDSR-20-PDSR-24-PDSR-32-PDAssy.WithSolidLinearRaceSRA-8SRA-10SRA-12SRA-16SRA-20SRA-24SRA-32Nom.LinearRaceDia.d.500.625.7501.0001.2501.5002.000H±.0021.1251.1251.5001.7502.1252.5003.250H1.19.25.25.25.31.38.50A1.501.631.752.132.503.003.75A1±.002.750.813.8751.0631.2501.5001.875E1.001.131.251.501.882.252.75M.25.31.38.50.56.69.88Hole.17.19.22.28.34.34.41N3Bolt#6#8#101 ⁄45 ⁄165 ⁄163 ⁄8(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .88#8-32 x .88#10-32 x 1.251 ⁄4-20 x 1.505 ⁄16-18 x 1.753 ⁄8-16 x 2.001 ⁄2-13 x 2.50X4466688Y2233344SRMasslb/ft.60.801.001.402.102.604.20PRECISION(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below. See page 136 for Stainless Steel bearingderating.(2)For the maximum length of all 60 Case LinearRace Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 89.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 88 and 89.StandardWithoutHolesStandardWithPredrilledHolesAssemblyWith Solid60 CaseLinearRaceStandardSingle PieceLength (2)inMaximumSingle PieceLength (2)inLSR LSR-PD – 48 96SR SR-PD SRA 24 72Polar GraphsThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0K 0K0OPN-81420OPN-101824OPN-122026OPN-162536OPN-203242OPN-243848OPN-324864OPN-406080OPN-487296OPN-6496128©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 91* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

HPrecision Steel Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing Bearing Pillow Block(Open Type) For Continously Supported ApplicationsAE1MENEngineered Plastic SealCover at both endsJH1dE2Material—Malleable IronAdjustingScrewX YN1BSizes .500 thru 1.00 available in Corrosion Resistant Stainless SteelPrecision Steel Ball Bushing* Bearing Pillow Blocks (Open Type, seal at both ends) and 60 Case* LinearRace*(Dimensions in inches)Part Number (3)H H1 60 Case 60 Case60 CaseLinearRace SolidLinearRacePrecision SteelMinimum LinearRace Mounting HolesBall Bushing60 Case NominalDepth ofMassPillow Block LinearRace Diameter ±.005Hardnesslb/in X Y N1PBO-8-OPN1/2 L CTL .500 .875 1.50 .04 .06 4 2 #6-32PBO-12-OPN 3/4 L CTL .750 1.125 2.00 .06 .13 6 3 #10-32PBO-16-OPN 1 L CTL 1.000 1.375 2.38 .08 .22 6 31 ⁄4-20PBO-20-OPN 1 1/4 L CTL 1.250 1.750 3.06 .08 .35 6 35 ⁄16-18PBO-24-OPN 1 1/2 L CTL 1.500 2.000 3.50 .08 .50 8 43 ⁄8-16PBO-32-OPN2 L CTL 2.000 2.500 4.50 .10 .89 8 41 ⁄2-13Part Number (3)Precision SteelBall BushingPillow BlockPBO-8-OPNPBO-12-OPNPBO-16-OPNPBO-20-OPNPBO-24-OPNPBO-32-OPN60 CaseLinearRaceDiameterd.4995/.4990.7495/.7490.9995/.99901.2495/1.24901.4994/1.49891.9994/1.9987A2.002.753.254.004.756.00B1.692.062.883.634.005.00Load/Life Graph (Lines indicate limiting load for given Ball Bushing bearing pillow block)E E1 E2 J M N PillowBlockWeight±.010 ±.010 min. deg Hole Bolt lb1.000 1.500 .37 .25 50 1.50 .19 #8 .41.375 2.000 .43 .31 60 2.00 .22 #10 1.01.500 2.500 .56 .38 60 2.25 .28 1 ⁄4 1.81.875 3.000 .67 .44 50 2.75 .34 5⁄16 3.82.000 3.500 .81 .50 50 3.00 .34 5 ⁄16 4.82.500 4.500 1.00 .63 50 3.50 .41 3 ⁄8 8.5Dynamic (1)LoadCapacitylb f60140240400600860Load on most heavily loaded bearing (lbf) f )1000100105Page 921 10 100 1000Required Travel Life (millions of inches)PBO-32-OPNPBO-24-OPNPBO-20-OPNPBO-16-OPNPBO-12-OPNPB0-8-OPN©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comPrecision Steel Ball Bushing Bearings60 Case LinearRace Support Rails and Assembliesfor Continuously Supported Applications20ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Y24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-12SR-16SR-20SR-24SR-32SR-PDWithPredrilledHolesSR-8-PDSR-12-PDSR-16-PDSR-20-PDSR-24-PDSR-32-PDAssy.WithSolidLinearRaceSRA-8SRA-12SRA-16SRA-20SRA-24SRA-32Nom.LinearRaceDia.d.500.7501.0001.2501.5002.000H±.0021.1251.5001.7502.1252.5003.250H1.19.25.25.31.38.50A1.501.752.132.503.003.75A1±.002.750.8751.0631.2501.5001.875E1.001.251.501.882.252.75M.25.38.50.56.69.88Hole.17.22.28.34.34.41N3Bolt#6#101 ⁄45 ⁄165 ⁄163 ⁄8(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .8810-32 x 1.251 ⁄4-20 x 1.505 ⁄16-18 x 1.753 ⁄8-16 x 2.001 ⁄2-13 x 2.50X466688Y233344SRMasslb/ft.601.001.402.102.604.20(1)The Dynamic Load Capacity is based on a rated travel life of 2 million inches.The actual Dynamic Load Capacity can be affected by the orientation of thebearing or the direction of the applied load. For dynamic load correctionfactors see polar graphs below.(2)For the maximum length of all 60 Case* LinearRace* Support Rail Assemblieswithout 60 Case LinearRace Joints see maximum length table on page 89.60 Case LinearRace Support Rail Assemblies are available with 60 CaseLinearRace joints for unlimited travel lengths.(3)For part number description and specifications see page 88 and 89.Polar GraphsStandardWithoutHolesStandardWithPredrilledHolesAssemblyWith Solid60 caseLinearRaceStandardSingle PieceLength (2)inMaximumSingle PieceLength (2)inSR SR-PD SRA 24 72Note: Precision Steel Ball Bushing* bearings are available in corrosion resistant stainless steel in diameters up to 1 inch. Dynamic load ratingsare reduced by 30% when using stainless steel Ball Bushing bearings. See Engineering Support Appendix page 136. For additional technicaldata, see Engineering Support Appendix.PRECISIONThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The loadCorrection Factor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph.To determine the actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on theprevious page.K 0K 0K 0PBO-8-OPNPBO-12-OPNPBO-16-OPNPBO-20-OPNPBO-24-OPNPBO-32-OPN©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 93* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Precision Steel Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comWire Straightening / Feeding MechanismObjectiveRedesign a wire straightening/feeding mechanism for a wiredrawing machine that improves cycle time and minimizesdowntime.SolutionCombine the performance advantages of the Precision SteelBall Bushing* bearing with the operating efficiency ofThomson ball screws.Products Specified4 – A162536 (Precision Steel Ball Bushing bearings)2 – 1 S CTL (60 Case* LinearRace*)1 – .625 x .200 (Thomson ball screw assembly)BenefitsBy replacing high friction plain bearings with Precision SteelBall Bushing bearings, service life increased from six monthsto four years. This significantly reduced downtime and maintenancerequirements and provided increased productivitywith substantial cost savings.A162536LRS-16.625 x .200 ThomsonSaginaw Ball ScrewAssemblyPage 94©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comXR Ball Bushing BearingsXR Ball Bushing Bearing ProductsXR Ball Bushing* Bearing Productsoffer:• five times the load capacity or 125 timesthe travel life of conventional linear bearings.This dramatic increase in travel lifereduces downtime and maximizesproductivity.• three times the rigidity of conventionallinear bearings. This increase in stiffnessprovides immediate improvements inmachine positioning accuracy andrepeatability.• the RoundRail* Advantage combined withtravel speeds up to 5 ft/s. Derating factorscommonly found in linear guide productsare eliminated.• ease of maintenance. When normalmaintenance requires bearing replacement,XR Ball Bushing bearings can be quicklyand cost-effectively replaced withoutscrapping the entire system – anothershortcoming of some linear guides.• double acting seals at both ends that keepout contamination and retainlubrication.• lasting precision alignment by combiningthe non-wear characteristics of the XR BallBushing bearing with a rigid ductile iron pillowblock.• high accelerations and operating speedswithout a dramatic increase in the powerconsumption commonly seen with highfriction v-way and flat-way systems.• available in three sizes from over 1,800authorized distributors worldwide.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 95* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

XR Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comXR Ball Bushing Bearing ProductsXR Ball Bushing* bearing products provide five times the loadcapacity or 125 times the travel life and three times the rigidity ofconventional linear bearings. These improvements are centeredaround four technologically advanced components, the XR BallBushing bearing, the XPBO Ball Bushing pillow block, the XL 60Case* LinearRace* (shaft) and the XSR 60 Case LinearRace supportrail.DEFLECTION (INCHES)0.00350.00300.00250.00200.00150.00100.0005XSR 60 Case LinearRace Support RailXR 32 (2")XL 60 CaseLinearRaceXBPOExtra-RigidOpen PillowBlock0.00000 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000RADIAL Radial LOAD Load (POUNDS) lb fDEFLECTION CURVESXR 48 (3")Figure 1Figure 2XR Ball Bushing BearingThe dramatic increase in load capacity and/ortravel life is provided by the XR Ball Bushing bearing'sadvanced plate design. Each ball conformingbearing plate is precision ground providingsmooth and virtually friction free linear movement.The bearing plate length has also been maximizedto increase the number of rolling elements in theload carrying zone. The position of each XR bearingplate helps to maximize the load capacity inboth pull-off and down loading conditions.XPBO Ball Bushing Pillow BlockEach XR Ball Bushing bearing can be housed ina rigid ductile iron pillow block (Figure 1). TheXPBO pillow block provides the stiffness requiredin high load applications (Figure 2). Each XPBO isequipped with four mounting holes for easyassembly to the table surface.XL 60 Case LinearRaceAvailable factory mounted to XSR 60 CaseLinearRace support rail is a hardened andprecision ground 60 Case LinearRace (Figure 1).Each 60 Case LinearRace is ground to a surfacefinish less than 10 Ra microinch and is straight to.001 inch per foot cumulative. Roundness of each60 Case LinearRace is controlled through proprietarytechniques that results in a roundness of 80millionths of an inch. Each XL 60 Case LinearRaceis held to these world class quality standard toassure maximum system performance and travellife.XSR 60 Case LinearRace Support RailsRigidity always starts by continuously supportingthe 60 Case LinearRace and bearing system(Figure 1). The large ductile iron alloy crosssectionof the XSR provides maximum rigidity andstiffness (Figure 2). The increased number ofstandard 60 Case LinearRace mounting holes addfurther stiffness and stability to the system.The RoundRail AdvantageThe RoundRail Advantage is the inherent ability ofan XR Ball Bushing bearing system to accommodatetorsional misalignment (caused by inaccuraciesin carriage or base machining or by machinedeflection) with little increase in stress to bearingcomponents. Installation time and cost are minimizedand system performance is maximized.Page 96©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comXR Ball Bushing BearingsXR Ball Bushing Bearing Productsfor Continuously Supported ApplicationsXR Ball Bushing* BearingsFeatures:• Available in sizes 2 and 3 inch borediameter.• Load capacity range from 4,500 to10,000 lb f .• Pull of load capacity range between2,100 to 8,000 lb f .• Can be mounted in a customhousing.• Travel speeds up to 5 ft/s.• System accelerations up to 160 ft/s 2 .XPBO Ball Bushing Pillow BlocksFeatures:• Available in 2 and 3 inch diametersizes.• Load capacity range from 4,500 to10,000 lb f .• Pull of load capacity range between2,100 to 4,500 lb f .• Easily secured to table or carriagesurface with four mounting bolts.• Travel speeds up to 5 ft/s.• System accelerations up to 160 ft/s 2 .• When used with XL 60 Case*LinearRace* internal clearance isminimized.• Integral double acting seals at bothends.XL 60 Case LinearRaceFeatures:• Case hardness to 60 HRC minimum.• Surface finish is 8 R a microinchfor 2 and 3 inch diameter and 10 R amicroinch for 4 inch diameter.• Roundness 80 millionths of an inch.• Straightness of .0005 inch per foot(.001 TIR) cumulative.• Available with standard radial drilledand tapped holes.• Minimum depth of hardness is .100inch.XSR 60 Case LinearRace Support RailsFeatures:• All ductile iron, heavy duty design • Can be pre-assembled with aand construction.60 Case LinearRace for quick and• Available in 2 and 3 inch diameter easy installation.sizes.• Precision ground surfaces for• Equipped with drilled thru and60 Case LinearRace and basecounterbored base mounting holes. mounting.• Reference edge for ease ofinstallation.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 97* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

XR Ball Bushing BearingsXR Ball Bushing Bearingsfor Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comN1DdTERoll PinFGCXYXR Ball Bushing* Bearings and 60 Case* LinearRace*(Dimensions in inches)XR BallBushingBearingXR-32-OPNXR-48-OPNPart Number60 Case 60 Case 60 Case60 Case60 Case LinearRace Solid SolidLinearRaceLinearRace Minimum LinearRace LinearRace Mounting Holes60 Case Nom. Length Diameter Depth of Mass MaximumLinearRace Dia. CdHardness lb/in Length X Y N13 XL PD (4) 3 6.000/5.940 2.9992/2.9989 .100 2.00 168 6 33 ⁄4-102 XL PD (4) 2 4.000/3.970 1.9994/1.9991 .100 .89 168 4 21 ⁄2-13Part NumberXR BallBushingBearingXR-32-OPNXR-48-OPNWorking (1)BoreDiameterT2.0000/1.99923.0000/2.9988RecommendedHousingBoreDiameterD3.00004.5000Min.SlotWidthE1.001.50Retention Hole (2)Dia.F.27.27Loc.G.31.42Angledeg2730NumberofBallCircuits66BallDia..25.38BearingMasslb1.34.4Dynamic (3)LoadCapacitylb f450010000(1)When installed in a nominal housing bore D, before adjustment. Any deviation from nominal housing bore diameter will change the working boreT, an equal amount. Minimum recommended housing bores are 2.9980 for XR-32-OPN and 4.4975 for XR-48-OPN.(2)Retention hole does not go through bearing retainer.(3)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs opposite.(4)Contact factory for availability.Load on most heavily loaded bearing (lbf)20000100001000500XR-48-OPNXR-32-OPN1 10 100 1000Required Travel Life (millions of inches)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 98©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comXR Ball Bushing BearingsXSR 60 Case LinearRace Support Rails andAssemblies for Continuously Supported ApplicationsLock washersrecommendedXSRMN2EHN3H1EAYREFXXX X X23 13 ⁄16 ± 1 ⁄8Type XSR/XSRA 60 Case* LinearRace* Support Rails and AssembliesXSR AssemblyH H1 A E MN2 N2 N3WithMountingHolesWithSolidLinearRaceNominalLinearRaceDiameter+.000–.001Hole Bolt Counterbore Hole Bolt CounterboreXSR-32 XSRA-32 2 2.750 1.00 4.50 3.13 .88 .561 ⁄2-13 x 2 1 x .75 DP .56 .50 1 x .63 DPXSR-48 XSRA-48 3 4.000 1.31 6.00 4.25 1.25 .81 3 ⁄4-10 x 2.75 1.44 x 1.13 DP .69 .63Centerline of 60 Case LinearRace will be parallel to base within .0005 in.Mounting hole locations are within ±.015, non-cumulative.(Dimensions in inches)DegX Y15 4 1.971.25 x .75 DP 25 6 2.97XSRMasslb/ft1631Polar GraphThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The load CorrectionFactor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polar graph. To determinethe actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table on the previous page.K 0©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 99* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

XR Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comXR Ball Bushing Pillow Blocksfor Continuously Supported ApplicationsPillow Block Side ViewBEMRetentionScrewdRetentionScrewPillow Block End ViewAE1JNHH1N1XYE2GXR Ball Bushing* Pillow Blocks (seal at both ends) and 60 Case* LinearRace*(Dimensions in inches)Extra RigidBall BushingPillow BlockXPBO-32-OPNXPBO-48-OPNPart NumberExtra RigidBall BushingPillow BlockXPBO-32-OPNXPBO-48-OPNPart NumberWorkingBoreDiameterT1.9985/1.99722.9980/2.996360 Case NominalLinearRace Diameter2 XL PD (3)3 XL PD (3)60 CaseLinearRaceDiameterd1.9994/1.99912.9992/2.9989H+.000–.001H160 CaseLinearRaceMinimumDepth ofHardness60 CaseSolidLinearRaceMasslb/in2 2.375 3.875 .10 .89 4 23 3.500 5.875 .10 2.00 6 3Ball Bushing ( 1)Bearing/LinearRaceFit Up.0022P/.006P.0029P/.0009PA6.008.38B4.887.2560 CaseLinearRaceMounting HolesX Y N1E E1 E2 G J M N PillowDegBlockMass±.010 ±.010 min.Hole Bolt lb3.750 5.000 1.00 3.75 .88 27 2.63 .53 1 ⁄2 185.875 7.000 1.50 5.50 1.25 30 4.13 .66 5 ⁄8 55(1)XPBO pillow blocks are designed to give extra rigid support and are therefore dimensioned to provide the interference fits when used with60 Case LinearRace class XL. If used with class L 60 Case LinearRace the fit-up values would be .0022P/.0002P for the 2 inch size and.0029P/.0003P for the 3 inch size.(2)The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by theorientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs opposite.(3)Contact factory for availability.Load/Life Graph (Lines indicate limiting load for given Ball Bushing bearing)1 ⁄2-133 ⁄4-10Dynamic (2)LoadCapacitylb f450010000Load on most heavily loaded bearing (lbf)100001000500XPBO-48-OPNXPBO-32-OPN1 10 100 1000Required Travel Life (millions of inches)Determining Ball Bushing Bearing SizeTo determine the proper Ball Bushing bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All BallBushing bearing sizes that pass through or aboveand to the right of this point may be suitable forthis application.Note: For the purpose of using this chart.Load on most heavily loaded bearing = maximumapplied load/K 0*Where K 0 can be determined from the Polar Graphto the right.Page 100©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comXR Ball Bushing BearingsXSR 60 Case LinearRace Support Rails andAssemblies for Continuously Supported ApplicationsLock washersrecommendedXSRMN2EHN3H1EAYREFXXX X X23 13 ⁄16 ± 1 ⁄8Type XSR/XSRA 60 Case* LinearRace* Support Rails and AssembliesXSRWithMountingAssemblyWithSolidH+.000H1 A E MN2 N3Holes LinearRace–.001Hole Bolt Counterbore Hole BoltNominalLinearRaceDiameter2XSR-32 XSRA-322.750 1.00 4.50 3.13XSR-48 XSRA-48 3 4.000 1.31 6.00 4.25.881.25Centerline of 60 Case LinearRace will be parallel to base within .0005 in.XBPO Material: Ductile Iron..561 ⁄2-13 x 2.81 3 ⁄4-10 x 2.751 x .75 DP1.44 x 1.13 DP.56.69.50.63(Dimensions in inches)DegX YCounterbore1 x .63 DP 15 4 1.971.25 x .75 DP 25 6 2.97XSRMasslb/ft1631Polar GraphThe actual Dynamic Load Capacity of a Ball Bushing bearing is determined by the orientation of the bearing or direction of the applied load. The loadCorrection Factor K 0 is found by knowing the direction of the applied load relative to the orientation of the bearings ball tracks and referring to the polargraph. To determine the actual Dynamic Load Capacity, multiply the proper correction factor by the Dynamic Load Capacity listed in the product table onthe previous page.K 0©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 101* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

XR Ball Bushing BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comX-Y-Z SystemObjectiveBuild a rigid X-Y-Z System designed to perform welding and flamecutting tasks.SolutionExtra Rigid Ball Bushing bearings will be used on the X-axis to minimizedeflection of the cantilevered Y-axis. Self-aligning Super Smart BallBushing* bearings are used on the Y and Z axis to simplify theassembly.Products SpecifiedX-axis4 – XR-32-OPN (XR Ball Bushing bearing)2 – XSRA-32 x 108 in (60 Case* LinearRace* Support Rail Assembly)Y-axis4 – SSU-12-OPN (Super Smart Ball Bushing bearing [Open Type])2 – LSR-12-PD x 48 in (Low Profile 60 Case LinearRace Support Rail)2 – 3/4 L PD CTL x 48 in (60 Case LinearRace)Z-axis4 – SSU-12 (Super Smart Ball Bushing bearing)2 – 3/4 L CTL x 36 in (60 Case LinearRace)BenefitsThe high load capacity, rigidity and RoundRail* Advantage of the SuperSmart and XR Ball Bushing bearings provided an easy to assemblesystem with a repeatability of ±.005 in.XR-32-OPNSSU-12-OPNSSU-12Page 102©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comRoundwayRoundWay Linear Roller BearingsThomson RoundWay*Linear Roller Bearings offer:• up to twenty times the load capacity ofconventional linear ball bearings. Thisdramatic increase allows for morecompact machine designs with areduction in hardware costs.• a rigid design that provides high accuracywhile tolerating the high shock loadscommon to machine tool applications.• a coefficient of friction as low as .005.When replacing v-ways or flat-ways,RoundWay linear roller bearings allow forthe use of smaller less expensive drives,motors, belts, gears and ball screws.• a self-aligning capability that reducesinstallation time and cost.• an eccentric trunnion pin that adjustsbearing height to compensate for minorinaccuracies in mounting base flatness ormachining accuracy. Installation is quickerand easier than old style, conventional waysystems.• availability of an integral wiper thatprotects against contamination whileretaining lubrication.• interchangeable components for quick,cost-effective machine maintenance. Thereis no need to scrap the entire way system,a problem with some linear guide products.• the RoundRail* Advantage combined withthe self aligning feature, eliminates theneed for derating factors commonly seenwith linear guides.• availability from over 1800 distributorsworldwide.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 103* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

RoundwayRoundWay Linear Roller BearingsPhone: 1-800-554-8466Website: www.thomsonballbushing.comRoundWay Operating Principle60 CaseLinearRaceEccentrictrunnion pinRollerassemblyLoadcarryingrollers60 CaseLinearRace supportStandardmounting blockUnloaded rollersin return portionof circuitInfinitely adjustable within±.015" range except RW-64-Sand RW-48-S which are ±.030"Lock screw may beinserted from oppositeend of hole for improvedaccessEccentrictrunnionpinHigh carbon bearingquality steel inner raceLockscrew60 CaseLinearRace supportStandardmounting blockBearingraceRollerassembly60 CaseLinearRaceThomson invented the RoundWay* Linear roller bearingfor use in high load, heavy duty applications. EachRoundWay bearing combines the high load capacity ofhardened and ground steel recirculating rollers with arigid malleable iron pillow block providing extremelyhigh load capacity with smooth linear travel. TheRoundWay linear roller bearing comes in both a singleand dual version. A single RoundWay linear roller bearingdoes not resist side loads and is therefore alwaysused in conjunction with a dual version, unless used ina configuration as shown in Figures 2, 3 and 4 onpage 105.Each RoundWay linear roller bearing is designed foruse on 60 Case LinearRace. The 60 Case* LinearRace*shaft an be continuously supported using type LSR,SR, FLSR or XSR 60 Case LinearRace support rails orintermittently supported using the adjustableWaymount* LinearRace supports type WM.The RoundWay linear roller bearing consists of fourbasic parts: the bearing race, the roller assembly, theeccentric trunnion pin and the mounting block. Therolling elements of a RoundWay linear roller bearing area series of concave rollers interconnected and linkedby a chain assembly. As load is applied to themounting block it is transferred through the bearingrace and roller assembly to the supported 60 CaseLinearRace. Connecting the mounting block to theRoundWaybearing and roller assembly is an eccentric trunnion pinthat allows the height of the RoundWay linear rollerbearing to be adjusted to compensate for variations inthe mounting surfaces or the build-up of tolerancesbetween component elements. The eccentric trunnionpin can also be used to preload the RoundWay bearingby eliminating internal bearing clearance. After theeccentric trunnion pin has been adjusted it can be heldin place by simply tightening the lock screw.Self-AligningThe RoundWay single and dual bearings are designedwith a built-in self-aligning capability that absorbsmisalignment caused by inaccuracies in carriage orbase machining. The RoundWay single bearing has anadditional built-in self-aligning capability that allows itto absorb misalignment caused by two slightly outof parallel 60 Case LinearRace ways. This feature isrealized when two RoundWay single bearings aremounted on one 60 Case LinearRace and two dualRoundWay bearings are on a parallel 60 CaseLinearRace (Figure 1 on page 105).Page 104©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comRoundWay Linear Roller BearingMounting ConfigurationsRoundwayFig. 1Fig. 2Fig. 3Fig. 4Fig. 5Fig. 6Fig. 7Fig. 8IMPORTANT!A single RoundWay bearing does not resist side loads. Therefore, dual RoundWaybearings or the equivalent are always used in combination with single units.RoundWay* Bearing Mounting ArrangementsRoundWay bearings are available in single mountingblocks or dual V-blocks. The basic race and rollerassembly can be purchased separately, along with thesuitable type of trunnion pin for mounting directly in thecarriage or other machine elements (see page 110).When using either type of cantilever mounting trunnionpin, deflection may be experienced under heavy loads.The above illustrations are a few schematic suggestionsfor arrangements of RoundWay bearings and 60Case* LinearRace* ways. The load directions of thebearings are indicated by arrows.The first group (Figs. 1 through 4) depends on gravityto hold the carriage on the ways.The second group shows arrangements which willcarry loads in any direction. The first two figures (Figs.5 and 6) are similar to the second two figures (Figs. 7and 8), except for reverse orientation of horizontalload-carrying bearings.All schematics on this page can be pre-loaded exceptFig. 1. In the Fig. 1 arrangement, the maximum sideload permitted is 50% of the applied vertical load onthe Dual RoundWay bearing.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 105* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

WorksheetPhone: 1-800-554-8466Website: www.thomsonballbushing.comNOTES:Page 106©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comRoundWay Linear Roller BearingsRoundwayTable of ContentsRoundWay* Linear Roller Bearings..............................................................................................................108RoundWay Linear Roller bearings have been designed to carryheavy loads in either a continuous or intermittent supportedapplication, where rigidity and stiffness is required. RoundWayLinear Roller bearings are also the proper choice for high speedapplications or highly contaminated environments. RoundWayLinear Roller Bearings are available in a variety of configurationsand sizes. For a complete overview of each RoundWay type,simply turn to page 108. For specifications see the correspondingpages referenced below.Product Overview.........................................................................108SpecificationsRoundWay Linear Roller bearing Type A,B,C ..............................110RoundWay Linear Roller bearing Single Type..............................112RoundWay Linear Roller bearing Dual Type ................................114©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 107* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

RoundwayRoundWay Linear Roller Bearingsfor Continuously Supported ApplicationsPhone: 1-800-554-8466Website: www.thomsonballbushing.comRoundWay* Linear Roller Bearing Type (Type A,B,C)• Available in 1 ⁄2 through 3 inch • Can be mounted in a customdiameters.housing.• Load capacity range between 970 • Available with a two piece seal thatand 24,000 lb f .retains lubrication while protecting• Travel speeds up to 100 ft/s.the bearing from the ingress of dirt• Accelerations up to 450 ft/s 2 .or contaminants.• Can be adjusted to compensate forvariations in the mounting surface.• Self-aligning in all directions.• Designed to compensate for two60 Case LinearRace ways that areslightly out of parallelRoundWay Linear Roller Bearing (Single Type)• Available in 1 ⁄2 through 3 inch • Should always be used in conjunctionwith RoundWay Dual version.diameters.• Load capacity range between 970 • Can be mounted in a customand 24,000 lb f .housing.• Travel speeds up to 100 ft/s. • Available with a two piece seal that• Accelerations up to 450 ft/s 2 .retains lubrication while protecting• Can be adjusted to compensate for the bearing from the ingress of dirtvariations in the mounting surface. or contaminants.• Self-aligning in all directions. • Easily mounted to carriage with four• Designed to compensate for two mounting bolts.60 Case LinearRace ways that areslightly out of parallelRoundWay Linear Roller Bearing (Dual Type)• Available in 1 ⁄2 through 3 inch • Available with a two piece seal thatdiameters.retains lubrication while protecting• Load capacity range between 1370 the bearing from the ingress of dirtand 35,000 lb f .or contaminants.• Travel speeds up to 100 ft/s. • Easily mounted to carriage with four• Accelerations up to 450 ft/s 2 .mounting bolts.• Can be adjusted to compensate forvariations in the mounting surface.• Self-aligning in all directions.Page 108©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace (PreDrilled)for Continuously Supported ApplicationsRoundway60 Case* Solid LinearRace* with Mounting Holes Features:• Radial drilled and tapped holes ready • Available in corrosion resistant 440Cfor immediate use with standard hole stainless steel (50 HRC minimum).spacing to match standard 60 Case • Available with Preplate* chrome option.LinearRace support rails.• Standard straightness .001 inch per foot• Diameter range between 1 ⁄2 and 4 inch. cumulative (.002 TIR) with• Surface finish 12 R a microinch.special straightness at .0005 inch per• Hardness 60 HRC minimum.foot cumulative (.001 TIR) available.• Roundness 80 millionths of an inch.60 Case Tubular Lite* LinearRace with Mounting Holes Features:• Hollow design reduces weight and inertia.• Surface finish 12 R a microinch.• Case hardness 58 HRC minimum.• Radial drilled and tapped holes ready • Available with Preplate chrome option.for immediate use.• Standard straightness .001 inch per foot• Standard hole spacing to match standard60 Case LinearRace support rails. special straightness at .0005 inch percumulative (.002 TIR) with• Diameter range between 1 1 ⁄2 and 4 inch. foot cumulative (.001 TIR)• Roundness 80 millionths of an inch. available.60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsLSR Low Profile 60 Case LinearRace Support Rail Features:• Diameter range between 1 ⁄2 and 4 inch. • Low Profile design.• Available with standard mounting holes for • Unlimited travel lengths.immediate use.• Available without mounting holes forcustom hole spacing.SR/SRA 60 Case LinearRace Support Rail Assembly Features:• Diameter range between 1 ⁄2 and 2 inch.• Available with standard mounting holes forimmediate use.• Available without mounting holes forcustomized hole spacings.• Available as a pre-engineered, ready toinstall assembly.• Light weight, high strength aluminum alloyrail.• Unlimited travel lengths.LSRA SmartRail* Assembly Features:• Diameter range between 5 /8 and 1 1 /2 inch.• Bolt-down-from-the-top mounting.• Two mounting hole patterns.• Single piece lengths up to 15 feet long.• Low profile design.Waymount* 60 Case LinearRace Support Block Features:• Available for 60 Case LinearRace diameters1 ⁄2 through 4 inch.coating.• Protected with a corrosion resistant• Can easily adjust vertical or horizontal • Designed specifically for use withposition of 60 Case LinearRace.RoundWay Linear Roller bearings.• Easily secured to base surface.• Installation time and cost is minimized.XSR/XSRA 60 Case LinearRace Support Rail and Assembly Features:• All ductile iron, heavy duty design andconstruction.• Equipped with drill thru andcounterbored base mounting holes.• Reference edge for ease of installation.• Can be pre-assembled with 60 CaseLinearRace for quick and easy installation.• Precision ground surfaces for 60 CaseLinearRace and base mounting.• Available in 2 and 3 inch diameter.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 109* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

RoundwayRoundWay Linear Roller BearingType A, B and CDABAll Trunnion Pinsmake height ofbearings infinitelyadjustable within±.015" RW-48-A, B orC which are ±.030"FCEPhone: 1-800-554-8466Website: www.thomsonballbushing.comClearance requiredfor bearingType AEType BHLJG60 Case LinearRaceType CHLJG (3)NKGKKPHLJ1 ⁄2 G1⁄2 GIf set screws are used to lock pin they should beat right angles to applied loadStraddle Type Trunnion PinIf set screws are used to lock pin they should beat right angles to applied loadCantilever Type Trunnion Pin—Blind HoleIf set screws are used to lock pin they should beat right angles to applied loadCantilever Type Trunnion Pin—Thru-holeRoundWay* Linear Roller Bearing (Type A, B and C) and 60 Case* LinearRace*BearingType ABearingType BNom.Dia.A+.0005–.0000B C D E±.001FDeg60 CaseLinearRaceDiameterdDynamic (1)LoadCap.lb fRW-8-A RW-8-B RW-8-C 1/2 L PD .500 .2500 .45 .63 2.38 .502 .56 50 .4995/.4990 168.06 970RW-16-A RW-16-B RW-16-C 1 L PD 1.000 .4688 .80 1.00 3.75 1.002 .94 50 .9995/.9990 180.22 3020RW-24-A RW-24-B RW-24-C 1 1/2 L PD 1.500 .7188 1.15 1.50 5.38 1.502 1.38 55 1.4994/1.4989 204.50 6020RW-32-A RW-32-B RW-32-C 2 L PD 2.000 .9688 1.50 2.00 7.38 2.002 1.75 55 1.9994/1.9987 204.89 12360RW-48-A RW-48-B RW-48-C 3 L PD (2) 3.000 1.5626 2.30 3.00 11.00 3.002 2.75 50 2.9992/2.9983 204 2.00 24000Trunnion Type APart NumberBearingType C60 CaseLinearRaceTrunnion Type BTrunnion Type C60 CaseLinearRaceMaximumLength(Dimensions in inches)60 CaseSolidLinearRaceMasslb/inRoundWayBearingPartNumberG+.0000–.0005H J K+.0000–.0005LBearingMasslbRW-8-A .2187 .19 .31 .2812 1.13 .30RW-16-A .4375 .25 .50 .5000 2.00 1.10RW-24-A .6875 .31 .63 .7500 2.75 3.10RW-32-A .9375 .38 .75 1.0000 3.50 7.3RW-48-A 1.5000 .59 1.25 1.6250 5.53 24.0RoundWayBearingPartNumberG H J K+.000–.001LBearingMasslbRW-8-B .75 .31 .13 .3105 1.63 .30RW-16-B 1.25 .59 .19 .498 2.78 1.10RW-24-B 1.75 .88 .25 .748 3.94 3.10RW-32-B 2.25 1.13 .31 .998 5.06 7.70RW-48-B 3.50 1.75 .50 1.623 8.00 24.80Load/Life Graph (Lines indicate limiting load for given RoundWay bearing)RoundWayBearingPartNumberG (2)+.060–.000H J K+.000–.001LBearingMasslbRW-8-C .719 .31 .13 .311 1.69 .22 .44 – .30RW-16-C 1.188 .59 .19 .498 2.88 .31 .75 – 1.10RW-24-C 1.656 .88 .25 .748 4.13 .50 1.00 – 3.20RW-32-C 2.094 1.13 .31 .998 5.25 .63 1.31 – 7.90RW-48-C 3.063 1.75 .50 1.623 7.25 1.00 – 2.25 25.60(1)Dynamic Load Capacity is based on 10 million inches of travel.(2)Thickness of mounting member.MNPStd.HexacrossFlatsLoad on most heavily loaded bearing (lbf)50000100001000100RW-48-A/B/CRW-32-A/B/CRW-24-A/B/CRW-16-A/B/CRW-8-A/B/C1 10 100 1000Required Travel Life (millions of inches)Determining RoundWay Bearing SizeThe primary factors that influence the choice ofbearing size are maximum load on a singleRoundWay bearing and the required travel life.To determine the proper RoundWay bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All RoundWaybearing sizes that pass through or above and tothe right of this point may be suitable for thisapplication.Page 110©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comRoundway60 Case LinearRace Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support Rails20ºHH1HdH1LSR-PD with PreDrilled mounting holes.Y X N2dAM48 in. Standard LengthA1EA20º TYP12º TYPMaterial: Steel AlloyLonger lengths are availableMN3HH1YXBaseMountingSurfaceType SR and SR-PD 60 Case LinearRaceSupport Rails and Assemblies24 in. Standard LengthMaterial: Aluminum AlloyLonger lengths are availableType XSR/XSRA 60 Case LinearRaceSupport Rails and AssembliesLock washersrecommendedXSREAM N2N3Type LSR and LSR-PD 60 Case* LinearRace* Support RailsLSRStandardWithoutHolesLSR-8LSR-16LSR-24LSR-32LSR-48SRWithoutHolesSR-8SR-16SR-24SR-32LSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-16-PDLSR-24-PDLSR-32-PDLSR-48-PDNominalLinearRaceDiameterd.5001.0001.5002.0003.000H±.002.5621.0001.3751.7502.750H1.34.56.70.851.40A.37.69.931.181.88M.25.50.69.881.38Type SR/ SR-PD LinearRace Support Rails and AssembliesSR-PDWithPreDrilledHolesSR-8-PDSR-16-PDSR-24-PDSR-32-PDAssy.WithSolidLinearRaceSRA-8SRA-16SRA-24SRA-32Nom.LinearRaceDia.d.5001.0001.5002.000H±.0021.1251.7502.5003.250XSR-32 XSRA-32 2.000 2.750 1.00 4.50 3.13XSR-48 XSRA-48 3.000 4.000 1.31 6.00 4.25H1.19.25.38.50A1.502.133.003.75A1±.002.7501.0631.5001.875E1.001.502.252.75M.25.50.69.88Hole.17.28.41.53.81Hole.17.28.34.41N3N2Bolt#61 ⁄45 ⁄163 ⁄8(Dimensions in inches)Bolt#6-321 ⁄4-203 ⁄8-161 ⁄2-133 ⁄4-10X46888Y23444LSRMasslb/ft.321.011.682.596.98(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .881 ⁄4-20 x 1.503 ⁄8-16 x 2.001 ⁄2-13 x 2.50X4688Y2344SRMasslb/ft.601.402.604.20Type XSR/XSRA LinearRace Support Rails and Assemblies (Dimensions in inches)XSR Assy.H H1 A E MN2 N3 X YWithMountingHolesWithSolidLinearRaceNominalLinearRaceDiameter–.001+.000Hole Bolt Counterbore Hole Bolt Counterbore degXSRMasslb/ft.881.25.561 ⁄2-13 x 2 1 x .75 DP.81 3 ⁄4-10 x 2.75 1.44 x 1.13 DP.56.69.50.631 x .63 DP 15 4 1.971.25 x .75 DP 25 6 2.971631EY X X X X XREF23 13 ⁄16 ± 1 ⁄8Waymount Support LinearRace BlockSupport BlockLECPFor installationsee page 142FHM NJ,K are Total AdjustmentVerticalAdjustmentdKJ HorizontalGAdjustmentA BWRough BaseWaymount LinearRace Support BlockWaymountPartNumberNominalLinearRaceDiameterdL H W A B C E F G (4) J K M N PWM-8 .500 1.50 1.06 1.75 .50 .88 .25 .75 .22 #8-32 .05 .09 .69 .50 .44 .20WM-16 1.000 2.00 1.50 2.50 .75 1.25 .31 1.06 .28 1 ⁄4-28 .06 .13 .81 .69 .69 .50WM-24 1.500 2.50 2.00 3.50 1.19 1.63 .44 1.19 .34 5 ⁄16-24 .13 .13 1.00 .75 .75 1.10WM-32 2.000 3.00 2.50 4.00 1.44 1.88 .50 1.38 .41 3 ⁄8-24 .13 .13 1.25 .94 1.00 1.80WM-48 3.000 5.00 4.31 6.75 2.38 3.38 .75 2.63 .66 5 ⁄8-18 .13 .13 2.25 1.63 1.50 10.20(4)Supplied with Waymount LinearRace support block(Dimensions in inches)Masslb©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 111* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

RoundwayRoundWay Linear Roller Bearing(Single Type)Phone: 1-800-554-8466Website: www.thomsonballbushing.comCDEGFHJBInfinitely adjustable withinA ±.015" range except RW-48-Swhich is ±.030"KB45º60 Case LinearRaceRoundWay* Linear Roller Bearing (Single Type) and 60 Case* LinearRace*Part NumberA B C D E F G H J K L 60 CaseLinearRaceRoundWay 60 Case Nom.DiameterBearing LinearRace Dia.Bolt Holed60 CaseLinearRaceMaximumLength(Dimensions in inches)60 CaseSolidLinearRaceMasslb/inDynamic (1)LoadCapacitylb fRW-8-S 1/2 L PD .500 1.00 .45 3.0 2.38 1.50 1.25 .19 .94 .31 #6 .16 .88 .4995/.4990 168 .06 .50 970RW-16-S 1 L PD 1.000 1.75 .80 5.0 3.75 2.50 2.13 .25 1.63 .50 #10 .25 1.50 .9995/.9990 180 .22 2.20 3020RW-24-S 1 1/2 L PD 1.500 2.50 1.15 6.5 5.38 3.50 2.88 .31 2.13 .63 .31 .38 2.13 1.4994/1.4989 204 .50 5.60 6020RW-32-S 2 L PD 2.000 3.25 1.50 8.5 7.38 4.50 3.63 .38 2.75 .75 .38 .44 2.88 1.9994/1.9987 204 .89 12.40 12360RW-48-S 3 L PD 3.000 5.00 2.30 13.0 11.00 7.00 6.00 .50 4.25 1.25 .63 .69 4.25 2.9992/2.9983 204 2.00 48.00 24000BearingMasslb(1)Dynamic Load Capacity is based on 10 million inches of travel.(2)Contact factory for availabilityLoad/Life Graph (Lines indicate limiting load for given RoundWay bearing)Load on most heavily loaded bearing (lbf)50000100001000100RW-48-SRW-32-SRW-24-SRW-16-SRW-8-S1 10 100 1000Required Travel Life (millions of inches)Determining RoundWay Bearing SizeThe primary factors that influence the choice ofbearing size are maximum load on a singleRoundWay bearing and required travel life. Todetermine the proper RoundWay bearing sizeenter the chart with the maximum load of the mostheavily loaded bearing and the required travel life.Mark where the two lines intersect. All RoundWaybearing sizes that pass through or above and tothe right of this point may be suitable for thisPage 112©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comLSRStandardWithoutHolesLSR-8LSR-16LSR-24LSR-32LSR-48Roundway60 Case* LinearRace* Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1LSR-PD with PreDrilled mounting holes.Y X N2AM48 in. Standard Length20º TYP12º TYPMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD LinearRace Support RailsLSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-16-PDLSR-24-PDLSR-32-PDLSR-48-PDNominalLinearRaceDiameterd.5001.0001.5002.0003.000H±.002.5621.0001.3751.7502.750H1.34.56.70.851.40A.37.69.931.181.88M.25.50.69.881.38Hole.17.28.41.53.81N2(Dimensions in inches)Bolt#6-321 ⁄4-203 ⁄8-161 ⁄2-133 ⁄4-10X46888Y23444LSRMasslb/ft.321.011.682.596.9820ºHH1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesdA1EAMN3Lock washersrecommendedHH1XSRY24 in. Standard LengthXMaterial: Aluminum AlloyLonger lengths are availableType XSR/XSRA 60 Case LinearRaceSupport Rails and AssembliesEAM N2N3Type SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-16SR-24SR-32XSR-32XSR-48SR-PDWithPreDrilledHolesSR-8-PDSR-16-PDSR-24-PDSR-32-PDType XSR/XSRA LinearRace Support Rails and Assemblies (Dimensions in inches)XSR Assy.H H1 A E MN2 N2 N3 X YWithMountingHolesWithSolidLinearRaceNominalLinearRaceDiameter–.001+.000XSRMasslb/ftXSRA-32XSRA-48Assy.WithSolidLinearRaceSRA-8SRA-16SRA-24SRA-322.0003.000Nom.LinearRaceDia.d.5001.0001.5002.000H±.0021.1251.7502.5003.2502.750 1.00 4.50 3.134.000 1.31 6.00 4.25H1.19.25.38.50.881.25A1.502.133.003.75A1±.002.7501.0631.5001.875E1.001.502.252.75M.25.50.69.88Hole Bolt Counterbore.561 ⁄2-13 x 2 1 x .75 DP.81 3 ⁄4-10 x 2.75 1.44 x 1.13 DPHole.17.28.34.41Hole.56.69N3Bolt#61 ⁄45 ⁄163 ⁄8Bolt.50.63(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .881 ⁄4-20 x 1.503 ⁄8-16 x 2.501 ⁄2-13 x 2.50X4688Y2344Counterbore deg1 x .63 DP 15 4 1.971.25 x .75 DP 25 6 2.97SRMasslb/ft.601.402.604.201631EY X X X X XREF23 13 ⁄16 ± 1 ⁄8WaymountWaymountSupport60 CaseBlockLinearRace Support Block J,K are Total AdjustmentVerticalAdjustmentFdKJ HorizontalGAdjustmentLEHCM NPA BFor installation seeWpage 142Rough BaseWaymount LinearRace Support BlockWaymountPartNumberNominalLinearRaceDiameterdL H W A B C E F G (4) J K M N PWM-8 .500 1.50 1.06 1.75 .50 .88 .25 .75 .22 #8-32 .05 .09 .69 .50 .44 .20WM-16 1.000 2.00 1.50 2.50 .75 1.25 .31 1.06 .28 1 ⁄4-28 .06 .13 .81 .69 .69 .50WM-24 1.500 2.50 2.00 3.50 1.19 1.63 .44 1.19 .34 5 ⁄16-24 .13 .13 1.00 .75 .75 1.10WM-32 2.000 3.00 2.50 4.00 1.44 1.88 .50 1.38 .41 3 ⁄8-24 .13 .13 1.25 .94 1.00 1.80WM-48 3.000 5.00 4.31 6.75 2.38 3.38 .75 2.63 .66 5 ⁄8-18 .13 .13 2.25 1.63 1.50 10.20(4)Supplied with Waymount LinearRace support block(Dimensions in inches)Masslb©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 113* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

RoundwayRoundWay Linear Roller Bearing(Dual Type)Phone: 1-800-554-8466Website: www.thomsonballbushing.comCDEFHAInfinitely adjustablewithin ±.015" rangeexcept RW-48-Swhich is ±.030"KL45ºGB60 Case LinearRaceMRoundWay* Linear Roller Bearings (Dual Type) and 60 Case* LinearRace*(Dimensions in inches)Part NumberA B C D E F G H J K L M60 Case60 Case 60 Case SolidDyn. (1)LinearRace LinearRace LinearRace Bearing LoadRoundWay 60 Case Nom.Diameter Maximum Mass Mass Cap.Bearing LinearRace Dia.Bolt Holed Length lb/in lb lb fRW-8-V 1/2 L PD .500 1.00 .45 2.38 1.38 1.00 3.00 .19 2.25 .31 #8 .19 1.38 .69 .4995/.4990 168 .06 1.10 1370RW-16-V 1 L PD 1.000 1.75 .80 3.75 2.25 1.63 5.75 .25 4.0 .50 #10 .25 2.38 1.56 .9995/.9990 180 .22 4.90 4300RW-24-V 1 1/2 L PD 1.500 2.50 1.15 5.38 2.75 2.00 7.88 .31 6.0 .63 .31 .38 3.38 2.13 1.4994/1.4989 204 .50 11.70 8600RW-32-V 2 L PD 2.000 3.25 1.50 7.38 3.50 2.50 9.75 .38 7.5 .75 .38 .44 4.38 2.50 1.9994/1.9987 204 .89 25.20 17500RW-48-V 3 L PD 3.000 5.00 2.30 11.00 5.50 4.00 15.50 .63 12.0 1.25 .63 .69 7.00 4.25 2.9992/2.9983 204 2.0090 35000(1)Dynamic Load Capacity is based on 10 million inches of travel.Load/Life Graph (Lines indicate limiting load for given RoundWay bearing)Load on most heavily loaded bearing (lbf)70000100001000100RW-48-VRW-32-VRW-24-VRW-16-VRW-8-V1 10 100 1000Required Travel Life (millions of inches)Determining RoundWay Bearing SizeThe primary factors that influence the choice ofbearing size are maximum load on a RoundWaybearing and the required travel life. To determinethe proper RoundWay bearing size enter the chartwith the maximum load of the most heavily loadedbearing and the required travel life. Mark wherethe two lines intersect. All RoundWay bearingsizes that pass through or above and to the rightof this point may be suitable for this application.Page 114©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comRoundway60 Case* LinearRace* Support Rails and Assembliesfor Continuously Supported ApplicationsType LSR and LSR-PD LinearRace Support RailsHdH1M20º TYP12º TYPALSR-PD with PreDrilled mounting holes.Y X N248 in. Standard LengthMaterial: Steel AlloyLonger lengths are availableBaseMountingSurfaceType LSR and LSR-PD LinearRace Support RailsLSRStandardWithoutHolesLSR-8LSR-16LSR-24LSR-32LSR-48LSR-PDStandardw/PreDrilledHolesLSR-8-PDLSR-16-PDLSR-24-PDLSR-32-PDLSR-48-PDNominalLinearRaceDiameterd.5001.0001.5002.0003.000H±.002.5621.0001.3751.7502.750H1.34.56.70.851.40A.37.69.931.181.88M.25.50.69.881.38Hole.17.28.41.53.81N2(Dimensions in inches)Bolt#6-321 ⁄4-203 ⁄8-161 ⁄2-133 ⁄4-10X46888Y23444LSRMasslb/ft.321.011.682.596.9820ºHH1dHA1EAType LSRA 60 CaseSmart Rail AssembliesMN3HH1MA1AMaterial: Steel AlloyLonger lengths are availableYXXN1Type SR and SR-PD 60 Case LinearRaceSupport Rails and AssembliesMaterial: Aluminum AlloyLonger lengths are availableEAY24 in. Standard LengthType XSR/XSRA 60 Case LinearRaceSupport Rails and AssembliesLock washersrecommendedXSRM N2N3Type LSRA Smart Rail* Assemblies(Dimensions in inches)Part Number (3) H A A1 Y Mounting HolesSmart Rail Smart Rail LinearRaceAssembly (1) Assembly (2) Diameter +/– 0.002 Std. X1 X2 (4) N1LSRA10 LSRA10 CR 0.625 0.687 0.45 0.225 1.0 2 3 #5LSRA12 LSRA12 CR 0.750 0.750 0.51 0.255 1.5 3 4 #6LSRA16 LSRA16 CR 1.000 1.000 0.69 0.345 1.5 3 4 #10LSRA20 LSRA20 CR 1.250 1.187 0.78 0.390 1.5 3 6 5/16LSRA24 LSRA24 CR 1.500 1.375 0.93 0.465 2.0 4 8 3/8(1) = Consists of steel rail and high carbon steel LinearRace (HRC 60–65). (2) = Consists of zinc plated steel rail and 440C St. St’l. LinearRace (HRC 50–55).(3) = Specify length of assembly and mounting hole spacing (X1 or X2) when ordering. For example, LSRA12 CR X1 x 24.00 inches. (4) = Made to order.Type SR/ SR-PD LinearRace Support Rails and AssembliesSRWithoutHolesSR-8SR-16SR-24SR-32SR-PDWithPreDrilledHolesSR-8-PDSR-16-PDSR-24-PDSR-32-PDAssy.WithSolidLinearRaceSRA-8SRA-16SRA-24SRA-32Nom.LinearRaceDia.d.5001.0001.5002.000H±.0021.1251.7502.5003.250XSR-32 XSRA-32 2.000 2.750 1.00 4.50 3.13XSR-48 XSRA-48 3.000 4.000 1.31 6.00 4.25H1.19.25.38.50A1.502.133.003.75A1±.002.7501.0631.5001.875E1.001.502.252.75M.25.50.69.88Hole.17.28.34.41N3Bolt#61 ⁄45 ⁄163 ⁄8(Dimensions in inches)LinearRaceMountingBoltN1#6-32 x .881 ⁄4-20 x 1.503 ⁄8-16 x 2.001 ⁄2-13 x 2.50X4688Y2344SRMasslb/ft.601.402.604.20Type XSR/XSRA LinearRace Support Rails and Assemblies (Dimensions in inches)XSR Assy.H H1 A E MN2 N3 X YWithMountingHolesWithSolidLinearRaceNominalLinearRaceDiameter–.001+.000Hole Bolt Counterbore Hole Bolt Counterbore degXSRMasslb/ft.881.25.561 ⁄2-13 x 2 1 x .75 DP.81 3 ⁄4-10 x 2.75 1.44 x 1.13 DP.56.69.50.631 x .63 DP 15 4 1.971.25 x .75 DP 25 6 2.971631EY X X X X XREF23 13 ⁄16 ± 1 ⁄8Waymount 60 CaseWaymount LinearRace Support Support Block BlockLEFCPFor installation seePage 142HM NJ,K are Total AdjustmentVerticalAdjustmentdKJ HorizontalGAdjustmentA BWRough BaseWaymount LinearRace Support BlockWaymountPartNumberNominalLinearRaceDiameterdL H W A B C E F G (4) J K M N PWM-8 .500 1.50 1.06 1.75 .50 .88 .25 .75 .22 8-32 .05 .09 .69 .50 .44 .20WM-16 1.000 2.00 1.50 2.50 .75 1.25 .31 1.06 .28 1 ⁄4-28 .06 .13 .81 .69 .69 .50WM-24 1.500 2.50 2.00 3.50 1.19 1.63 .44 1.19 .34 5 ⁄16-24 .13 .13 1.00 .75 .75 1.10WM-32 2.000 3.00 2.50 4.00 1.44 1.88 .50 1.38 .41 3 ⁄8-24 .13 .13 1.25 .94 1.00 1.80WM-48 3.000 5.00 4.31 6.75 2.38 3.38 .75 2.63 .66 5 ⁄8-18 .13 .13 2.25 1.63 1.50 10.20(4)Supplied with Waymount LinearRace support block(Dimensions in inches)Masslb©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 115* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

RoundwayPhone: 1-800-554-8466Website: www.thomsonballbushing.comOverhead Carriage for Log-Processing MachineObjectiveDesign overhead carriage system using RoundWay linear rollerbearings mounted on 60 Case LinearRace ways.SolutionRoundWay linear roller bearings’ high load capacity will beused to move heavy logs into and out of the band saws.The carriages shuttle back and forth on 100 foot long 60 CaseLinearRace ways until the final cut is made.Products specified2 – RW-32-V (RoundWay Linear Roller bearing Dual Type)2 – RW-32-S (RoundWay Linear Roller bearing Single Type)2 – 2 L PD CTL x 100 ft (60 Case LinearRace)BenefitsRoundWay linear roller bearings provide operating speeds up to100 ft/s, optimizing productivity and minimizing cost. TheRoundWay bearings’ low coefficient of friction allows the use ofsmaller, less expensive drive motors, belts, linkages and gears.The seal keeps out wood chips and other contaminants andmaximizes bearing life.Page 116©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comFluoroNyliner*FluoroNyliner Bushing BearingThomson FluoroNyliner* Bushing Bearing Offers:• High performance in contaminated, washdown, or submerged environments• Proprietary, self-lubricating, composite bearing liner TEP 950• Low friction, ideally suited for linear and rotary motion• Precision machined aluminum sleeve• Excellent performance in high vibration and mechanical shock applications• Corrosion resistance• Product availability in industry standard sizes from 0.25" to 2.00"• Closed, Open, and Self-Aligning configurations• Load capacities up to 14,000 lbf• Integral seals• Closed, Open, and Flanged Pillow Blocks available in single or twin versions• Available from over 1800 distributors worldwide©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 117* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

FluoroNyliner*Phone: 1-800-554-8466Website: www.thomsonballbushing.comFluoroNyliner* Bushing BearingEight Bearing ConfigurationsClosed BearingNominalBearingDiameter(in.)0.2500.3750.5000.6250.7501.0001.2501.5002.00060 Case* LinearRace*ShaftingCarbon Steel1/4 L3/8 L1/2 L5/8 L3/4 L1 L1 1/4 L1 1/2 L2 LCOMMON SPECIFICATIONS316 StainlessSteel1/4 L 316 SS3/8 L 316 SS1/2 L 316 SS5/8 L 316 SS3/4 L 316 SS1 L 316 SS1 1/4 316 SS1 1/2 L 316 SS2 L 316 SSRecommendedShaft Diameter (in.)Min Max0.2490 0.24950.3740 0.37450.4990 0.49950.6240 0.62450.7490 0.74950.9990 0.99951.2490 1.24951.4989 1.49941.9987 1.9994Weightlbs.0.0080.0130.0300.0720.0900.1900.3800.6101.230EffectiveSurfaceArea (in 2 )0.190.330.630.941.222.253.284.518.01Max StaticLoad 2lbf3005009701450190035005100700012500Self-Aligning BearingCLOSED BEARINGSELF-ALIGNING BEARINGC2C4C2C4DD1 D2dTHOMSONFNYBU08USADD1 D2C3C1CSIDE VIEWFRONT VIEWC3C1CSIDE VIEWSTANDARD BEARINGSPrecision I.D. Compensated I.D. (1) Closed Bearing Dimensions (in.)Part d (in.) Part d (in.) NominalBearingD C C1 C2 C3 C4Number Min Max Number Min Max Diameter Max Min D1 D2 Min Max Min MinFNYBU-04 0.2510 0.2520 FNYBU-04-L 0.2530 0.2540 0.250 0.4990 0.5000 0.399 0.467 0.735 0.750 0.519 0.041 0.125 0.080FNYBU-06 0.3760 0.3770 FNYBU-06-L 0.3780 0.3790 0.375 0.6240 0.6250 0.524 0.596 0.860 0.875 0.634 0.041 0.187 0.080FNYBU-08 0.5010 0.5020 FNYBU-08-L 0.5030 0.5040 0.500 0.8740 0.8750 0.712 0.833 1.235 1.250 0.956 0.046 0.250 0.125FNYBU-10 0.6260 0.6270 FNYBU-10-L 0.6280 0.6290 0.625 1.1240 1.1250 0.962 1.070 1.485 1.500 1.101 0.056 0.312 0.125FNYBU-12 0.7510 0.7520 FNYBU-12-L 0.7540 0.7550 1.750 1.2490 1.2500 1.187 1.195 1.610 1.625 1.163 0.056 0.312 0.125FNYBU-16 1.0010 1.0010 FNYBU-16-L 1.0040 1.0050 1.000 1.5614 1.5625 1.402 1.490 2.235 2.250 1.745 0.068 0.500 0.125FNYBU-20 1.2520 1.2520 FNYBU-20-L 1.2550 1.2560 1.250 1.9990 2.0000 1.837 1.889 2.605 2.625 2.015 0.070 0.625 0.125FNYBU-24 1.5010 1.5022 FNYBU-24-L 1.5050 1.5062 1.500 2.3740 2.3750 2.152 2.265 2.985 3.000 2.402 0.086 0.750 0.165FNYBU-32 2.0010 2.0024 FNYBU-32-L 2.0060 2.0074 2.000 2.9990 3.0000 2.775 2.860 3.985 4.000 3.180 0.103 1.000 0.188STANDARD SELF-ALIGNING BEARINGSPrecision I.D. Compensated I.D. (1) Closed Bearing Dimensions (in.)Part d (in.) Part d (in.) NominalBearingD C C1 C2 C3 C4Number Min Max Number Min Max Diameter Max Min D1 D2 Min Max Min MinFNYBU-04-A 0.2510 0.2520 FNYBU-04-AL 0.2530 0.2540 0.250 0.4990 0.5000 0.399 0.467 0.735 0.750 0.519 0.041 0.125 0.080FNYBU-06-A 0.3760 0.3770 FNYBU-06-AL 0.3780 0.3790 0.375 0.6240 0.6250 0.524 0.596 0.860 0.875 0.634 0.041 0.187 0.080FNYBU-08-A 0.5010 0.5020 FNYBU-08-AL 0.5030 0.5040 0.500 0.8740 0.8750 0.712 0.833 1.235 1.250 0.956 0.046 0.250 0.125FNYBU-10-A 0.6260 0.6270 FNYBU-10-AL 0.6280 0.6290 0.625 1.1240 1.1250 0.962 1.070 1.485 1.500 1.101 0.056 0.312 0.125FNYBU-12-A 0.7510 0.7520 FNYBU-12-AL 0.7540 0.7550 1.750 1.2490 1.2500 1.187 1.195 1.610 1.625 1.163 0.056 0.312 0.125FNYBU-16-A 1.0010 1.0010 FNYBU-16-AL 1.0040 1.0050 1.000 1.5614 1.5625 1.402 1.490 2.235 2.250 1.745 0.068 0.500 0.125FNYBU-20-A 1.2520 1.2520 FNYBU-20-AL 1.2550 1.2560 1.250 1.9990 2.0000 1.837 1.889 2.605 2.625 2.015 0.070 0.625 0.125FNYBU-24-A 1.5010 1.5022 FNYBU-24-AL 1.5050 1.5062 1.500 2.3740 2.3750 2.152 2.265 2.985 3.000 2.402 0.086 0.750 0.165FNYBU-32-A 2.0010 2.0024 FNYBU-32-AL 2.0060 2.0074 2.000 2.9990 3.0000 2.775 2.860 3.985 4.000 3.180 0.103 1.000 0.188(1) Compensated I.D. bearings have additional running clearance, ideally suited for high speed and non-parallel shaft applications.(2) Open bearings operating in shear should be derated by 40%. Open bearings operating in tension should be derated by 70%.Page 118©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comFluoroNyliner* Bushing BearingOpen BearingFluoroNyliner*Self-Aligning Open BearingOPEN BEARINGSELF-ALIGNING OPEN BEARINGC2E C4 dFNYBU-10-OPN ANDFNYBU-10-L-OPN ONLYdC2C4EDGD1 D2THOMSONFNYBU080PNUSA15ºTHOMSONFNYBU100PNUSADGD1 D2FC3C1CSIDE VIEWBaFRONT VIEWBaFRONT VIEWC3C1CSIDE VIEWFSTANDARD OPEN BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Open Bearing Dimensions (in.) (in.)Part d (in.) Part d (in.) NominalBearingD C C1 C2 C3 C4Number Min Max Number Min Max Diameter Max Min D1 D2 Min Max Min MinFNYBU-04-OPN 0.2510 0.2520 FNYBU-04-L-OPN 0.2530 0.2540 0.250 0.4990 0.5000 0.399 0.467 0.735 0.750 0.519 0.041 0.125 0.080FNYBU-06-OPN 0.3760 0.3770 FNYBU-06-L-OPN 0.3780 0.3790 0.375 0.6240 0.6250 0.524 0.596 0.860 0.875 0.634 0.041 0.187 0.080FNYBU-08-OPN 0.5010 0.5020 FNYBU-08-L-OPN 0.5030 0.5040 0.500 0.8740 0.8750 0.712 0.833 1.235 1.250 0.956 0.046 0.250 0.125FNYBU-10-OPN 0.6260 0.6270 FNYBU-10-L-OPN 0.6280 0.6290 0.625 1.1240 1.1250 0.962 1.070 1.485 1.500 1.101 0.056 0.312 0.125FNYBU-12-OPN 0.7510 0.7520 FNYBU-12-L-OPN 0.7540 0.7550 1.750 1.2490 1.2500 1.187 1.195 1.610 1.625 1.163 0.056 0.312 0.125FNYBU-16-OPN 1.0010 1.0010 FNYBU-16-L-OPN 1.0040 1.0050 1.000 1.5614 1.5625 1.402 1.490 2.235 2.250 1.745 0.068 0.500 0.125FNYBU-20-OPN 1.22510 1.2520 FNYBU-20-L-OPN 1.2550 1.2560 1.250 1.9990 2.0000 1.837 1.889 2.605 2.625 2.015 0.070 0.625 0.125FNYBU-24-OPN 1.5010 1.5022 FNYBU-24-L-OPN 1.5050 1.5062 1.500 2.3740 2.3750 2.152 2.265 2.985 3.000 2.402 0.086 0.750 0.165FNYBU-32-OPN 2.0010 2.0024 FNYBU-32-L-OPN 2.0060 2.0074 2.000 2.9990 3.0000 2.775 2.860 3.985 4.000 3.180 0.103 1.000 0.188STANDARD SELF-ALIGNING OPEN BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Self-Aligning Open Bearing Dimensions Dimensions (in.) (in.)Part d (in.) Part d (in.) NominalBearingD C C1 C2 C3 C4Number Min Max Number Min Max Diameter Max Min D1 D2 Min Max Min MinFNYBU-04-OPN 0.2510 0.2520 FNYBU-04-AL-OPN 0.2530 0.2540 0.250 0.4990 0.5000 0.399 0.467 0.735 0.750 0.519 0.041 0.125 0.080FNYBU-06-OPN 0.3760 0.3770 FNYBU-06-AL-OPN 0.3780 0.3790 0.375 0.6240 0.6250 0.524 0.596 0.860 0.875 0.634 0.041 0.187 0.080FNYBU-08-OPN 0.5010 0.5020 FNYBU-08-AL-OPN 0.5030 0.5040 0.500 0.8740 0.8750 0.712 0.833 1.235 1.250 0.956 0.046 0.250 0.125FNYBU-10-OPN 0.6260 0.6270 FNYBU-10-AL-OPN 0.6280 0.6290 0.625 1.1240 1.1250 0.962 1.070 1.485 1.500 1.101 0.056 0.312 0.125FNYBU-12-OPN 0.7510 0.7520 FNYBU-12-AL-OPN 0.7540 0.7550 1.750 1.2490 1.2500 1.187 1.195 1.610 1.625 1.163 0.056 0.312 0.125FNYBU-16-OPN 1.0010 1.0010 FNYBU-16-AL-OPN 1.0040 1.0050 1.000 1.5614 1.5625 1.402 1.490 2.235 2.250 1.745 0.068 0.500 0.125FNYBU-20-OPN 1.22510 1.2520 FNYBU-20-AL-OPN 1.2550 1.2560 1.250 1.9990 2.0000 1.837 1.889 2.605 2.625 2.015 0.070 0.625 0.125FNYBU-24-OPN 1.5010 1.5022 FNYBU-24-AL-OPN 1.5050 1.5062 1.500 2.3740 2.3750 2.152 2.265 2.985 3.000 2.402 0.086 0.750 0.165FNYBU-32-OPN 2.0010 2.0024 FNYBU-32-AL-OPN 2.0060 2.0074 2.000 2.9990 3.0000 2.775 2.860 3.985 4.000 3.180 0.103 1.000 0.188(1) Compensated I.D. bearings have additional running clearance, ideally suited for high speed and non-parallel shaft applications.NOTE: Max static load for open bearings operating in shear should be derated by 40%. Open bearings operating in tension should be derated by 70%.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 119* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

FluoroNyliner*Phone: 1-800-554-8466Website: www.thomsonballbushing.comFluoroNyliner* Bushing Bearing Pillow BlocksFor easiestinstallation, orderPillow Blocks withfactory installedFluoroNyliner*Bushing bearings.THREE PILLOW BLOCK CONFIGURATIONSCLOSEDCLOSED BEARING PILLOW BLOCKS• For end supported applications• Choose twin pillow blocks for twice the load capacity• Order with seals for heavily contaminated environments• Available as single or twin pillow blocksOPENOPEN BEARING PILLOW BLOCKS• For continuously supported applications• Choose compensated I.D. bearings for non-parallel shafting• Order with seals for heavily contaminated environments• Available as single or twin pillow blocksFLANGEDFLANGED PILLOW BLOCKS WITH CLOSED BEARINGS• For low profile applications such as packaging equipment• Choose precision I.D. bearings for precision fit-up• Available with self-aligning or compensated I.D. bearings• Available as single or twin pillow blocksPage 120©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comFluoroNyliner*FluoroNyliner* Bushing Bearing Pillow BlocksCLOSED PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSA2SINGLE PILLOW BLOCKG1TWIN PILLOW BLOCKG1H1HFGF1NNE1EEABBEND VIEW SIDE VIEW SIDE VIEWGCLOSED SINGLE PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Twin Open Pillow Bearing Block Dimensions (in.) (in.)Part Number Part Number H H1 A A2 B E E1 F F1 G G1 N Pillow Max±0.003 ±0.010 ±0.010Hole / BoltBlockMass (lb)StaticLoad (lbf)FNYBU-PB-04-A-LS FNYBU-PB-04-AL-LS .437 .81 1.63 1.00 1.19 .750 1.313 .75 .19 .44 .22 .16 #6 .10 300FNYBU-PB-06-A-LS FNYBU-PB-06-AL-LS .500 .94 1.75 1.13 1.31 .875 1.438 .88 .19 .50 .22 .16 #6 .13 500FNYBU-PB-08-A-LS FNYBU-PB-08-AL-LS .687 1.25 2.00 1.38 1.69 1.000 1.688 1.13 .25 .59 .84 .16 #6 .40 970FNYBU-PB-10-A-LS FNYBU-PB-10-AL-LS .875 1.63 2.50 1.75 1.94 1.125 2.125 1.44 .28 .85 .68 .19 #8 1.00 1450FNYBU-PB-12-A-LS FNYBU-PB-12-AL-LS .937 1.75 2.75 1.88 2.06 1.250 2.375 1.56 .31 .94 .72 .19 #8 1.20 1900FNYBU-PB-16-A-LS FNYBU-PB-16-AL-LS 1.187 2.19 3.25 2.38 2.81 1.750 2.875 1.94 .38 1.19 .86 .22 #10 2.40 3500FNYBU-PB-20-A-LS FNYBU-PB-20-AL-LS 1.500 2.81 4.00 3.00 3.63 2.000 3.500 2.50 .44 1.50 1.20 .22 #10 5.00 5100FNYBU-PB-24-A-LS FNYBU-PB-24-AL-LS 1.750 3.25 4.75 3.50 4.00 6.500 2.500 2.88 .50 1.75 1.25 .28 1/4 7.80 7000FNYBU-PB-24-A-LS FNYBU-PB-24-AL-LS 2.125 4.06 6.00 4.50 5.00 3.250 3.250 3.63 .63 2.12 1.58 .41 1/4 7.80 12,500CLOSED TWIN BEARING PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Twin Open Pillow Bearing Block Dimensions (in.) (in.)Part Number Part Number H H1 A A2 B E E1 F F1 G G1 N Pillow Max±0.003 ±0.010 ±0.010Hole / BoltBlockMass (lb)StaticLoad (lbf)FNYBU-TWN-04-A-LS FNYBU-TWN-04-AL-LS .437 .81 1.63 1.00 2.50 2.000 1.313 .75 .19 .44 1.25 .16 #6 .19 600FNYBU-TWN-06-A-LS FNYBU-TWN-06-AL-LS .500 .94 1.75 1.13 2.75 2.050 1.438 .88 .19 .50 1.37 .16 #6 .25 1000FNYBU-TWN-08-A-LS FNYBU-TWN-08-AL-LS .687 1.25 2.00 1.38 3.50 2.000 1.688 1.13 .25 .59 1.75 .16 #6 .40 1940FNYBU-TWN-10-A-LS FNYBU-TWN-10-AL-LS .875 1.63 2.50 1.75 4.00 3.000 2.125 1.44 .28 .85 2.00 .19 #8 1.00 2900FNYBU-TWN-12-A-LS FNYBU-TWN-12-AL-LS .937 1.75 2.75 1.88 4.50 3.500 2.375 1.56 .31 .94 2.25 .19 #8 1.20 3800FNYBU-TWN-16-A-LS FNYBU-TWN-16-AL-LS 1.187 2.19 3.25 2.38 6.00 4.500 2.875 1.94 .38 1.19 3.00 .22 #10 2.40 7000FNYBU-TWN-20-A-LS FNYBU-TWN-20-AL-LS 1.500 2.81 4.00 3.00 7.50 5.500 3.500 2.50 .44 1.50 3.75 .22 #10 5.00 10,200FNYBU-TWN-24-A-LS FNYBU-TWN-24-AL-LS 1.750 3.25 4.75 3.50 9.00 6.500 4.125 2.88 .50 1.75 4.50 .28 1/4 7.80 14,000(1) Compensated I.D. bearings have additional running clearance, ideally suited for high speed and non-parallel shaft applications.(2) All dimensions in inches unless otherwise noted.Note: For Pillow Block Seals or non-self-aligning bearings see Part Number Matrix on Page 123.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 121* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

FluoroNyliner*Phone: 1-800-554-8466Website: www.thomsonballbushing.comFluoroNyliner* Bushing Bearing Pillow BlocksOPEN PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSSINGLE PILLOW BLOCKTWIN PILLOW BLOCKH1HAE1F1GBENGBENE230A2G1G1END VIEW 30SIDE VIEW SIDE VIEWOPEN SINGLE PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Single Open Pillow Bearing Block Dimensions (in.) (in.)Part Number Part Number H H1 A A2 B E E1 F1 G G1 N Pillow Max±0.003 ±0.010 ±0.010Hole / BoltBlockMass (lb)StaticLoad (3) (lbf)FNYBU-PBO-08-A-LS FNYBU-PBO-08-AL-LS .687 1.25 2.00 1.38 1.69 1.000 1.688 .25 .69 .84 .16 #6 .20 970FNYBU-PBO-10-A-LS FNYBU-PBO-10-AL-LS .875 1.63 2.50 1.75 1.94 1.125 2.125 .28 .70 .68 .19 #8 .50 1450FNYBU-PBO-12-A-LS FNYBU-PBO-12-AL-LS .937 1.75 2.75 1.88 2.06 1.250 2.375 .31 .94 .72 .19 #8 .60 1900FNYBU-PBO-16-A-LS FNYBU-PBO-16-AL-LS 1.187 2.19 3.25 2.38 2.81 1.750 2.875 .38 1.20 .86 .22 #10 1.20 3500FNYBU-PBO-20-A-LS FNYBU-PBO-20-AL-LS 1.500 2.81 4.00 3.00 3.63 2.000 3.500 .44 1.50 1.20 .22 #10 2.50 5100FNYBU-PBO-24-A-LS FNYBU-PBO-24-AL-LS 1.750 3.25 4.75 3.50 4.00 2.500 4.125 .50 1.75 1.25 .28 1/4 3.80 7000FNYBU-PBO-32-A-LS FNYBU-PBO-32-AL-LS 2.125 4.06 6.00 4.50 5.00 3.250 5.250 .63 2.12 1.58 .41 3/8 7.00 12,500OPEN TWIN PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Twin Open Pillow Bearing Block Dimensions (in.) (in.)Part Number Part Number H H1 A A2 B E E1 F1 G G1 N Pillow Max±0.003 ±0.010 ±0.010Hole / BoltBlockMass (lb)StaticLoad (3) (lbf)FNYBU-TWNO-08-A-LS FNYBU-TWNO-08-AL-LS .687 1.25 2.00 1.38 3.50 2.000 1.688 .25 .59 1.75 .16 #6 .40 1940FNYBU-TWNO-10-A-LS FNYBU-TWNO-10-AL-LS .875 1.63 2.50 1.75 4.00 3.000 2.125 .28 .85 2.00 .19 #8 1.00 2900FNYBU-TWNO-12-A-LS FNYBU-TWNO-12-AL-LS .937 1.75 2.75 1.88 4.50 3.500 2.375 .31 .94 2.25 .19 #8 1.20 3800FNYBU-TWNO-16-A-LS FNYBU-TWNO-16-AL-LS 1.187 2.19 3.25 2.38 6.00 4.500 2.875 .38 1.20 3.00 .22 #10 2.40 7000FNYBU-TWNO-20-A-LS FNYBU-TWNO-20-AL-LS 1.500 2.81 4.00 3.00 7.50 5.500 3.500 .44 1.50 3.75 .22 #10 5.00 10,200FNYBU-TWNO-24-A-LS FNYBU-TWNO-24-AL-LS 1.750 3.25 4.75 3.50 9.00 6.500 4.125 .50 1.75 4.50 .28 1/4 7.80 14,000(1) Compensated I.D. bearings have additional running clearance, ideally suited for high speed and non-parallel shaft applications.(2) All dimensions in inches unless otherwise noted.(3) Open bearings operating in shear should be derated by 40%. Open bearings operating in tension should be derated by 70%.Note: For Pillow Block Seals or non-self-aligning bearings see Part Number Matrix on Page123.Page 122©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comFlanged Pillow Blocks with Self-Aligning BearingsFLANGED PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSFluoroNyliner*BESingle Pillow BlockSLVBETwin Pillow BlockSLVB EDB EDG1G1END VIEW SIDE VIEW END VIEW SIDE VIEWFLANGED SINGLE PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Single Open Pillow Bearing Block Dimensions Dimensions (in.) (2)Part Number Part Number Nominal B E L D V G1 S 60 Case LinearRace*Bearing ±0.010 ±0.010 Shaft Hole Shaft DiameterDiameter Diameter Min MaxFNYBU-FB-08-A-LS FNYBU-FB-08-AL-LS .500 1.63 1.250 1.69 1.25 .25 .72 .19 .4990 .4995FNYBU-FB-12-A-LS FNYBU-FB-12-AL-LS .750 2.38 1.750 2.06 1.75 .38 .89 .22 .7490 .7495FNYBU-FB-16-A-LS FNYBU-FB-16-AL-LS 1.00 2.75 2.125 2.81 2.25 .50 1.27 .28 .9990 .9995FNYBU-FB-20-A-LS FNYBU-FB-20-AL-LS 1.25 3.50 2.750 3.63 3.00 .63 1.67 .35 1.2490 1.2495FNYBU-FB-24-A-LS FNYBU-FB-24-AL-LS 1.50 4.00 3.125 4.00 3.62 .75 1.86 .41 1.4989 1.4994FLANGED TWIN PILLOW BLOCKS WITH SELF-ALIGNING BEARINGSPrecision I.D. Compensated I.D. I.D. (1) (1) Twin Open Pillow Bearing Block Dimensions Dimensions (in.) (2)Part Number Part Number Nominal B E L D V G1 S 60 Case LinearRace*Bearing ±0.010 ±0.010 Shaft DiameterDiameter Thread Min MaxFNYBU-TFB-08-A-LS FNYBU-FB-08-AL-LS .500 1.63 1.250 3.20 1.25 .90 1.48 1/4 - 20 .4990 .4995FNYBU-TFB-12-A-LS FNYBU-FB-10-AL-LS .750 2.38 1.750 3.95 1.75 .90 1.98 1/4 - 20 .7490 .7495FNYBU-TFB-16-A-LS FNYBU-FB-12-AL-LS 1.00 2.75 2.125 5.33 2.25 .90 2.67 1/4 - 18 .9990 .9995FNYBU-TFB-20-A-LS FNYBU-FB-16-AL-LS 1.25 3.50 2.750 6.70 3.00 .90 3.35 5/16 - 18 1.2490 1.2495FNYBU-TFB-24-A-LS FNYBU-FB-24-AL-LS 1.50 4.00 3.125 7.50 3.62 .100 3.75 5/16 - 16 1.4989 1.4994(1) Compensated I.D. bearings have additional running clearance ideally suited for high speed and non-parallel shaft applications.(2) All dimensions in inches unless otherwise noted.Note: For Pillow Block Seals, or Non-Self-Aligning Bearings see Part Number Matrix at bottom of this page.FNYB [U] [-PB] XX [-L] [-OPN] [-LS]FNYB -FluoroNylinerBushingBearingU - USA InchBearing IDNo Entry - ClosedOPN - Open(unmounted bearings only)[ ] = Part Number Specific FeatureNo Entry - Std. Plain BearingPB - Closed Pillow BlockPBO - Open Pillow BlockFB - Flanged Pillow BlockTFB - Twin Flanged Pillow BlockTWN - Twin Pillow BlockTWNO - Open Twin Pillow BlockNo Entry - Std.L - Compensated I.D.A- Aligning (Crowned O.D.)AL-Compensated I.D. & AligningLess Seals(ForPillowBlocksOnly)Attention: Thomson FluoroNyliner* Bushing bearings are precisioncomponents. For best results and to preserve the bearing's warrantyyou must use the specified Thomson 60 Case* LinearRace* shafting.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 123* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

FluoroNyliner*Phone: 1-800-554-8466Website: www.thomsonballbushing.comFrictional Characteristics:I) Static: Tests performed on dry FNYBU-16bearings indicate that the force required toinitiate motion is dependent upon the appliedload according to the following equation:F f = 1.3 + 0.18 F aWhere:F f = Friction force, static (lbf)F a = Applied force (lbf)II)CharacteristicLiner TemperatureRangeVelocity, dryVelocity, dryVelocity, lubricatedPressurePVLimit-400˚ F to 550˚ F(-240˚ C to 288˚ C)140 ft/min. Continuous400 ft/min. Intermittent400 ft/min. Continuous1500 psi10,000 psi ft/minDynamic: The coefficient of friction is dependent upon both the pressure and the velocity.Pressure: Coefficient of friction decreases rapidly with increase in pressure.Velocity: Coefficient of friction increases with an increase in velocity, and quickly stabilizes.For example, at 100 psi, the coefficient of friction is approximately 0.25 for velocities of100ft/min and higher.COEFFICIENT OF FRICTION VS. LOAD(AT LOW SPEEDS)COEFFICIENT OF FRICTION VS. SPEED(AT 100 P.S.I.)COEFFICIENT OF FRICTION ()COEFFICIENT OF FRICTION ()LOAD (PSI)SLIDING SPEED (S.F.P.M.)Wear Rates and Life Expectancy:I) Wear rates: The wear rates of a plain bearing are dependent upon a number of variables, includingcharacteristics of the counter-face, velocity, lubrication, load and contamination. Tests conducted onFNYBU-16 bearings operating in the linear mode at approximately 70 ft/min, and at a pressure ofapproximately 33 psi, demonstrated an average radial wear change of 0.0011 inches, after 80 millioninches of travel. This yields the following formula:Where:W R = 14x(10 -6 )xTW R = Radial Wear (micro-inches)T = Travel (inches)II)Life expectancy: The life expectancy may be calculated from the wear rate. This is normallyassociated with the allowable radial clearance for a given application. The absolute wear limit isthe bearing material thickness, which is 0.028 inches.Page 124©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comFluoroNylinerFLUORONYLINER* BUSHING BEARING CHEMICAL RESISTANCE CHARTRating **Rating **CHEMICALLinerStandardAluminumOptionalHardcoatAnodizedAluminumCHEMICALLinerStandardAluminumOptionalHardcoatAnodizedAluminum2 - butanoneAcetic acid, 20%AcetoneAcetyleneAlkalinesAmmoniaAmmonia AnhydrousAmmonium Chloride, 10%Ammonium Hydroxide, 10%Amyl ChlorideAnalineBarium HydroxideBeerBenzaldehyde or BenzonitrileBenzenesulfonic AcidBoric Acid solutionsBromineButaneCalcium Chloride, 20%Calcium Hydroxide, 10%Calcium HypochloriteCamphor Oil or Carbon SulfideCarbon DioxideCarbon MonoxideCarbon TetrachlorideChloral Hydrate or Chloroacetic AcidChlorine gas, dryChlorine gas, wetChloroform or Chlorosulfonic AcidChromic Acid, 10%Citric Acid, 5%Concentrated Oxidizing AcidsCreosote or CresolDecalin or DichlorobenzeneDiethyl Ether or DimethylamineDimethyl SulfoxideEthyl AcetateEthyl AlcoholEthylene GlycolFerric Chloride, 50%Ferric NitrateFerric SulfateFerrous SulfateFluoboric AcidFluorinating Agents, StrongFluorine > 140˚F & Dry Gas > 250˚FFluosilicic AcidGasolineHydrobromic AcidAAAAEEAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAEEEEAACBBDDDBABCCCCBBCDCBBBDCCBBDDDBABCCCCBBCDBBBBDCHydrochloric Acid, 20% or 35%Hydrocyanic AcidHydrocyanic Acid, 10%Hydrofluoric AcidHydrofluosilicic AcidHydrogen Fluoride, Dry > 250˚FHydrogen Peroxide - diluteHydrogen Sulfide, DryHydrogen Sulfide, MoistHydroxidesKeroseneLactic Acid, 10%Magnesium Chloride, 50%Mercury or Silver SaltsMethyl AlcoholMethylene ChlorideMethylethyl KetoneMineral OilMolten Alkali MetalsMolten Anhydrous BasesNapthaNitric Acid, 70%Nitro BenzeneOleumPhosphoric Acid, 10%Potassium ChloratePotassium or Sodium CyanidePotassium Dichromate or NitratePotassium HydroxideSea WaterSodium ChlorateSodium ChlorideSodium Hydroxide, 20%Sodium Hypochlorite, 20%Sodium Peroxide, 10%Stannous ChlorideSulfur Dioxide, drySulfur Dioxide, 5% +H2OSulfuric Acid, 50%TrichlorethyleneToluene (122˚F/50˚C)Trifluoroacetic AcidTurpentineWater, demineralizedWater, distilledWater, SewageXyleneZinc Chloride solutionsAAEEEAAAEAAAAAAEEAEAAAEAAEAAACAAAAAAAAAAAAADDCDBCCCDDCBCCCDDCDCCCDDBCCDDCDDDCDBBCCDDCBCCCDDBDCCCDDBBBCCCD**Rating KeyA = No Attack B = Minimal Material Loss C = Moderate Material Loss D = Significant Material Loss E = Not RecommendedChemical effects are at room temperature unless otherwise noted.All information contained herein is believed to be correct but is presented without any guaranty, warranty or representation of any kind, expressor implied. Changes in temperature, concentration and/or combinations of chemicals may cause different results. Prior to use, it is recommendedthat the material be tested to determine its compatibility with a specific application. Contact Thomson applications engineers for more detailedinformation at 1-800-554-8466.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 125* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

AccessoriesPhone: 1-800-554-8466Website: www.thomsonballbushing.comAccessories AppendixThe Accessories Appendix contains the retaining rings, seals and combination bearings usedwith the products in this catalog.Table of ContentsRetaining Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127External Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128Integral Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129Resilient Mounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130Page 126©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comRetaining RingsAInternal Retaining Rings(Type PR)Push-in retaining rings, as shown, are for usewith Super Smart, Super and Precision SteelBall Bushing* closed type bearings. Eachretaining ring is installed inside the housingbore at each end of the Ball Bushing bearing.BInternal Retaining Rings (Type PR)Use withBall Bushing BearingPart NumberPart NumberSUPER-4 or 4812 (1)SUPER-6 or 61014 (1)SUPER-8 or 81420 (1)SSU-10 or SUPER-10 or 101824 (1)SSU-12 or SUPER-12 or 122026 (1)SSU-16 or SUPER-16 or 162536 (1)SSU-20 or SUPER-20 or 203242 (1)SSU-24 or SUPER-24 or 243848 (1)SUPER-32 or 324864 (1)AccessoriesNominalHousing BoreA(Dimensions in inches)Minimum EndSpace RequiredBPR-250 .500 .060PR-375 .625 .060PR-500 .875 .080PR-625 1.125 .080PR-750 1.250 .080PR-1000 1.563 .080PR-1250 2.000 .080PR-1500 2.375 .100PR-2000 3.000 .100(1)Applies to A and XA Type Precision Steel Ball Bushing bearingsO.D.External Retaining Rings(Type W)External retaining rings fit into the retainingring grooves on the outside diameter of SuperSmart, Super and Precision Steel Ball Bushingbearings to provide external mounting retention.Available in standard and stainless steelversions.External Retaining Rings(Type C)External retaining rings fit into the retainingring grooves on the outside diameter of SuperSmart, Super and Precision Steel Ball Bushingbearings (Open and Closed Type) to provideexternal mounting retention. Available instandard and stainless steel versions.TTO.D.External Retaining Rings (Types C and W)Standard SteelPart NumberStainless SteelPart NumberUse withBall Bushing BearingPart Number(Dimensions in inches)– W-125-SS INST-258-SS (2).025 .520– W-187-SS INST-369-SS (2).025 .560W-250 W-250-SS.035.720SUPER-4 or 4812 (2)C-250 C-250-SS.035.550W-375 W-375-SS.035.850SUPER-6 or 61014 (2)C-375 C-375-SS.035.673W-500 W-500-SS.0421.150SUPER-8 or 81420 (2)C-500 C-500-SS.042.923W-625 W-625-SS SSU-10 or SUPER-10 .0501.510C-625 C-625-SS or 101824 (2).050 1.180W-750 W-750-SS SSU-12 or SUPER-12 .0501.620C-750 C-750-SS or 122026 (2).050 1.301W-1000 W-1000-SS SSU-16 or SUPER-16 .0622.040C-1000 C-1000-SS or 162536 (2).062 1.620W-1250 – SSU-20 or SUPER-20 .062 2.500C-1250 – or 203242 (2).062 2.040W-1500 – SSU-24 or SUPER-24 .078 2.910C-1500 – or 243848 (2).078 2.429W-2000– SUPER-32 or 324864 (2) .0933.600W-2500– 406080 (2).1094.420W-3000 – 487296 (2).1095.310W-4000 – 6496128 (2).1257.100(2)Applies to A, XA and OPN Type Precision Steel Ball Bushing bearingsTO.D.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 127* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

AccessoriesPhone: 1-800-554-8466Website: www.thomsonballbushing.comExternal SealsExternal Seals for Fixed Diameter Housings(Dimensions in inches)O.D.Seals for Fixed DiameterHousingsDouble acting seals for Super Smart, Superand Precision Steel closed type Ball Bushingbearings. Standard and stainless versions.Sizes 1 1 /2 inch and above use spring fingersto reinforce sealing capability which could addto seal drag.TStandardSteelSealPartNumberS-250S-375S-500S-625S-750S-1000S-1250S-1500S-2000S-2500S-3000S-4000StainlessSteelSealPartNumberS-250-SSS-375-SSS-500-SSS-625-SSS-750-SSS-1000-SS––––––(1)Applies to A and XA Precision Steel Ball Bushing bearingsUse withNominalBall Bushing Bearing LinearRacePart NumberDiameter TSUPER-4 or 4812 (1) .250 .125SUPER-6 or 61014 (1) .375 .125SUPER-8 or 81420 (1) .500 .125SSU-10 or SUPER-10 or 101824 (1) .625 .125SSU-12 or SUPER-12 or 122026 (1) .750 .125SSU-24 or SUPER-24 or 243848 (1) 1.500 .375SSU-16 or SUPER-16 or 162536 (1) 1.000 .187SSU-20 or SUPER-20 or 203242 (1) 1.250 .375SUPER-32 or 324864 (1) 2.000 .3756496128 (1) 4.000 .500406080 (1) 2.500 .375487296 (1) 3.000 .500O.D..504.629.8791.1291.2541.5672.0042.3793.0043.7564.5066.006Seals for Adjustable Housings(Dimensions in inches)O.D.Seals for AdjustableHousingsDouble acting seals for Super Smart, Superand Precision Steel Ball Bushing bearings.Seals have a radial slot through thecircumferences to facilitate diameteradjustment. Standard and stainless steelversions.TStandardSteelSealStainlessSteelSealUse with Adjustable Type NominalPartPartBall Bushing Bearing LinearRaceNumber NumberPart NumberDiameter TADJ-S-500ADJ-S-625ADJ-S-750ADJ-S-1000ADJ-S-1250ADJ-S-1500ADJ-S-2000ADJ-S-2500ADJ-S-3000ADJ-S-4000ADJ-S-500-SSADJ-S-625-SSADJ-S-750-SSADJ-S-1000-SS––––––SUPER-8 or 81420 (2)SSU-10 or SUPER-10 or 101824 (2)SSU-12 or SUPER-12 or 122026 (2)SSU-16 or SUPER-16 or 162536 (2)SSU-20 or SUPER-20 or 203242 (2)SSU-24 or SUPER-24 or 243848 (2)SUPER-32 or 324864 (2)406080 (2)487296 (2)6496128 (2) .500.625.7501.0001.2501.5002.0002.5003.0004.000.125.125.125.187.375.375.375.375.500.500.8791.1291.2541.5672.0042.3793.0043.7564.5066.006(2)Applies to ADJ Type Precision Steel Ball Bushing bearingsSeals for Open Type Housings(Dimensions in inches)O.D.Seals for Open TypeHousingsDouble acting seals for Super Smart, Superand Precision Steel Ball Bushing Open Typebearings. Standard andstainless steel versions.TStandardSteelSealStainlessSteelSealUse with Open Type NominalPartPartBall Bushing Bearing LinearRaceNumber NumberPart NumberDiameter TOPN-S-500OPN-S-625OPN-S-750OPN-S-1000OPN-S-1250OPN-S-1500OPN-S-2000OPN-S-2500OPN-S-3000OPN-S-4000OPN-S-500-SSOPN-S-625-SSOPN-S-750-SSOPN-S-1000-SS––––––SUPER-8 or 81420 (3)SSU-10 or SUPER-10 or 101824SSU-12 or SUPER-12 or 122026SSU-16 or SUPER-16 or 162536SSU-20 or SUPER-20 or 203242SSU-24 or SUPER-24 or 243848SUPER-32 or 324864 (3)406080 (3)487296 (3)6496128 (3) .500.625.7501.0001.2501.5002.0002.5003.0004.000.125.125.125.187.375.375.375.375.500.500.8791.1291.2541.5672.0042.3793.0043.7564.5066.006(3)Applies to OPN Type Precision Steel Ball Bushing bearingsPage 128©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comAccessoriesIntegral SealsSeals for Sealed Super Ball Bushing Bearings(Closed Type)Double acting replacement seals for the Sealed Super Ball Bushing* bearing.O.D.TSeals for Sealed Super Ball Bushing Bearings(Open Type)Double acting replacement seals for the Sealed Super Ball Bushing bearing.O.D.TSeals for Sealed Super Ball Bushing Bearings (Closed Type)PartNumberS-500-DDS-625-DDS-750-DDS-1000-DDPartNumberS-500-OPN-DDS-625-OPN-DDS-750-OPN-DDS-1000-OPN-DDUse with SuperBall BushingBearing NumberNominalLinearRaceDiameterSUPER-8-DD .500 .120SUPER-10-DD .625 .120SUPER-12-DD.750 .120SUPER-16-DD1.000 .180Seals for Sealed Super Ball Bushing Bearings (Open Type)Use with SuperNominalBall Bushing LinearRaceBearing Number Diameter TSUPER-8-DD-OPN .500 .120SUPER-10-DD-OPN .625 .120SUPER-12-DD-OPN .750 .120SUPER-16-DD-OPN 1.000 .180(Dimensions in inches)TO.D..7701.0101.1101.390(Dimensions in inches)O.D..7701.0101.1101.390Felt Seals for Closed Type Diameter Housings(Dimensions in inches)O.D.Felt Seals for Closed TypeBall Bushing bearingsFelt seals for Super Smart, Super andPrecision Steel closed type Ball Bushingbearings. Felt seals reduce drag forapplications where reduced friction iscritical. Felt seals provide minimalprotection from the ingress ofcontamination. Use PR type externalretaining rings for retention.TStandardFelt SealPart NumberFS-250FS-375FS-500FS-625FS-750FS-1000FS-1250FS-1500FS-2000Seals for RoundWay Linear Roller BearingsStandard seals for both single and dual types.Seals for RoundWay Linear Roller BearingsSealNumberUse withNominalBall Bushing BearingLinearRacePart NumberDiameter T O.D.SUPER-4 or 4812 (1) .250 .125 .500SSU-10 or SUPER-10 or 101824 (1) .625 .125 1.125SUPER-6 or 61014 (1) .375 .125 .625SUPER-8 or 81420 (1).500 .125 .875SSU-12 or SUPER-12 or 122026 (1) .750 .125 1.250SSU-16 or SUPER-16 or 162536 (1)SSU-20 or SUPER-20 or 203242 (1)SSU-24 or SUPER-24 or 243848 (1) 1.0001.2501.500.125.188.1881.5632.0002.375SUPER-32 or 324864 (1) 2.000 .188 3.000(1)Applies to A, XA and ADJ Type Precision Steel Ball Bushing bearingsNominalLinearRaceDiameterOverallLengthLOverallWidthW(Dimensions in inches)Overall Height fromCenterline of LinearRaceHRS-16 1.0005.00 1.002.25RS-24 1.5006.50 1.383.25RS-322.000 8.50 1.884.25RS-483.00013.00 2.636.50RS-64 4.000 17.00 3.38 8.50©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 129* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

AccessoriesPhone: 1-800-554-8466Website: www.thomsonballbushing.comResilient MountsResilient Ball Bushing Bearing Mounts for Ease of InstallationUsed with Precision Steel Ball Bushing bearings Type A and XA. Resilient Ball Bushing bearing mounts are sometimes usedwhen absolute rigidity is not essential and where a slightly larger housing bore can be accommodated. The self-aligning featureof these mounts guarantee uniform load distribution over the entire length of the load carrying balls and compensates for slighterrors in housing bores and parallel 60 Case* LinearRace* alignment. The mount consists of a band of resilient material that canbe easily mounted to the outside diameter of the Ball Bushing bearing. After it is installed in the housing bore it provides permanentresilient, self-aligning support for the bearing. Resilient mounts consist of one rubber ring, 2 spacers and 2 retaining rings.Ball Bushing bearings must be purchased separately.Resilient Ball Bushing Bearing Mounts(Dimensions in inches)Resilient MountAssembly PartNumberRSL-250RSL-375RSL-500RSL-625RSL-750RSL-1000RSL-1250RSL-1500Use withBall BushingBearing NumberNominalLinearRaceDiameterRecommendedHousing Bore±.005A or XA-4812 .250 .625A or XA-61014 .375 .750A or XA-81420 .5001.000A or XA-101824 .6251.313A or XA-122026 .750 1.438A or XA-1625361.0001.813A or XA-203242 1.2502.313A or XA-243848 1.500 2.750Page 130©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comEngineeringEngineering Support AppendixThe Engineering Support Appendix contains valuable information on the applicationand use of Thomson Ball Bushing* bearings, pillow blocks, 60 Case* LinearRace* shafts,60 Case LinearRace supports and accessories.Table of ContentsPerformance Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132Ball Bushing Life Expectancy and Load Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136Load Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13860 Case LinearRace Deflection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140Application Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14260 Case LinearRace Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143Materials Engineering Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144Engineering Conversion Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 131* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

EngineeringPerformance CriteriaThe following performance criteria relates to the use, installation andspecification of Thomson Ball Bushing* bearings. Each performancecriteria plays an important role in maximizing system effectivenessand life.Figure 1Phone: 1-800-554-8466Website: www.thomsonballbushing.comHardenedPrecision RingDynamic Load CapacityThe Dynamic load capacity of a Ball Bushing bearing is determinedby the reaction between the rolling elements and the inner and outerrace. The rolling elements in a Ball Bushing bearing are a series ofhardened and precision ground bearing balls. The inner race is ahardened and precision ground 60 Case LinearRace.RetainerDouble TrackBearing PlateCross-section of Super Smart Ball Bushing BearingThe outer race can be a hardened and precision ground, ballconforming, steel bearing plate or a hardened and precision groundsteel bearing sleeve. The dynamic load capacity is also affected bythe orientation of the ball tracks, the size of the balls, the shape ofthe ball conforming groove, the number of balls that are in loadcontact and more.Since the introduction of the Ball Bushing bearing in 1945, DanaherMotion has designed and developed Ball Bushing bearing productsthat have continuously achieved dramatic increases in dynamic loadcapacity and life. Our most recent innovation is the Super Smart BallBushing bearing which has six times the dynamic load capacity or216 times greater life than the traditional Ball Bushing bearing.Figure 2Precision groundbearing platePrecision groundbearing ballsThis increase in load capacity was achieved by maximizing the loadreaction between the inner and outer races. This break-through inload capacity rivals that of linear guides while still retaining theadded benefits of the RoundRail* Advantage.The dynamic load capacity of all Thomson Ball Bushing bearings isbased on a L 10 life of two million inches of travel. The dynamic loadcapacity can be affected by the orientation of the bearing withrespect to the load or the direction of the applied load. A polar graphis included with each product specification to assist you in maximizingthe dynamic load capacity as well as the performance of theBall Bushing bearing. To determine the actual dynamic load capacityenter the polar graph with the applied load direction until it intersectsthe polar curve. Next, multiply the proper correction factor by thedynamic load capacity listed in each product specification table.Figure 3Cross-section of XR Ball Bushing BearingBearingPlateBallsCross-section of Super Ball Bushing BearingPolar GraphK 0Figure 4Hardened andPrecision GroundSleeveRetainerCross-section of Precision Steel Ball Bushing BearingPage 132©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comCoefficient of FrictionThe coefficient of friction of Thomson Ball Bushing* bearings rangesfrom 0.001 to 0.004. There are two components of the coefficient offriction, the rolling or operating friction and the static or breakawayfriction.Coefficient of Rolling FrictionThe rolling coefficient of friction is measured by the force required tooperate the Ball Bushing at a constant rate of travel. The formula fordetermining frictional resistance during operation is as follows:P f = P x f rWhere,P f = Frictional resistance (lbf)P = Resultant of externally applied loads (lbf)f r = Coefficient of rolling frictionThe following table describes the coefficient of rolling friction of BallBushing bearings operating on Thomson 60 Case* LinearRace*.These values are grouped according to the number of ball circuits ineach bearing. Friction coefficients are constant among bearingshaving three and four ball circuits, but slightly less for bearings withfive or six ball circuits. A dry Ball Bushing bearing has the lowestcoefficient of friction due to the complete absence of lubricantsurface tension effects. Values for grease lubrication ranges from100% greater in the smaller sizes to 20% to 50% greater in thelarger sizes. Oil lubrication (medium/heavy, viscosity 64 cs @ 100ºF)achieves frictional values slightly higher than those for greaselubrication.Ball Bushing bearing coefficients of rolling friction (f r )Load in % of Rolling Load RatingBearingI.D.1/4, 3/8,1/2, 5/83/4, 11 1/4thru 45/8 thru1 1/2Numberof BallCircuits3 & 45610Conditionof(for 2,000,000 inches of travel)Lubrication 125% 100% 75% 50% 25%No Lube .0011 .0011 .0012 .0016 .0025Grease Lube .0019 .0021 .0024 .0029 .0044Oil Lube .0022 .0023 .0027 .0032 .0045No Lube .0011 .0011 .0012 .0015 .0022Grease Lube .0018 .0019 .0021 .0024 .0033Oil Lube .0020 .0021 .0023 .0027 .0036No Lube .0011 .0011 .0012 .0014 .0019Grease Lube .0016 .0016 .0017 .0018 .0022Oil Lube .0018 .0018 .0019 .0021 .0027No Lube .0011 .0011 .0012 .0013 .0018Grease Lube .0014 .0014 .0015 .0016 .0019Oil Lube .0016 .0016 .0017 .0019 .0025Coefficient of Static FrictionThe coefficient of static or breakaway friction is measured by theforce required to initiate Ball Bushing bearing movement.The formula used to determine static frictional resistance is:EngineeringSeal DragAnother variable that affects the frictional resistance in a BallBushing bearing system is seal drag. When seals are used to retainlubricant or to prevent entry of foreign particles, frictional resistancemust be taken into account for determining total frictional drag. Inapplications where contamination is minimal, the seals can beremoved to reduce frictional drag. In highly contaminatedapplications, seals, wipers and or scrapers are used to minimize theingress of contamination into the bearing. This protective measureadds to the frictional drag of the bearing system. There is a fine linebetween minimizing frictional drag and maximizing contaminantprotection which is controlled by the addition or removal of seals,wipers or scrapers. In applications that require low frictional drag inhighly contaminated environments, contact Thomson applicationengineering.LubricationAll Thomson Ball Bushing bearings require a small amount of greaseor oil to operate. For most applications, lubricant is recommendedto prevent wearing and rusting of the bearing surfaces. When linearspeeds are high, a light oil should be used and the bearing shouldbe prevented from running dry for a prolonged period of time. Amedium to heavy oil or light grease has greater adhesion propertiesthat afford longer bearing protection and minimize sealing problems.The numerous built-in pockets in the Ball Bushing bearing retainerallow grease to be stored for an extended period of time. Thoughnot generally recommended, in some lightly loaded, low speed andhighly contaminated applications, Ball Bushing bearings have beenused without lubrication. For these types of applications contactThomson application engineering.All Thomson Ball Bushing bearings are shipped with a rustpreventative oil. It is recommended that you lubricate the BallBushing bearing prior to installation and periodically duringoperation to assure that the Ball Bushing bearing does not run dry.For periodic relubrication, most Thomson Ball Bushing Pillow Blocksare equipped with an access for lubrication.Danaher Motion can provide a specially formulated lubricant,specifically developed to meet a broad range of linear bearingapplications. Thomson LinearLube* lubricant is a synthetic lubricantthat utilizes suspended Teflon ® in a specially formulated compound.LinearLube lubricant provides excellent performance characteristicsin a wide range of applications. It is FDA listed, non-polluting andnon-corrosive. LinearLube lubricant will not stain and adheres tightlyto parts forming a virtually water resistant barrier.• Maintains properties in operating temperatures from –65ºF to 450ºF• USDA Rated HL (Non-Toxic)• Will not oxidize in use• 100% water resistantP f = P x f 0where f 0 = Coefficient of static frictionThe values for the coefficient of static friction or breakawayfriction are not measurably affected by the number of ballcircuits in the bearing or by the lubrication condition.Ball Bushing bearing coefficients of static friction (f o )Load in % of Rolling Load Rating125% 100% 75% 50% 25%.0028 .0030 .0033 .0036 .0040©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 133* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

EngineeringPhone: 1-800-554-8466Website: www.thomsonballbushing.comPerformance Criteria ContinuedThe RoundRail AdvantageThe RoundRail* Advantage is the inherent ability of a BallBushing bearing to accommodate torsional misalignment(caused by inaccuracies in carriage or base machining or bymachine deflection) with little increase in stress to bearingcomponents (Figure 4). This important feature to all ThomsonBall Bushing* bearing systems reduces installation time and∆HFigure 4Figure 5cost, while maximizing performance.Ball Bushing Bearing vs. Linear GuideThe major difference between a Ball Bushing bearing and linearguide system is primarily in the design of the inner race. Thelinear guide inner race has two, four or six ground grooves thatguides the carriage and the precision balls. Due to the ballconforming nature of the grooves, the carriage is preventedfrom accommodating torsional misalignment (Figure 5). Iforsional misalignment is introduced to a linear guide system,the component stress increases, reducing life and performance.In a Ball Bushing bearing system the inner race is a hardenedand ground 60 Case* LinearRace*. Due to the lack of groundgrooves, the Ball Bushing bearing system can accommodatetorsional misalignment and operate without added stress tobearing components.60 Case LinearRace/Ball Bushing Bearing Fit-upThere are three basic fit-up conditions of a Ball Bushing bearingand 60 Case LinearRace, clearance, line-to-line and preload. Inmost product sections there are specification tables that detailthe Ball Bushing bearing working bore diameter and 60 CaseLinearRace diameter tolerance as well as the fit-up betweenthem. The clearance, line-to-line and preload conditions areshown by the abbreviation C for clearance, P for preload and.0000 for a line-to-line condition.ClearanceThe clearance between a Super Smart and Super Ball Bushingbearing and a 60 Case LinearRace is a function of the BallBushing bearing working bore diameter and the diameter toleranceof the 60 Case LinearRace. The working bore diameter ofa Super Smart or Super Ball Bushing bearing is a function ofthe housing bore diameter tolerance. In applications where highaccuracy and repeatability is not required, clearance is acceptable.Clearance can be achieved by following the recommendedhousing bore guidelines found in the product specificationsections. To check for a clearance condition, simply rotate the60 Case LinearRace inside the Super Smart or Super BallBushing bearing while installed in a housing bore. If you canfreely rotate the 60 Case LinearRace then a clearance conditionis present.The clearance between the fixed diameter Precision Steel BallBushing bearing and the 60 Case LinearRace is a function ofthe Ball Bushing working bore and the 60 Case LinearRacediameter. When this Ball Bushing bearing is used with therecommended 60 Case LinearRace a clearance condition willalways exist. For more details see the product specificationsections.PreloadIn applications where accuracy and repeatability are critical, theSuper Smart, Super and Precision Steel Ball Bushing bearingscan be adjusted to a preload fit-up. The Super Smart and SuperBall Bushing bearings are inherently adjustable and wheninstalled in a adjustable housing bore a preload condition canbe achieved. In a nonadjustable housing a preload conditioncan be obtained by making the size of the housing bore smalleror by increasing the diameter of the 60 Case LinearRace. Totest for a preload condition in an adjustable or nonadjustablehousing, simply rotate the 60 Case LinearRace inside the BallBushing bearing while it is installed in the housing bore. If aslight drag is felt then a preload condition is present. When anadjustable housing is used the preload can be altered slightly.The Super Smart and Super Ball Bushing bearing are moretolerant to preload than the Precision Steel Ball Bushing bearing.Preload on a Super Smart and Super Ball Bushing bearingshould be a maximum of .001 inch per inch of 60 CaseLinearRace diameter. Preload on a Precision Steel Ball Bushingbearing should be a maximum of .0001 inch per inch of 60Case LinearRace diameter. When all Ball Bushing bearings arepreloaded, extra care must be taken in mounting the 60 CaseLinearRace parallel.Line-to-LineA line-to-line fit-up condition between a Ball Bushing bearingand 60 Case LinearRace is when no clearance or preload ispresent. A line-to-line fit-up can be achieved in an adjustable orfixed diameter housing. For more details see the productspecification sections.Examples of Ball Bushing bearing/60 Case LinearRace Fit-upsBall BushingBearingPartNumberWorkingBoreDiameterRecommendedHousing BoreDiameter (Fixed)ActualWorkingBoreDiameter60 CaseLinearRaceDiameterBall BushingBearing/60 CaseLinearRaceFit UpSUPER 20 1.2500/1.2494 2.0008/2.0000 1.2508/1.2494 1.2495/1.2490 .0018C/.0001PA-203242 1.2500/1.2494 – 1.2500/1.2494 1.2490/1.2485 .0015C/.0004CXA-203242 1.2500/1.2496 – 1.2500/1.2496 1.2495/1.2490 .0010C/.0001CPage 134©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comEngineeringSelf-AlignmentThe Super Smart* and Super Ball Bushing* bearings areequipped with a built-in self-alignment feature that allows thebearing to absorb misalignment up to 0.5º per inch (Figure 6and 7). This self-aligning feature allows the Super Smart andFigure 8LOADFigure 660 CaseLinearRaceSuper Ball Bushing Bearing Self-Alignment FeatureSuper Ball Bushing bearing to absorb misalignment caused byinaccuracies in housing bore alignment or 60 Case LinearRacedeflection.This rocking capability also provides smooth entry and exit ofthe precision balls into and out of the load zone assuring aconstant low coefficient of friction. By compensating formisalignment, each bearing ball in the load carrying area isuniformly loaded providing maximum load capacity.Besides this rocking capability, only the Super Smart BallBushing Bearing provides two additional self-alignmentfeatures. They are Roll and Yaw.0.5ºDouble track bearing plates (roll) to evenly distribute theload on each of their two ball tracks.YawThe shape formed by the Rock and Roll features allows theSuper Smart Ball Bushing bearing plate to rotate about itscenter (Figure 9). This allows the Super Smart Ball Bushingbearing to absorb skew caused by misalignment. The result isa constant low coefficient of friction and maximum bearingperformance.The diagrams below describe the conditions to which SuperSmart and Super Ball Bushings automatically self-align. It isimportant to note that even though the Super Smart and SuperBall Bushing bearings self-align, they still cannot absorb anout-of-parallel 60 Case* LinearRace* condition. Tolerance to60 Case LinearRace out-of-parallelism is a function of clearancebetween the bearing and its 60 Case LinearRace.Figure 7HardenedPrecision RingDoubleLip Wiper0.5ºBearing plates rotate about their center to preventskewing relative to the 60 Case LinearRace. Figure 9Super Smart Ball Bushing Bearing Self-Alignment FeatureRollThe Super Smart Ball Bushing bearing plate is designed withthe radius of its outer surface smaller than the inside radius ofthe precision outer ring (Figure 8). This feature allows the bearingplate to compensate for torsional misalignment and evenlydistribute the load on each of its two ball tracks. The roll componentassures maximum load capacity and travel life.Base bend or deflection, or bendin 60 Case LinearRaceTwist in base “flatness”Angular bore in housingBore centerlines out-of-line(single 60 Case LinearRace)Bore to base not parallelAngular installation of blocks©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 135* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

EngineeringBall Bushing Bearing Life Expectancyand Load CapacityThere are many factors that affect Ball Bushing* bearing travellife such as 60 Case* LinearRace* hardness, the resultant load,the direction of the resultant load and Ball Bushing bearing orientation.The dynamic load capacities and travel life graphsgiven in the specification tables found in each product sectionare based on a load applied at 90º relative to the horizontalplane with the Ball Bushing bearing oriented as shown in eachcorresponding polar graph. The dynamic load capacity is alsobased on using only Thomson specified 60 Case LinearRacethat is hardened to HRC 60 minimum.For considerations other than those described above, the followingformula is used:W R =PK O •K S •K LWhere:W R = required dynamic load capacity (lb f )P = resultant of externally applied loads (lb f )K O = factor for direction of resultant loadK S = shaft hardness factor(Equals 1.0 for 60 Case LinearRace)= load correction factorK LTravel LifeThe load correction factor, K L , can be found from Figure 1. Todetermine K L , simply enter the chart with your required travellife and intersect the curve.Figure 11Figure 2Shaft Correction Factor, K S10.90.80.70.60.50.40.30.20.10Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 50 40 30 20 10 0Shaft Hardness, Rockwell HRCLoad DirectionIn applications where the direction of the applied load isknown, refer to the polar graphs on the product specificationpages for the load correction factor, K O . A polar graph isreferenced in Figure 3 for example.Once you have determined your required dynamic loadcapacity refer to the product specification table for the properBall Bushing bearing size.0.7Figure 30.5K 0Load Correction Factor, K L0.40.30.20.11 10 100 1000Required Travel Life (millions of inches)60 Case LinearRace HardnessFor shafts that do not meet 60 Case LinearRace hardnessspecifications, shaft hardness factor K S must be applied. Todetermine K S , simply enter Figure 2 with your shaft Rockwellhardness and intersect the curve.SSU-10-OPNSSU-12-OPNSSU-16-OPNSSU-20-OPNSSU-24-OPNPolar GraphNote: Thomson Linear Ball Bushing bearings are precision components.To preserve bearing warranty you must use the specified Thomson 60 CaseLinearRace.Page 136©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comEngineeringBall Bushing Bearing Size and SelectionThe primary factors that influence the choice of bearingsize are maximum load on a single Ball Bushing* bearingand required travel life. To determine the maximum loadon a single Ball Bushing bearing refer to load considerationson page 138. To determine the required travel liferefer to the following formula:L t = 2•s•f•L h •60Where:L t = required travel life in inchess = stroke in inchesf = frequency in cycles per minuteL h = service life in hoursOnce you have determined the maximum load on asingle Ball Bushing bearing and the required travel life,enter the chart (Figure 4) and mark where the two linesintersect. All Ball Bushing bearings with curves that passthrough, or above and to the right of that point may besuitable for the application.Sample Calculation 1:Determining the correct Ball Bushing bearing for yourapplication.In this example, a Super Smart Ball Bushing bearing endsupported system is subjected to a load of 500 lb f . Theload is distributed equally over four Super Smart BallBushing bearings. The carriage reciprocates over a 12inch stroke at a frequency of 100 complete cycles perminute. The minimum service life required is 3500 hours.The first step is to determine the average load on eachSuper Smart Ball Bushing bearing.P = 500/4 = 125 lb fNext, determine the equivalent travel life in inches.L t = required travel life in inchesL t = 2•s•f•L h •60L t = 2•12•100•3500•60L t = 5.04 x 10 8 inchesEnter Figure 4 with a maximum load capacity on a singlebearing of 125 lb f and a required travel life of 5.04 x 10 8inches. All Super Smart Ball Bushing bearing curves thatpass through or above and to the right of that point, maybe suitable for the application. For this application wewill choose the SSU-12.Sample calculation 2:Determining the correct Super Smart Ball Bushingbearing for your application.In this example, an open type Super Smart Ball Bushingbearing continuously supported system is subjected to aload of 500 lb f and is hung upside down from theceiling. The load is distributed equally over four SuperSmart Ball Bushing bearings and the factor for thedirection of the resultant load is .45 (Figure 3, page 136).The carriage reciprocates over a 12 inch stroke at afrequency of 100 complete cycles per minute. Theminimum service life required is 3500 hours.The first step is to determine the average load on eachSuper Smart Ball Bushing bearing.P = 500/4 = 125 lb fDetermine the equivalent travel life in inches.L t = 2•s•f•L h •60L t = 2•12•100•3500•60L t = 5.04 x 10 8 inchesLoad on most heavily loaded bearing (lbf)4000100010050SSU-24 (-W/-WW)SSU-20 (-W/-WW)SSU-16 (-W/-WW)SSU-12 (-W/-WW)SSU-10 (-W/-WW)1 10 100 1000Required Travel Life (millions of inches)Figure 4Enter Figure 1 and determine K LThe next step is to determine the required dynamic loadcapacity.(K S = 1, since we are using aPW R =Thomson 60 Case LinearRaceK O •K S •K L HRC 60 minimum.)125W R =.45 •1•.17W R = 1633 lb fTo determine the proper Super Smart Ball Bushingbearing size enter the specification table on page 28.Choose the Super Smart Ball Bushing bearing with aload capacity higher than 1633 lb f . The SSU-12-OPNhas a dynamic load capacity of 1130 lb f and the SSU-16-OPN has a dynamic load capacity of 1900 lb f . TheSSU-16-OPN is therefore the proper choice.©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 137* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

EngineeringLoad ConsiderationWhen designing a linear motionsystem it is necessary to consider howthe variables of operation will affectperformance.The following examples demonstratehow the position of the load and the centerof gravity can influence the productselection. When evaluating your application,review each of the forces acting onyour system and determine the productbest for your needs.Terms:d 0 = distance between centerlines ofpillow blocksd 1 = distance between centerlines of 60Case LinearRace waysd 2 = distance from centerline ofcarriage to load action pointd 3 = distance from centerline ofcarriage to load action pointW = Load (lb f )F NX = Force in the X-axis direction (lb f )F NY = Force in the Y-axis direction (lb f )F NZ = Force in the Z-axis direction (lb f )( F = — W+ — W •— – —•—1Z 4 2 d 0 2 d(1F = — W– W —•— – —•—2Z 4 2 d 0 2 d(1F = — W– W —•— + —•—3Z 4 2 d 0 2 d(1F = — W+ — W •— + —•—4Z 4 2 d 0 2 d 1d 2)(W d 3)d 2)(W d 3)d 2)(W d 3)d 2)(W d 3)Horizontal Application IAt the time of movement with uniformvelocity or at the time of stop.( F = — W+ — W •— – —•—1Z 4 2 d 0 2 d(1F = — W– W —•— – —•—2Z 4 2 d 0 2 d(1F = — W– W —•— + —•—3Z 4 2 d 0 2 d(1F = — W+ — W •— + —•—4Z 4 2 d 0 2 d 1d 2)(W d 3)d 2)(W d 3)d 2)(W d 3)d 2)(W d 3)Horizontal Application IIAt the time of movement withuniform velocity or at the timeof stop.(W d 3)F ≈ F = — • —1Y 4Y 2 d(1WF W 1Z = F 4Z =— + —•—4 2 d(0WF W 2Z = F 3Z =— – —•—4 2 d 02)d 2)dSide Mounted ApplicationAt the time of movement withuniform velocity or at the timeof stop.Phone: 1-800-554-8466Website: www.thomsonballbushing.comd 3Wd 243d 312d—02dW 0F 1ZF 4ZF 2ZF 3Zd 21 24 3d—02d 0F 1ZF 4ZF 2ZF 3Zd 1—d 12dF 14ZF 3Zd 2WF 1ZF 2Zd 31 2F 1YF 2Y4 3F 3YF 4Yd— 02d 0d 1—d 12W d 2F1X ≈ F 4X = — • —2 d 0W d 3F1Y ≈ F 4Y = — • —2 d 0F 1X + F 4X ≈ F 2X + F 3XF 1Y + F 4Y ≈ F 2Y + F 3YVertical ApplicationAt the time of movement withuniform velocity or at the timeof stop.At the time of start and stop, theload varies because of inertia.d 2F 4XF 1YF 1Xd 0d 1F 2Y F2XWd 3ZYXPage 138©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRace DeflectionEngineeringWhen Thomson 60 Case* LinearRace* isused in an end supported configuration it isimportant to ensure that 60 Case LinearRacedeflections at the bearing locations are keptwithin performance limitations.These equations give the deflection at thecenter of an end supported 60 CaseLinearRace. Systems with continuous60 Case LinearRace support are not subjectto the same types of deflection.For more detailed information of the deflectioncharacteristics of Thomson linear motionproducts contact application engineering.Values for Thomson 60 Case LinearRaceLinearRace Solid TubularDiameter EI S EI S(In) (lb f •in 2 ) (lb f /in) (lb f •in 2 ) (lb f /in).187 1.8 x 10 3 .008 – –.250 5.8 x 10 3 .014 – –.375 2.9 x 10 4 .031 – –.500 9.2 x 10 4 .055 – –.625 2.3 x 10 5 .086 – –.750 4.7 x 10 5 .125 4.6 x 10 5 .0751.000 1.5 x 10 6 .222 1.3 x 10 6 .1581.250 3.6 x 10 6 .348 – –1.500 7.5 x 10 6 .500 6.3 x 10 6 .3282.000 2.4 x 10 7 .890 1.9 x 10 7 .5422.500 5.8 x 10 7 1.391 4.2 x 10 7 .7493.000 1.2 x 10 8 2.003 9.3 x 10 7 1.1124.000 3.8 x 10 8 3.560 2.5 x 10 8 1.558Simply Supported 60 Case LinearRace with One BlockDEFLECTION AT CENTER (D)1⁄2LLWDD =WL 3——— + ———5SL448 EI 384 EISimply Supported 60 Case LinearRace with Two BlocksaLaDWW— 2D =— 22 2Wa(3L – 4a )—————— +48 EI5SL 4———384 EILEGEND:D = Deflection (in)W = Load (lb f )L = Length of unsupported 60 Case LinearRace (in)a = Distance to first bearing with carriage at center position (in)S = Unit weight of LinearRace (lb f /in)E = Modulus of Elasticity (lb f •in 2 )I = Moment of inertia of area through diameter of LinearRace (in 4 )©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 139* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

EngineeringPhone: 1-800-554-8466Website: www.thomsonballbushing.comInstallation GuidelinesThomson Ball Bushing bearings are manufactured to exceptionallyclose tolerances and offer smooth, virtually friction-freelinear motion. The performance features of the bearings will onlybe realized, however, if care is taken during their installation.Figure 1Two areas of primary importance are the bearing alignment andthe 60 Case* LinearRace* parallelism. Two bearings arenormally used on each 60 Case LinearRace to assure smoothoperation. The housing should be carefully aligned using themethod given below. If a single twin-type housing is used, theseprocedures are not necessary.It is also necessary to assure that the height from the housingmounting surface to the 60 Case LinearRace is consistentwithin .001 in. Shimming may be necessary depending on theaccuracy of the mounting surfaces to which the housings arebolted.The housing can be mounted to the plate using the followingprocedure:Figure 2a. Prepare the carriage plate with one side having an abuttingsurface.b. Mount two housings with the reference edges locatedagainst the abutting surface and tighten the hold down bolts.Figure 1c. Mount the second pair of housings on the opposite side ofthe carriage and tighten the bolts finger tight.d. Insert a locating 60 Case LinearRace of correct diameter andtolerance through these two housings and referencethe distance from the abutting surface in [b] above, to thislocating 60 Case LinearRace. Figure 2e. After appropriate alignment of this pair of housings, tightenbolts to secure housings to carriage.Figure 3Page 140©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comEngineeringAfter the carriage is properly prepared, the 60 Case*LinearRace* must be mounted to the surface. To achievesmooth, accurate motion, the 60 Case LinearRace must bemounted parallel within .001 inch over the length of thestroke. This can be done by using the following procedure:a. Mount one 60 Case LinearRace (either end supported orcontinuously supported) to the surface with mounting boltsfinger tight.b. Using an aligning device such as a laser, auto-collimatoror other optics, sight the 60 Case LinearRace straight andsecure to mounting surface.c. After this first 60 Case LinearRace is fixed, the second60 Case LinearRace can be positioned and held down withbolts finger tight.d. The carriage is then mounted and its movement will pullthis second 60 Case LinearRace parallel to the first.Figures 3, 4e. If the second 60 Case LinearRace is then secured intoposition, the procedure is complete. Note that for continuouslysupported systems, this securing should be donewhen the carriage is close to the bolts. For end supportedsystems, the securing should be done when the carriage isat the ends of the 60 Case LinearRace. Figure 5f. An additional check can be done at this time to assure thatthe carriage is tracking correctly (i.e., that the carriageedge is moving parallel to the 60 Case LinearRace). Anindicator touching the carriage edge should not vary, asthe carriage is moved along the 60 Case LinearRace.Figure 6Figure 4Figure 5Figure 6©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 141* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

EngineeringApplication TipsTwo Ball Bushing* Bearings per 60 Case* LinearRace*When using the Super Smart, Super or Precision Steel BallBushing bearing it is recommended that two Ball Bushingsbearings be used on each 60 Case LinearRace. This will assuresystem stability as well optimum performance. If envelopeconstraints prohibit the use of two Ball Bushing bearings per60 Case LinearRace contact application engineering.Ball Bushing Bearing Spacing vs. 60 Case LinearRaceSpacingIn parallel 60 Case LinearRace applications, the ratio of 60 CaseLinearRace spacing to Ball Bushing bearing spacing shouldalways be less than three to one. This will assure a constantbreakaway and operating friction.60 Case LinearRace ParallelismIn most applications the maximum acceptable out ofparallelism condition is .001 inch over the entire full systemlength. In applications where preload is present (such as whenusing Die Set Ball Bushing bearings) a closer 60 CaseLinearRace parallelism is recommended.Three or More Parallel 60 Case LinearRace waysWhen aligning two 60 Case LinearRace ways parallel great careis required to assure a parallelism within .001 inch over theentire length of travel. When aligning multiple 60 CaseLinearRace ways, parallelism between each 60 CaseLinearRace should be held within the .001 inch specification.Measuring 60 Case LinearRace AlignmentMethods for establishing or checking 60 Case LinearRacestraightness and parallelism depends on the accuracy required.Lasers, collimator or alignment telescopes can be used for veryprecise applications, while accurate levels, straight edges,micrometers and indicators will suffice for the majority of applicationswhich have less stringent accuracy requirements.Installation of Super and Precision Steel Adjustable TypeBall Bushing BearingsWhen installing a Super Ball Bushing bearing into a slottedadjustable housing, the bearing plate should not align with theadjustment slot. When installing a Precision Steel AdjustableType Ball Bushing bearing into a slotted adjustable housing, thebearing adjustment slot should be 90º to the pillow blockadjustment slot. These important steps will assure accuratebearing adjustment.Access for LubricationThomson Super Smart and Super Ball Bushing Pillow Blocksare equipped with either an oil lubrication fitting or a 1 ⁄4-28access for lubrication. To use the oil fitting simply insert alubrication device into the oil nipple by depressing the springloaded ball. The 1 ⁄4-28 tapped hole is a standard size for mostgrease and lubrication fittings. Simply install the lubricationfitting of your choice and it is ready for immediate use. SuperBall Bushing Pillow blocks in sizes .250 through .500 inchdiameter are equipped with oil lubrication fittings. Super BallBushing pillow blocks in sizes .625 inch and above and allSuper Smart Ball Bushing Pillow Blocks are equipped with a1 ⁄4-28 access for lubrication.Waymount Support Block for Roundway BearingInstallationStandard Waymount LinearRace Support Blocks provide60 Case LinearRace adjustment in both the horizontal andvertical direction. This product reduces installation timedramatically, while assuring precise 60 Case LinearRacealignment. This versatile design allows the Waymount supportto be mounted vertically or horizontally and in many differentRoundway bearing applications. The number of Waymounts tobe used is based on the maximum allowable 60 CaseLinearRace deflection between supports and the accuracyrequired. Ordinarily indicators, sensitive levels and straightedges are adequate for most alignment conditions.Phone: 1-800-554-8466Website: www.thomsonballbushing.comWaymount Support BlockRight/lefthand screwRough BaseVerticalAdjustmentHorizontalAdjustmentRoundWay* Bearing/60 Case LinearRaceInstallation Using GroutGrouting is a very simple method of mounting a 60 CaseLinearRace on almost any kind of surface, smooth or uneven.Grouting can also be used in conjunction with standardWaymount LinearRace support blocks or other 60 CaseLinearRace supports to obtain maximum rigidity. Dams arefastened to the bed parallel to the 60 Case LinearRace whichis then aligned with its mating 60 Case LinearRace (Figure 1).A compound, such as Thomson Waystone*, is then pouredunder and around the lower circumference of the 60 CaseLinearRace. This dries quickly forming a solid support of highcompressive strength (over 12,000 psi) without affecting theinitial straightness of the LinearRace.If the bearing arrangement permits the grout to flow substantiallyaround the circumference of the 60 Case LinearRaceand side loads are light, Waymount LinearRace supports orother hold down bolts along the length made be unnecessary(Figure 2). Just one support at each end of the 60 CaseLinearRace will usually provide final alignment and hold the60 Case Linear-Race in position for grouting. If the length todiameter ratio is large, Waymount LinearRace supportsshould be equally spaced to minimize 60 Case LinearRacedeflection. Grout should always be in direct contact with thesurface of the bed or whatever base member providesprimary rigidity and support.Figure 1Figure 2GroutGrouting DamAdjustingScrewRoughBase60 CaseLinearRaceSnap RingWasher60 Case LinearRaceGroutJam NutBoltTemporaryBracketAdjustingScrewGroutingDamRough BasePage 142©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.com60 Case LinearRaceShafting SpecificationsThomson 60 Case* LinearRace* provides the inner race forThomson Ball Bushing bearings. All 60 Case LinearRace ismanufactured to extremely close tolerances for surfacefinish, roundness, hardness and straightness to provide longservice life with reduced maintenance.Specifications:Hardness: HRC 60 minimumSurface Finish: 12 R a microinchRoundness: 80 millionths of an inchStraightness: Standard––.001 inch per foot cumulative(.002 TIR) Special––.0005 inch per footcumulative (.001 TIR)Length Tolerance: Standard +/–.030 inch for diameters up to2 inches and +/–.060 for diameters 2 inchand over. Special length tolerances available.Chamfer: Standard chamfer on diameters up to 1inch is .030 x 45º and .060 x 45º fordiameters larger than 1 inch.Tensile Strength: Case: 335,000 psi, Core: 100,000 psiYield Strength: Case: 250,000 psi, Core: 75,000 psiLoad FactorIn applications where the applied load exceeds 70% of themaximum dynamic load capacity of Super Smart BallBushing bearings, a high load correction factor K f must beapplied to W R when calculating travel life. (Figure 1)Short stroke selection correction factor factorKc K c10.90.80.70.60.50.40.30.20.1EngineeringShort Stroke ApplicationsIn applications when the stroke length is short, the life of theshaft is shorter than that of the Ball Bushing bearing. In shortstroke applications, the required dynamic load capacity mustbe multiplied by the factor K C found on Figure 2.Figure 200 0.5 1 1.5 2 2.5 3Stroke length/bearing Stroke lengthBearing lengthFigure 1High load correction factorK f10.90.80.70.60.50.40.30.20.100 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1K L©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 143* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

EngineeringPhone: 1-800-554-8466Website: www.thomsonballbushing.comMaterial engineering specificationsBall Bushing* bearing materials.The following is a tabulation of the materials used forthe components of the various types of Ball BushingbearingsTypeSSU, SUPER BallBushing BearingsSeries A, B, XA, ADJ,OPN and DSStainless Steel (SS)to 1" I.D.Series A, XA, ADJand OPNSeries INST-SSSeries XROuterSleeveDelrinE52100440A440AReinforcedNylonCorrosion resistanceBallRetainersDelrinSteelType 305SSBrassReinforcedPolyesterBearingPlates8620Super Ball Bushing bearings can be supplied corrosionresistant with hard chromeplated bearing plates andstainless steel balls. Load capacity will be 70% ofregular Super Ball Bushing bearings. To order, addsuffix CR to Super Ball Bushing bearingpart number.Contact factory for price and delivery information.For limited protection against atmosphericcorrosion, large sizes (over 1" diameter) of series A, XA,ADJ, OPN and B, Ball Bushing bearings can besupplied with stainless steel balls and black oxidesleeve. Load capacity will be 70% of regular steel bearings.To order, add suffix SP to bearing part number.Contact factory for price and delivery.––––––8620BallsChromeSteelChromeSteel440C440CChromeSteelEndRingsNoneSteelType303SSNoneSteel60 Case* shafts –hardened and groundMaterial TypeSolid 60 CaseTubular 60 CaseSolid Stainless SteelMaximum recommended operatingtemperatures for Ball Bushing bearingsThe following are general recommendations. Foradditional information or more specific recommendationsplease contact factory with full application details.Type of Ball BushingbearingsSSU, Super & Series XRSeries A, B, XA, ADJ & OPNSeries A-SS, XA-SS,ADJ-SS, OPN-SS &INST-SS Stainless Steel(through 1" I.D.)AISIBearing-quality, highcarbon alloy steeelBearing-quality, highcarbon alloy steel440C StainlessMaximum OperatingTemperaturePillow blocks and shaft supportsRockwell “C”60 min58 min50 minMaximum OperatingTemperature as %of Catalog LoadRatingLoad Rating at185ºF100%500ºF †70%600ºF † 60%†Maximum operating temperature for these two series for full catalog load rating is 300ºF.Note: Type PB-A, PB-ADJ, and PBO-OPN pillow blocks are assembled with Delrin plastic seal covers with amaximum operating temperature at 185ºF.Part TypeMaterialStainless steel Ball Bushing bearingsAvailable entirely of stainless steel. They are identifiedby the suffix “SS” following the part number(i.e. XA-81420-SS).Sizes available:Series A and XA . . . . . . . . . . . . . . . . to and including 1"Series ADJ and OPN . . . . . . . . . . 1/2", 5/8", 3/4" and 1"Ball Bushing bearings with nylon ballsFor extremely quiet operation, Ball Bushing bearings fittedwith Nylon balls can be supplied in sizes 1/2" andlarger. For estimating purposes laod ratings should beconsidered about 10% of those listed for Ball Bushingbearings with steel balls. Prices and other informationavailable on request.Type SSUPB, SSUTWN, SPB & TWNpillow blocksType PB pillow blocksType PBO & XPBO Pillow blocksType SR shaft support rails (std. lgth. 24")Type LSR shaft support railsType XSR shaft support rails(std. lgth. 24")Type SB shaft support blocksWaymount shaft supports††Type 6061-T6511 Aluminum for 1/4" and 3/8" sizes onlyType 6061-T6511 AluminumDuctile IronMalleable/Ductile IronType 6061-T6511 Aluminum1010 SteelDuctile IronMalleable Iron ††Malleable Iron Base withsteel adjustment elementsPage 144©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Phone: 1-800-554-8466Website: www.thomsonballbushing.comEngineering ConversionQUANTITYCONVENTIONALInch UnitMetric Unit (MKS)SI UNITCONVERSION FACTORSLENGTHInchin.MetermMetrem1 in. = 25.4 mm1 mm = 0.03937 in.1 m = 3.2808 ft.1 ft. = 0.3048 mAREASquare Inchin. 2Square Meterm 2Square Metrem 21 in. 2 = 6.4516 cm 21 cm 2 = 0.155 in. 21 m 2 = 10.764 ft 21 ft. 2 = 0.092903 m 2MASSPoundlb mKilogramkgKilogramkg1 lb m = 0.45359237 kg1 kg = 2.2046 lbFORCEPound Forcelb fKilogram Forcekg fNewtonN1 lb f = 0.45359237 kg f1 lb f = 4.44822 N1 kg f = 2.2046lbf1 kg f = 9.80665 N1 N = 0.1019716 kg f1 N = 0.224809 lb fSTRESSorPRESSUREPounds persquare inchlb f /in. 2Kilograms persquare meterkg f /m 2PascalPa1 MPa = 10 6 N/m 2 = N/mm 21 kPa = 10 3 N/m 21 lb f /inch 2 = 0.070307 kg f /cm 21 lb f /inch 2 = 7.0307 x 10 -4 kg f /mm 21 lb f /inch 2 = 6.8947 x 10 -3 N/mm 2 (MPa)1 kg f /cm 2 = 14.2233 lb f /in. 21 kg f /cm 2 = 9.80665 x 10-2 N/mm 2 (MPa)TORQUEorWORKInchPoundslb f -in.KilogramMeterskg f -mNewton-MetresNm1 lbf-in. = 1.1521 kg f -cm1 kg f -cm = 0.8679 lb f -in.1 lb f -in. = 0.1129848 Nm1 kg f -m = 9.80665 Nm1 kg f -cm = 9.80665 x 10 -2 Nm1 Nm = 8.85 lb f -in.1 Nm = 10.19716 kg f -cmPOWERFoot pound perminutelb f -ft./min.Force persecondkg f -m/sNewton MetrepersecondNm/s1 kW = 1000Nm/s1 kW = 60,000 Nm/s1 kW = 44,220 lb f -ft./min.1 kW = 1.341 hp1 hp = 75 kg f -m/s1 hp = 44,741 Nm/min.1 hp = 33,000 lb f -ft.min.1 hp = 0.7457 kWVELOCITYFeet persecondft./sMeters persecondm/sMeters persecondm/s1 ft./sec. = 0.3048 m/s1 in./sec. = 2.54 cm/s1 ft./sec. = 0.00508 m/s1 mile/hr. = 0.44704 m/s1 km/hr. = 0.27777 m/s1 mile/hr = 1.609344 km/hr.ACCELERA-TIONFeet persecondsquaredft./s 2Meters persecondsquaredm/s 2Metres persecondsquaredm/s 21 ft./s 2 = 0.3048 m/s 2©2003 Danaher Motion. Printed in the U.S.A. The specifications in this publication are believed to be accurate and reliable.However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application.While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.Page 145* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries.

Danaher MotionLinear Motion SystemsAs part of the Danaher Motion family, our mechanical and electro-mechanical product offerings include standard and custom linearbearings, shafting, linear guides, ball and lead screws, gearheads, linear actuators, slide tables and systems, precision balls, moldedproducts, resolvers, brakes and clutches, AC and DC adjustable speed drives, stepper and servo motors. Our products are appliedworldwide throughout a variety of motion applications in the machine tool, medical, automotive, robotics, industrial, aerospace, officeequipment and mobile off-highway markets. Our highly recognized brand names include: Thomson , Thomson BSA , Micron ,Harowe , Deltran PT , Superior Electric and SECO .* Trademark of Danaher Motion. DANAHER MOTION is registered in the U.S. Patent and Trademark Office and in other countries. The specifications in this publication are believed to be accurate andreliable. However, it is the responsibility of the product user to determine the suitability of Thomson products for a specific application. While defective products will be replaced without charge ifpromptly returned, no liability is assumed beyond such replacement. ©2003 Danaher Motion. XXX XXK KP 10-3-03 200304-01.qxd RRLB-01-04-A100FOR IMMEDIATE ASSISTANCE:Internet: www.DanaherLinear.comIn USA, Canada Phone: 1-800-554-8466or Mexico: Fax: 1-800-445-0329E-mail: linear@danahermotion.comLiterature: litrequest@danahermotion.comor write: Danaher Motion43-45 Channel DrivePort Washington, NY 11050 USAIn UK: Phone: + (44) 1271 334 500Sales Fax: + (44) 1271 334 502E-mail: information@tiblmail.comor write: Danaher Linear Motion SystemsFishleigh Road, RoundswellBarnstapleEX31 3UA UKIn Europe: Phone: +46 (0) 44 24 67 00Fax: +46 (0) 44 24 40 85E-mail:helpdesk@tollo.comor write: Danaher MotionTollo Linear ABBox 9053SE-291 09 Kristianstad Swedenor Phone: +49 (0) 70 22 504-0Fax: +49 (0) 70 22 541-68E-mail: Kontakt@warner-electric.deor write: Warner Electric GmbHNürtinger Strasse 70D-72649 Wolfschlugen GermanyElsewhere: Phone: 1 (516) 883-8937Fax: 1 (516) 883-7109