Modified Stock Gearing - Boston Gear

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

Engineering Information Application Data – Mounted Bearings Lubrication Boston Gear ball and tapered roller bearing Pillow Blocks and Flanged Cartridges are factory lubricated prior to shipping. Those designed with the relubrication feature periodically require grease during operation. The interval between relubrication and the amount necessary to insure a long operational life are determined by the specific application. Loading, speed, and environmental conditions must be considered when determining the proper interval between relubrication. Hours Weeks Operated 1- 251- 501- 751- 1001- 1501- 2001- 2501 Per Day 250 500 750 1000 1500 2000 2500 3000 RPM RPM RPM RPM RPM RPM RPM RPM 8 12 12 10 7 5 4 3 2 16 12 7 5 4 2 2 1 1 24 10 5 3 2 1 1 1 1 The table above may be used as a guide for establishing lubrication intervals for applications where contamination is not present. For unusual operating conditions not covered by the table, consult the factory for our recom men da tions. Normal bearing operation temperatures range from “cool-to-the-touch” to “too-hot-to-touch” for more than a few seconds, depending on the load, speed, and ambient temperature. The type of grease used in Boston bearing units allows satisfactory operation at temperatures to 225°F and speeds to 6500 RPM. Bearings are prelubricated with a No. 2 consistency lithium base grease, and it is recommended that the Lith EP-2 or an equivalent grease be used when relubrication is requierd. When relubricating bearings, it is preferable that the shaft be rotating. This rotation of the shaft will aid in preventing excessive filling and insure proper distribution of the grease. Grease should be added slowly to the bearing. When a slight bead appears from under the seal, the bearing will usually contain the proper amount of lubricant. Precautions The shaft must be clean, straight and free from nicks and burns and should fit the bearing as snugly as possible. Recommended shaft tolerance — Low Speed (or Light Load) +.0 to –.002; Normal Speed (or Load) +.0 to –.001; High Speed (or Heavy Load) a light press fit is desirable. The use of flats at setscrew locations will permit ease of shaft removal. Mounting Setscrew Locking Type Housing should be fastened to the mounting structure. Back out setscrews to clear shaft. After lubricating the shaft, slide it through the bearings and tighten setscrews to recommended torque, see Table below. Eccentric Locking Collar Type When sliding the shaft through the bore bearing inner ring, be sure that the counterbore of eccentric collar “A” is toward eccentric boss “B” on inner ring. Turn eccentric collar “A” in the direction in which the shaft will rotate. Hand tight is often sufficient but a spanner wrench or drift pin may be inserted in spanner wrench hole “C” and used to set the collar (Note: DO NOT USE A DIRECT HAMMER BLOW to set the collar as such a blow may fracture the inner ring.) Not recommended for severe reversing applications. Tighten set screw in eccentric collar firmly against shaft to recommended torque, see Table below. Set Hex Width Tightening Screw Across Torque Diameter Flats (In.-Lbs.) 1/4 1/8 70 5/16 5/32 140 3/8 5/16 220 7/16 7/32 350 1/2 1/4 515 5/8 5/16 1200 NOTE: PS, PS2 and PS3 series: It is particularly important on these units that shaft be in place before the housing is secured to the mounting structure. The self-aligning steel stampings clamp the outer race when bolts are tightened making further shaft alignment impossible. F P-1930-BG 04/10 Boston Gear 800-825-6544 239
Notes F 240 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
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Timing Belt Pulleys PLB Series For
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Miniature HTD ® Timing Belts 5M Se
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Timing Belt Pulleys PA Series For 1
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Timing Belt Pulleys PLB Series For
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BOST-BRONZ Oil-Impregnated Sintered
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BEAR-N-BRONZE 660 Cast Bronze Beari
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Bronze Bearing Emergency Banks SAVE
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BOStonE F-1 Glass Filled Teflon Bea
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RULON ® 641 Bearings Boston Gear
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BOStonE Molded Plastic Bearings F B
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BOStonE Molded Plastic Bearings Rol
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F BOStonE Molded Plastic Bearings R
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BOStonE Molded Plastic Bearings Gui
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BOStonE Molded Nylon Bearings Plain
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Engineering Information Sleeve Bear
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Engineering Information Sleeve Bear
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Engineering Information Lubrication
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Engineering Information Shaft Clear
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Engineering Information Machining F
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Anti-Friction Bearings Ball Bearing
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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
Page 235 and 236: Mounted Ball Bearings MBP Series Pi
Page 237 and 238: Mounted Bearings TU Series Take-Up
Page 239 and 240: Engineering Information Analysis of
Page 241 and 242: Engineering Information Mounted Bal
Page 243: Engineering Information Application
Page 247 and 248: Roller Chains Description of Roller
Page 249 and 250: Roller Chains ANSI Standard Double,
Page 251 and 252: Engineering Information Conveyor Ch
Page 253 and 254: Engineering Information Conveyor Ch
Page 255 and 256: Notes G 250 Boston Gear 800-825-654
Page 257 and 258: Roller Chains Hollow Pin Single and
Page 259 and 260: Ladder Chain Steel-Stainless Steel-
Page 261 and 262: Chain Pullers The Boston Chain Pull
Page 263 and 264: Chain Drives Roller Chain Sprockets
Page 265 and 266: Roller Chain Drives Horsepower Rati
Page 267 and 268: Roller Chain Drives Horsepower Rati
Page 269 and 270: Roller Chain Drives Selection SPEED
Page 271 and 272: H Miniature Chain Sprockets Single
Page 273 and 274: Roller Chain Sprockets Single Stran
Page 275 and 276: 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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