Modified Stock Gearing - Boston Gear

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$sub-fractional hp double reduction flanged reducers - Boston Gear$

Engineering Information Lubrication – BEAR-N-BRONZ (Continued) Grooving 1. An oil feeder hole is normally sufficient for small bearings under light loads. The oil hole should be in a position to introduce the lubricant to the non-loaded area of the bearing. The lubricant will then normally be carried to the loaded area by the rotation of the shaft. For larger bearings under heavy loads, it may be desirable to facilitate the flow of lubricant to the pressure area by means of grooves machined into the bearing surface. 2. Type I or Type II grooves have proven adequate for most applications requiring an oil groove. In either case, the oil feed hole introducing the lubricant should always be located in the unloaded bearing area. 3. Very long bearings may require two feeder holes connected by one straight (axial) groove. 4. Oil grooves should stop short of the bearing ends to minimize oil leakage. 5. Grease lubricants are normally restricted to applications subjected to heavy loads at low speeds. Grease should be distributed under pressure along oil grooves to the loaded area. Type VI or Type VII grooves may be used for grease lubrication. Below are illustrations of some popular styles of oil grooves: F Depth of oil groove is 1/8" max. if wall permits. On thin wall bearings depth of groove is normally less than 1/2" wall thickness. When applicable groove is located 1/8" from ends. P-1930-BG 04/10 Boston Gear 800-825-6544 179
Engineering Information Shaft Clearances F The following graphs may be used as a guide to determine shaft clearance for proper running fit. BOST-BRONZ BEAR-N-BRONZ SHAFT CLEARANCE IN INCHES .007 .006 .005 .004 .003 .002 .001 MAXIMUM MEAN MINIMUM .000 0 .5 1.0 1.5 2.0 2.5 3.0 3.5 SHAFT DIAMETER IN INCHES SHAFT CLEARANCE IN INCHES .010 .009 .008 .007 .006 .005 .004 .003 .002 .001 MAXIMUM MINIMUM .000 0 .5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 SHAFT DIAMETER IN INCHES Plastics APPROX. SHAFT CLEARANCE IN INCHES .030 .025 .020 .015 .010 .005 MINIMUM MAXIMUM .000 0 .5 1.0 1.5 2.0 SHAFT DIAMETER IN INCHES MAXIMUM F-1 MINIMUM F-1 180 Boston Gear 800-825-6544 P-1930-BG 04/10
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A L T R A I N D U S T R I A L M O T
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Table Of Contents Stock Altered and
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Modified Stock Gearing With thousan
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Custom Gearing “Request For Quota
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Custom Gearing Capabilities Gear Ty
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Gear Selection Stock Gears Pressure
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Product Selection / Reference Guide
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Boston Gear Helical Gears ■ Paral
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Boston Gear Worms and Worm Gears
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Spur Gears 48 and 32 Diametral Pitc
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A Spur Gears 24 and 20 Diametral Pi
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Spur Gears 10 and 8 Diametral Pitch
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Change Gears 20 Diametral Pitch (St
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Change Gears 12 Diametral Pitch (St
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Change Gears 8 Diametral Pitch (Ste
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Drawn Pinion Wire 48, 32 and 24 Dia
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Internal Gears 48 through 16 Diamet
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Spur Gears 48 Diametral Pitch (Delr
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Spur Gears 32 Diametral Pitch (Delr
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Internal Gears 64 through 24 Diamet
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Spur Gears Approximate Horsepower a
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Helical Gears 24 through 10 Transve
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Helical Gears Boston standard stock
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Helical Gears Approximate Horsepowe
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Miter Gears 48 through 20 Diametral
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Miter Gears 8 through 4 Diametral P
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Bevel Gears 48 through 20 Diametral
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Bevel Gears 12 and 10 Diametral Pit
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Spiral Bevel Gears 30 through 8 Dia
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Miter Gears Steel & Iron - Straight
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Bevel Gears Steel & Iron - Straight
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Notes C 84 Boston Gear 800-825-6544
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Worms & Worm Gears 48 Diametral Pit
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Worms & Worm Gears 8 Diametral Pitc
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Worms & Worm Gears 4 Diametral Pitc
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Worms & Worm Gears Boston worms and
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Worms & Worm Gears Steel-Hardened,
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Shaft Couplings FC Series Insert (3
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Shaft Couplings BF Series Bost-Flex
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Shaft Couplings SCC Series Clamping
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Shaft Couplings FCP Series Sleeve T
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Universal Joints J/JS Series Bored
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Universal Joints UJNS/UJNL Series B
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Universal Joints JP Series Single a
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Setscrew Collars SC/SSC Series Stee
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Clamping Collars CSC/CSSC/CASC Seri
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Thrust Washers Steel and Stainless
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Grooved Pulleys G1200 Round Belt Ty
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Miniature Timing Belts and Pulleys
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Miniature HTD ® Timing Belts 3M Se
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Timing Belt Pulleys PA Series For 9
Page 133 and 134: Timing Belt Pulleys PLB Series For
Page 135 and 136: Miniature HTD ® Timing Belts 5M Se
Page 137 and 138: Timing Belt Pulleys PA Series For 1
Page 139 and 140: Timing Belt Pulleys PLB Series For
Page 141 and 142: BOST-BRONZ Oil-Impregnated Sintered
Page 151 and 152: BEAR-N-BRONZE 660 Cast Bronze Beari
Page 159 and 160: Bronze Bearing Emergency Banks SAVE
Page 161 and 162: BOStonE F-1 Glass Filled Teflon Bea
Page 163 and 164: RULON ® 641 Bearings Boston Gear
Page 165 and 166: BOStonE Molded Plastic Bearings F B
Page 167 and 168: BOStonE Molded Plastic Bearings Rol
Page 169 and 170: F BOStonE Molded Plastic Bearings R
Page 175 and 176: BOStonE Molded Plastic Bearings Gui
Page 177 and 178: BOStonE Molded Nylon Bearings Plain
Page 179 and 180: Engineering Information Sleeve Bear
Page 181 and 182: Engineering Information Sleeve Bear
Page 183: Engineering Information Lubrication
Page 187 and 188: Engineering Information Machining F
Page 189 and 190: Anti-Friction Bearings Ball Bearing
Page 191 and 192: F Anti-Friction Bearings 1600 Serie
Page 193 and 194: Anti-Friction Bearings 7600 Series
Page 197 and 198: Anti-Friction Bearings Flanged 400F
Page 199 and 200: Anti-Friction Bearings 600 Series T
Page 203 and 204: Self-Aligning Bearings KF Female Se
Page 205 and 206: Self-Aligning Bearings CMHD Male/CF
Page 207 and 208: Self-Aligning Bearings HME Male/HFE
Page 209 and 210: Self-Aligning Bearings LHA-LHB-LHSS
Page 211 and 212: Self-Aligning Bearings LS/LSS Serie
Page 213 and 214: Engineering Information Engineering
Page 215 and 216: Engineering Information Engineering
Page 217 and 218: Mounted Bearings Replacement Bearin
Page 219 and 220: Mounted Bearings Replacement Bearin
Page 221 and 222: Mounted Ball Bearings PS Series Pre
Page 223 and 224: Mounted Ball Bearings L/H Series Pi
Page 225 and 226: Mounted Ball Bearings SL/SH Series
Page 227 and 228: Mounted Ball Bearings MB Series Pil
Page 229 and 230: Mounted Ball Bearings XL2/XL3 Serie
Page 231 and 232: Mounted Ball Bearings F/T Series Fl
Page 233 and 234: Mounted Ball Bearings SF/ST Series
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Mounted Ball Bearings MBP Series Pi
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Mounted Bearings TU Series Take-Up
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Engineering Information Analysis of
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Engineering Information Mounted Bal
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Engineering Information Application
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Notes F 240 Boston Gear 800-825-654
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Roller Chains Description of Roller
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Roller Chains ANSI Standard Double,
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Engineering Information Conveyor Ch
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Engineering Information Conveyor Ch
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Notes G 250 Boston Gear 800-825-654
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Roller Chains Hollow Pin Single and
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Ladder Chain Steel-Stainless Steel-
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Chain Pullers The Boston Chain Pull
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Chain Drives Roller Chain Sprockets
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Roller Chain Drives Horsepower Rati
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Roller Chain Drives Horsepower Rati
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Roller Chain Drives Selection SPEED
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H Miniature Chain Sprockets Single
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Roller Chain Sprockets Single Stran
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H Roller Chain Sprockets Single Str
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Block Chain Sprockets Type B Single
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Ladder Chain Sprockets Type B Singl
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Roller Chain Drive Tensioners Type
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Roller Chain Drive Tensioners Type
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Engineering Information Spur Gears
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Engineering Information Spur Gears
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I Engineering Information Spur Gear
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Engineering Information Helical Gea
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Engineering Information Helical Gea
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Engineering Information Miter and B
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Engineering Information Worms and W
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Engineering Information Couplings A
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Engineering Information General I M
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Engineering Information Sprockets I
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Engineering Information Sprocket Di
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Engineering Information Temperature
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Engineering Information Metric Conv
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Engineering Information Application
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Index to Catalog Numbers Catalog Nu
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Index to Catalog Numbers I Catalog
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Altra Industrial Motion All Custome
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Modified Stock Gearing - Boston Gear

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