Modified Stock Gearing - Boston Gear

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

Helical Gears Section Contents B CATALOG NUMBER / DIMENSIONS................................................................................................. 64-65 SELECTION PROCEDURE ....................................................................................................................... 66 HORSEPOWER & TORQUE RATINGS............................................................................................... 67-68 STOCK ALTERED / CUSTOM HELICAL GEARS .................................................................................. 3-5 HELICAL GEAR ENGINEERING INFORMATION .......................................................................... 304-306 P-1930-BG 04/10 Boston Gear 800-825-6544 63
Helical Gears 24 through 10 Transverse Diametral Pitch (Steel – Hardened) 14-1/2° Normal Pressure Angle – 45° Helix Angle These gears are hardened all over, except as noted. Teeth on all steel gears are polished. ALL DIMENSIONS IN INCHES ORDER BY CATALOG NUMBER OR ITEM CODE B FACE PITCH DIA. STANDARD TOLERANCES DIMENSION TOLERANCE BORE All ±.0005 REFERENCE PAGES Alterations — 314 Horsepower Ratings — 67 Lubrication — 314 Materials — 315 Selection Procedure — 66 BORE KEYWAY NOTE: Normal Diametral Pitch is equal to the Transverse Diametral Pitch divided by the cosine of the Helix Angle. No. Style See RIGHT HAND LEFT HAND of Pitch Page Catalog Item Catalog Item Teeth Dia. Bore Keyway 315 Number Code Number Code 24 Face: 8-15 Teeth = .375" TRANSVERSE DIAMETRAL PITCH 18-72 Teeth = .250" 8 .333 .1875 * H2408R 18268 H2408L 18270 10 12 .417 .500 .250 ** H2410R H2412R 18272 18276 H2410L H2412L 18274 18278 15 .625 .375 H2415R 18280 H2415L 18282 18 .750 A H2418R 18284 H2418L 18286 20 .833 .500 H2420R 18288 H2420L 18290 24 1.000 H2424R 18292 H2424L 18294 30 1.250 H2430R 18296 H2430L 18298 36 1.500 1/8 x 1/16 H2436R † 18300 H2436L † 18302 48 2.000 .625 H2448R † 18304 H2448L † 18306 60 2.500 H2460R † 18308 H2460L † 18310 72 3.000 H2472R † 18312 H2472L † 18314 20 Face: 8-15 Teeth = .563" TRANSVERSE DIAMETRAL PITCH 18-72 Teeth = .375" 8 .400 .250 H2008R 18228 H2008L 18230 10 .500 .3125 ** H2010R 18232 H2010L 18234 12 .600 .375 H2012R 18236 H2012L 18238 15 .750 .4375 H2015R 18240 H2015L 18242 20 1.000 .500 1/8 x 1/16 A H2020R 18244 H2020L 18246 25 1.250 .625 H2025R 18248 H2025L 18250 30 1.500 H2030R † 18252 H2030L † 18254 40 50 2.000 2.500 .750 3/16 x 3/32 H2040R † H2050R † 18256 18260 H2040L † H2050L † 18258 18262 60 3.000 H2060R † 18264 H2060L † 18266 16 Face = .500" TRANSVERSE DIAMETRAL PITCH 12 .750 .375 1/16 x 1/32 H1612R 18200 H1612L 18202 16 1.000 H1616R 18204 H1616L 18206 20 1.250 H1620R 18208 H1620L 18210 24 32 1.500 2.000 .500 1/8 x 1/16 A H1624R † H1632R † 18212 18216 H1624L † H1632L † 18214 18218 40 2.500 H1640R † 18220 H1640L † 18222 48 3.000 H1648R † 18224 H1648L † 18226 12 Face = .750" TRANSVERSE DIAMETRAL PITCH 12 1.000 H1212R 18170 H1212L 18168 15 1.250 H1215R 18174 H1215L 18172 18 1.500 .625 1/8 x 1/16 A H1218R † 18178 H1218L † 18176 24 2.000 H1224R † 18182 H1224L † 18180 30 2.500 H1230R † 18186 H1230L † 18184 36 3.000 H1236R † 18190 H1236L † 18188 10 Face = .875" TRANSVERSE DIAMETRAL PITCH 8 .800 .375 1/16 x 1/32 H1008R 18130 H1008L 18128 10 1.000 .500 1/8 x 1/16 H1010R 18134 H1010L 18132 12 1.200 .625 H1012R 18138 H1012L 18136 15 1.500 A H1015R † 18142 H1015L † 18140 20 2.000 H1020R † 18146 H1020L † 18144 25 2.500 .750 3/16 x 3/32 H1025R † 18148 H1025L † 18150 30 3.000 H1030R † 18154 H1030L † 18152 40 4.000 H1040R † 18158 H1040L † 18156 *1/16" wide x .04" deep slot cut on end of gear for drive pin, not key. **3/32" wide x .06" deep slot cut on end of gear for drive pin, not key. †Teeth only hardened. 64 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
Page 3 and 4:
Table Of Contents Stock Altered and
Page 5 and 6:
Modified Stock Gearing With thousan
Page 7 and 8:
Custom Gearing “Request For Quota
Page 9 and 10:
Custom Gearing Capabilities Gear Ty
Page 11 and 12:
Gear Selection Stock Gears Pressure
Page 13 and 14:
Product Selection / Reference Guide
Page 15 and 16:
Product Selection / Reference Guide
Page 17 and 18: Product Selection / Reference Guide
Page 19 and 20: Boston Gear Helical Gears ■ Paral
Page 21 and 22: Boston Gear Worms and Worm Gears
Page 23 and 24: Spur Gears 48 and 32 Diametral Pitc
Page 25 and 26: A Spur Gears 24 and 20 Diametral Pi
Page 29 and 30: Spur Gears 10 and 8 Diametral Pitch
Page 33 and 34: Change Gears 20 Diametral Pitch (St
Page 35 and 36: Change Gears 12 Diametral Pitch (St
Page 37 and 38: Change Gears 8 Diametral Pitch (Ste
Page 39 and 40: Drawn Pinion Wire 48, 32 and 24 Dia
Page 41 and 42: Internal Gears 48 through 16 Diamet
Page 43 and 44: Spur Gears 48 Diametral Pitch (Delr
Page 45 and 46: Spur Gears 32 Diametral Pitch (Delr
Page 53 and 54: Internal Gears 64 through 24 Diamet
Page 55 and 56: Spur Gears Approximate Horsepower a
Page 67: Spur Gears Approximate Horsepower a
Page 71 and 72: Helical Gears Boston standard stock
Page 73 and 74: Helical Gears Approximate Horsepowe
Page 75 and 76: Miter Gears 48 through 20 Diametral
Page 77 and 78: Miter Gears 8 through 4 Diametral P
Page 79 and 80: Bevel Gears 48 through 20 Diametral
Page 81 and 82: Bevel Gears 12 and 10 Diametral Pit
Page 83 and 84: Spiral Bevel Gears 30 through 8 Dia
Page 85 and 86: Miter Gears Steel & Iron - Straight
Page 87 and 88: Bevel Gears Steel & Iron - Straight
Page 89 and 90: Notes C 84 Boston Gear 800-825-6544
Page 91 and 92: Worms & Worm Gears 48 Diametral Pit
Page 97 and 98: Worms & Worm Gears 8 Diametral Pitc
Page 99 and 100: Worms & Worm Gears 4 Diametral Pitc
Page 101 and 102: Worms & Worm Gears Boston worms and
Page 103 and 104: Worms & Worm Gears Steel-Hardened,
Page 105 and 106: Shaft Couplings FC Series Insert (3
Page 107 and 108: Shaft Couplings BF Series Bost-Flex
Page 109 and 110: Shaft Couplings SCC Series Clamping
Page 111 and 112: Shaft Couplings FCP Series Sleeve T
Page 113 and 114: Universal Joints J/JS Series Bored
Page 115 and 116: Universal Joints UJNS/UJNL Series B
Page 117 and 118: Universal Joints JP Series Single a
Page 119 and 120:
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
Page 125 and 126:
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
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Anti-Friction Bearings 7600 Series
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Anti-Friction Bearings Flanged 400F
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Anti-Friction Bearings 600 Series T
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Self-Aligning Bearings KF Female Se
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Self-Aligning Bearings CMHD Male/CF
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Self-Aligning Bearings HME Male/HFE
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Self-Aligning Bearings LHA-LHB-LHSS
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Self-Aligning Bearings LS/LSS Serie
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Engineering Information Engineering
Page 215 and 216:
Engineering Information Engineering
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Mounted Bearings Replacement Bearin
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Mounted Bearings Replacement Bearin
Page 221 and 222:
Mounted Ball Bearings PS Series Pre
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Mounted Ball Bearings L/H Series Pi
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Mounted Ball Bearings SL/SH Series
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Mounted Ball Bearings MB Series Pil
Page 229 and 230:
Mounted Ball Bearings XL2/XL3 Serie
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Mounted Ball Bearings F/T Series Fl
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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
Page 267 and 268:
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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Page 295 and 296:
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
Page 301 and 302:
Roller Chain Drive Tensioners Type
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Engineering Information Spur Gears
Page 305 and 306:
Engineering Information Spur Gears
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I Engineering Information Spur Gear
Page 309 and 310:
Engineering Information Helical Gea
Page 311 and 312:
Engineering Information Helical Gea
Page 313 and 314:
Engineering Information Miter and B
Page 315 and 316:
Engineering Information Worms and W
Page 317 and 318:
Engineering Information Couplings A
Page 319 and 320:
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
Page 327 and 328:
Engineering Information Metric Conv
Page 329 and 330:
Engineering Information Application
Page 331 and 332:
Index to Catalog Numbers Catalog Nu
Page 333 and 334:
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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