Bearing Units Plastic Housing Series

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Bearing Units Plastic Housing Series

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Dimensions for dust coverUnit: mm/ inchCoverDimensionsnumber D1 D2 LRM-204RM-205RM-206RM-207RM-20836415060681 !#/321 %/81 #!/322 #/82 !!/1650556474841 #!/322 %/322 !&/322 !%/163 %/1629.531.035.038.040.01 %/321 &/321 #/81 !/21 (/16D2 D1coverLWater and chemical resistance of housing (VALOX 420 ® )Among engineering plastics, VALOX has better water absorption characteristics (0.06% at 23 over 24 hours) and better dimensionalstability. VALOX is made of crystallized polymer and while not affected by organic solvents, is affected by alkaline, making it important toconsider the operating environment. The table demonstrates VALOX's chemical resistance when soaked in solvent at 30 or 90 days.AcidAlkalineOilChemicalsHydrochloric acid, 10%Sulfuric acid, 36%Acetic acid 10%Potassium hydroacid, 5%Sodium hydroacid, 10%Ammonia hydroacid, 10%Motor oilBrake oilGasoline (Regular)Temperature23236023232323232323601Deterioration ratio Number of days soaked30 days 90 days89 8597 9784 6088 8888 10 96 87100 100100 100100 10093 90OrganicsolvenSodiumChemicalsEthyl alcoholMethyl alcoholIsopropyl alcoholAcetoneMethyl Ethyl KetonEthyl acetateMethylene chlorideethylene grycoleZinc chrolide 10%Calcium chrolide 10%Sodium chrolide 5%Temperature23232323232323232323231Deterioration ratio Number of days soaked30 days 90 days99 9691 82100 10086 7490 8096 8654 54100 10097 9498 9897 97Remarks 1) Deterioration (%) is the strength after test divided by the strength before test.The symbol indicates that results could not be measured as the test piece dissolved.Remarks 2) The values listed in the table are not guaranteed as they are the result of soaking without operating stresses on the sample. Because thisstrength data is general, it does not apply under all operating conditions. Actual housing strength will vary depending on the type andconcentration of liquid, temperature, load, etc.Remarks 3) Technical data provided by General Electric Company.Anti-Corrosion capabilityNTN recommends ratings of to for optimum corrosion resistance. excellent poorCondition AtmosphereWaterMaterialsDry Wet Natural water Sodium waterMartensite stainless steel SUS440C, SUS410 Austenite stainless steel SUS304, SCS13 Polyester plastics VALOX 420 Polypropylene, polyethylene High carbon steel SUJ2 Carbon steel, Cast iron Remarks: This data is obtained by observation of the surface conditions of materials. Note that these anti-corrosion capabilities are altered by anti-corrosion surface treatment.Not recommended for use in liquid.AcidNitric acid Sulfuric acid Hydrochloricacid3


Pillow type bearing unit F-RM-UCPR2 seriesCylindrical bore, set screw typeShaftdia.mminch20#/4Unit numberF-RM-UCPR204/LP03F-RM-UCPR204-012/LP03H33.31 %/16L1275J953 #/4Nominal dimensionsmm inchA381 !/2N11&/16N114(/16H114.2(/16H2A1BS65 39 31 12.72 (/16 1 !&/32 1.2205 0.500BoltsizeM10#/8Bearing numberF-UC204D1/LP03F-UC204-012D1/LP03HousingnumberPR204D1PR204D1Massofunit(Ref.)kg lb0.30.7Stainless bearingwith solid greaseglass fiber reinforcedplastic housing25!#/16&/8!%/161F-RM-UCPR205/LP03F-RM-UCPR205-013/LP03F-RM-UCPR205-014/LP03F-RM-UCPR205-015/LP03F-RM-UCPR205-100/LP0336.51 &/161405 !/21054 !/8381 !/211&/1614(/1614.5(/16714034.114.32 @%/32 1 (/16 1.3425 0.563M10#/8F-UC205D1/LP03F-UC205-013D1/LP03F-UC205-014D1/LP03F-UC205-015D1/LP03F-UC205-100D1/LP03PR205D1PR205D10.30.7BS301 !/161 !/81#/161 !/4F-RM-UCPR206/LP03F-RM-UCPR206-101/LP03F-RM-UCPR206-102/LP03F-RM-UCPR206-103/LP03F-RM-UCPR206-104/LP0342.91 !!/161626 #/8119464 !!/16 1 !#/1614(/1618@#/3217.8!!/16834638.115.93 (/32 1 !#/16 1.5000 0.626M12&/16F-UC206-D1/LP03F-UC206-101D1/LP03F-UC206-102D1/LP03F-UC206-103D1/LP03F-UC206-104D1/LP03PR206D1PR206D10.51.1NN1JLHH1H2A1A351 !/41%/161 #/81 &/16F-RM-UCPR207/LP03F-RM-UCPR207-104/LP03F-RM-UCPR207-105/LP03F-RM-UCPR207-106/LP03F-RM-UCPR207-107/LP0347.61 &/81676 (/161275481 &/814(/1618@#/3218@#/32944942.917.53 !!/16 1 !%/16 1.6890 0.689M12&/16F-UC207D1/LP03F-UC207-104D1/LP03F-UC207-105D1/LP03F-UC207-106D1/LP03F-UC207-107D1/LP03PR207D1PR207D10.71.5401 !/21 (/16F-RM-UCPR208/LP03F-RM-UCPR208-108/LP03F-RM-UCPR208-109/LP0349.21 !%/161847 !/41375 !#/32542 !/814(/1618@#/3219.5 98 52 49.2 19@%/32 3 @&/32 2 !/16 1.9370 0.748M12&/16F-UC208D1/LP03F-UC208-108D1/LP03F-UC208-109D1/LP03PR208D1PR208D11.02.2Rhombus Flange type bearing unit F-RM-UCFLR2 seriesCylindrical bore, set screw typeShaftdia.mminch20#/425!#/16&/8!%/161301 !/161 !/81#/161 !/4351 !/41%/161 #/81 &/16401 !/21 (/16Unit numberF-RM-UCFLR204/LP03F-RM-UCFLR204-012/LP03F-RM-UCFLR205/LP03F-RM-UCFLR205-013/LP03F-RM-UCFLR205-014/LP03F-RM-UCFLR205-015/LP03F-RM-UCFLR205-100/LP03F-RM-UCFLR206/LP03F-RM-UCFLR206-101/LP03F-RM-UCFLR206-102/LP03F-RM-UCFLR206-103/LP03F-RM-UCFLR206-104/LP03F-RM-UCFLRM207/LP03F-RM-UCFLR207-104/LP03F-RM-UCFLR207-105/LP03F-RM-UCFLR207-106/LP03F-RM-UCFLR207-107/LP03F-RM-UCFLR208/LP03F-RM-UCFLR208-108/LP03F-RM-UCFLR208-109/LP03H1134 &/161305 !/8148J903 #%/64993 %&/641175 !#/16 4 #(/641636 !#/321305 !/8A215.4!(/3217@!/3219#/418@#/32Nominal dimensionsmm inchA111.4&/1613.5!&/3213.3!&/3216.1%/826.51 !/3229.11 %/3230.51 #/1632.81 (/32N11&/1611&/1611&/1613175 144 21.5 20 37.5 146 &/8 5 $#/64 @&/32@%/32 1 !%/32 (/16A!/2L642 !&/322 !!/16 1 @(/64803 %/3290A041.23 !&/32 1 $%/64B33.7 53 31 12.71 @!/64 2 !/8 1.2205 0.50068 36.8 57 34.1 14.32 !/4 1.3425 0.56338.142.915.917.52 %/8 1.6890 0.689100 51.7 74 49.2 193 !%/16 2 !/32 2 !%/16 1.9370 0.748S1 %/8 2 !&/32 1.5000 0.62643.4A46467BoltsizeM10#/8M10#/8M10#/8M12&/16M12&/16Bearing numberF-UC204D1/LP03F-UC204-012D1/LP03F-UC205D1/LP03F-UC205-013D1/LP03F-UC205-014D1/LP03F-UC205-015D1/LP03F-UC205-100D1/LP03F-UC206-D1/LP03F-UC206-101D1/LP03F-UC206-102D1/LP03F-UC206-103D1/LP03F-UC206-104D1/LP03F-UC207D1/LP03F-UC207-104D1/LP03F-UC207-105D1/LP03F-UC207-106D1/LP03F-UC207-107D1/LP03F-UC208D1/LP03F-UC208-108D1/LP03F-UC208-109D1/LP03HousingnumberFLR204D1FLR204D1FLR205D1FLR205D1FLR206D1FLR206D1FLR207D1FLR207D1FLR208D1FLR208D1Massofunit(Ref.)kg lb0.30.70.30.70.51.10.71.50.92.0NStainless bearingwith solid greaseglass fiber reinforcedplastic housing45˚JHNTNLBSA1A2AA4Housing tolerances2. Tolerances for rhombus flange type housing. Unit: mm/inchA2HousingnumberFLR204D1FLR205D1FLR206D1FLR207D1FLR208D1A2 deviation∆A20.70.028Tolerances formounting bolt holes0.50.020JNTN5


Stainless insert bearingCylindrical bore, set screw type with solid greaseCdsGSolid greaserSDdd4SBS1Grease fill plan (Spot-pack type is standard)Shaftdia.mminchBearing numberNominal dimensionsmm inchd D B C rs min S S1 G ds d4Basic load ratingNdynamicCrlbfstaticCorMass(Ref.)kg lb20#/425!#/16&/8!%/161301 !/161 !/81#/161 !/4351 !/41%/161 #/81 &/16401 !/21 (/16F-UC204D1/LP03F-UC204-012D1/LP03F-UC205D1/LP03F-UC205-013D1/LP03F-UC205-014D1/LP03F-UC205-015D1/LP03F-UC205-100D1/LP03F-UC206D1/LP03F-UC206-101D1/LP03F-UC206-102D1/LP03F-UC206-103D1/LP03F-UC206-104D1/LP03F-UC207D1/LP03F-UC207-104D1/LP03F-UC207-105D1/LP03F-UC207-106D1/LP03F-UC207-107D1/LP03F-UC208D1/LP03F-UC208-108D1/LP03F-UC208-109D1/LP03200.7500250.81250.87500.93751.0000301.06251.12501.18751.2500351.25001.31251.37501.4375401.50001.5625471.8504522.0472622.4409722.8346803.1496311.220534.11.342538.11.500042.91.689049.21.9370170.6693170.6693190.7480200.7874210.826810.03910.03910.0391.50.0591.50.05912.70.50014.30.56315.90.62617.50.689190.74818.30.72019.80.78022.20.87425.41.00030.21.1894.50.17750.19750.19760.23680.315M50.8No.10-32UNFM50.8No.10-32UNFM60.751/4-28UNFM60.751/4-28UNFM815/16-24UNF29.61.165433.91.334640.81.606346.81.8425532.08669 9002 22010 8002 43015 0003 35019 7004 45022 4005 050Note) Insert bearings can be supplled with USDA qualified food grade grease. The resulting grease suffix is "L596". Ex. F-UC204 D1/L596.6 6501 5007 8501 77011 3002 54015 3003 45017 8004 0000.170.390.200.530.510.460.440.330.820.770.730.660.491.211.151.081.010.651.521.46Grease nameCALTEX FM Grease EP2Allowable temp. range.2080˚CApplicationsFood processing and general machines.NoteH-1 standard grease qualified by USDA.Unit ball bearing tolerances (JIS B 1558)1. Inner ring tolerances. Unit: m/0.0001 inch 2. Outer ring tolerances.Nominal bore diameter Bore diameter WidthNominal outside diameterdDovermm inch1831.7500.70871.2500Radialrunout(ref.)incl.∆dmpDeviations∆VdpVariations∆BsDeviations (ref.)mm inch high low max. high low max.31.750 1.250018 0 12 0 120 18 7 0 5 0 47 750.800 2.000021 0 14 0 120 20 8 0 6 0 47 8∆dmp; Mean bore diameter deviation. ∆Vdp; Bore diameter variation.∆Bs; Inner ring width deviation.overmm inch30501.18111.9685incl.mm inch50801.96853.1496Unit: m/0.0001 inch∆DmDeviationsRadialrunout(ref.)high low max.000011 413 52082510∆Dm; Mean outside diameter deviation.The low deviation of outside diameter ∆Dm dose not apply withinthe distance of 1/4 the width of the outer ring from the side.Attaching the dust cover1 Insert the edge of the dust cover in the housing's groove.2 Insert the other side of the dust cover in the opposite housing grooveeither by hand or with assistance of a plastic/rubber mallet/hammer.3 To remove the dust cover, pry the edge from the housing groove usinga screw driver or similar tool.Note: frequent mounting/dismounting of the dust cover may damage the edge of thehousing and is not recommended.Edge part of the dust coverBearing housing6

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