Spur Gears - Norfolk Bearings and Supply Company, Inc.

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Helical <strong>Gears</strong> Section Contents 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 B
B Helical <strong>Gears</strong> 24 through 10 Transverse Diametral Pitch (Steel – Hardened) 14-1/2° Normal Pressure Angle – 45° Helix Angle 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. 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 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 18 20 24 .625 .750 .833 1.000 .375 .500 A H2415R H2418R H2420R H2424R 18280 18284 18288 18292 H2415L H2418L H2420L H2424L 18282 18286 18290 18294 30 36 1.250 1.500 1/8 x 1/16 H2430R H2436R 18296 H2430L 18298 † 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 2.000 .750 3/16 x 3/32 H2040R † 18256 H2040L † 50 2.500 H2050R 18258 † 18260 H2050L † 18262 60 3.000 H2060R † 18264 H2060L † 18266 16 TRANSVERSE DIAMETRAL PITCH Face = .500" 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 1.500 .500 1/8 x 1/16 A H1624R † 18212 H1624L † 32 2.000 H1632R 18214 † 18216 H1632L † 18218 40 2.500 H1640R † 18220 H1640L † 18222 48 3.000 H1648R † 18224 H1648L † 18226 12 TRANSVERSE DIAMETRAL PITCH Face = .750" 12 1.000 H1212R 18170 H1212L 18168 15 18 1.250 1.500 .625 1/8 x 1/16 A H1215R H1218R 18174 H1215L 18172 † 18178 H1218L † 24 2.000 H1224R 18176 † 18182 H1224L † 30 2.500 H1230R 18180 † 18186 H1230L † 36 3.000 H1236R 18184 † 18190 H1236L † 18188 10 TRANSVERSE DIAMETRAL PITCH Face = .875" 8 .800 .375 1/16 x 1/32 H1008R 18130 H1008L 18128 10 12 1.000 1.200 .500 .625 1/8 x 1/16 H1010R H1012R 18134 18138 H1010L H1012L 18132 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 † 40 4.000 H1040R 18152 † 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
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Table Of Contents Stock Altered and
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With thousands of stock gears avail
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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 Spur Gea
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Product Selection / Reference Guide
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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: A Spur Gears 48 and 32 Diametral Pi
Page 29 and 30: A Spur Gears 10 and 8 Diametral Pit
Page 31 and 32: A Spur Gears 6 and 5 Diametral Pitc
Page 33 and 34: A Change Gears 20 Diametral Pitch (
Page 35 and 36: A Change Gears 12 Diametral Pitch (
Page 37 and 38: A Change Gears 8 Diametral Pitch (S
Page 39 and 40: A Drawn Pinion Wire 48, 32 and 24 D
Page 41 and 42: A Internal Gears 48 through 16 Diam
Page 43 and 44: A Spur Gears 48 Diametral Pitch (De
Page 45 and 46: A Spur Gears 32 Diametral Pitch (De
Page 51 and 52: A Spur Gears 6 and 5 Diametral Pitc
Page 53 and 54: A Internal Gears 64 through 24 Diam
Page 55 and 56: A Spur Gears Approximate Horsepower
Page 67: A Spur Gears Approximate Horsepower
Page 71 and 72: B Helical Gears Selection Procedure
Page 73 and 74: B Helical Gears Approximate Horsepo
Page 75 and 76: C Miter Gears 48 through 20 Diametr
Page 77 and 78: C Miter Gears 8 through 4 Diametral
Page 79 and 80: C Bevel Gears 48 through 20 Diametr
Page 81 and 82: C Bevel Gears 12 and 10 Diametral P
Page 83 and 84: C Spiral Bevel Gears 30 through 8 D
Page 85 and 86: C Miter Gears Steel & Iron - Straig
Page 87 and 88: C Bevel Gears Steel & Iron - Straig
Page 89 and 90: C Notes 84 Boston Gear 800-825-6544
Page 91 and 92: D Worms & Worm Gears 48 Diametral P
Page 97 and 98: D Worms & Worm Gears 8 Diametral Pi
Page 99 and 100: D Worms & Worm Gears 4 Diametral Pi
Page 101 and 102: D Worms & Worm Gears Selection Proc
Page 103 and 104: D Worms & Worm Gears Steel-Hardened
Page 105 and 106: E Shaft Couplings FC Series Insert
Page 107 and 108: E Shaft Couplings BF Series Bost-Fl
Page 109 and 110: E Shaft Couplings SCC Series Clampi
Page 111 and 112: E Shaft Couplings FCP Series Sleeve
Page 113 and 114: E Universal Joints J/JS Series Bore
Page 115 and 116: E Universal Joints UJNS/UJNL Series
Page 117 and 118: E Universal Joints JP Series Single
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E Setscrew Collars SC/SSC Series St
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E Clamping Collars CSC/CSSC/CASC Se
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E Thrust Washers Steel and Stainles
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E Grooved Pulleys G1200 Round Belt
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E Miniature Timing Belts and Pulley
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E Miniature HTD ® Timing Belts 3M
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E Timing Belt Pulleys PA Series For
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E Timing Belt Pulleys PLB Series Fo
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E Miniature HTD ® Timing Belts 5M
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E Timing Belt Pulleys PA Series For
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E Timing Belt Pulleys PLB Series Fo
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F BOST-BRONZ Oil-Impregnated Sinter
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F BEAR-N-BRONZE 660 Cast Bronze Bea
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F Bronze Bearing Emergency Banks Ac
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F BOStonE F-1 Glass Filled Teflon B
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F RULON ® 641 Bearings Boston Gear
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F BOStonE Molded Plastic Bearings B
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F BOStonE Molded Plastic Bearings R
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F BOStonE Molded Plastic Bearings G
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F BOStonE Molded Nylon Bearings Pla
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F Engineering Information Sleeve Be
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F Engineering Information Sleeve Be
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F Engineering Information Lubricati
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F Engineering Information Shaft Cle
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F Engineering Information Machining
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F Anti-Friction Bearings Ball Beari
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F Anti-Friction Bearings 1600 Serie
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F Anti-Friction Bearings Flanged 40
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F Anti-Friction Bearings 600 Series
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F Self-Aligning Bearings KF Female
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F Self-Aligning Bearings CMHD Male/
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F Self-Aligning Bearings HME Male/H
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F Self-Aligning Bearings LHA-LHB-LH
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F Self-Aligning Bearings LS/LSS Ser
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F Engineering Information Engineeri
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F Engineering Information Engineeri
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F Mounted Bearings Replacement Bear
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F Mounted Bearings Replacement Bear
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F Mounted Ball Bearings PS Series P
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F Mounted Ball Bearings L/H Series
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F Mounted Ball Bearings SL/SH Serie
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F Mounted Ball Bearings MB Series P
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F Mounted Ball Bearings XL2/XL3 Ser
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F Mounted Ball Bearings F/T Series
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F Mounted Ball Bearings SF/ST Serie
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F Mounted Ball Bearings MBP Series
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F Mounted Bearings TU Series Take-U
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F Engineering Information Analysis
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F Engineering Information Mounted B
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F Engineering Information Applicati
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F Notes 240 Boston Gear 800-825-654
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G Roller Chains Description of Roll
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G Roller Chains ANSI Standard Doubl
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G Engineering Information Conveyor
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G Engineering Information Conveyor
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G Notes 250 Boston Gear 800-825-654
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G Roller Chains Hollow Pin Single a
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G Ladder Chain Steel-Stainless Stee
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G Chain Pullers Chain Breaking Tool
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H Chain Drives Roller Chain Sprocke
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H Roller Chain Drives Horsepower Ra
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H Roller Chain Drives Horsepower Ra
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H Roller Chain Drives Selection SPE
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H Miniature Chain Sprockets Single
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H Roller Chain Sprockets Single Str
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H Block Chain Sprockets Type B Sing
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H Ladder Chain Sprockets Type B Sin
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H Roller Chain Drive Tensioners Typ
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H Roller Chain Drive Tensioners Typ
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I Engineering Information Spur Gear
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I Engineering Information Helical G
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I Engineering Information Helical G
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I Engineering Information Miter and
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I Engineering Information Worms and
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I Engineering Information Couplings
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I Engineering Information General M
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I Engineering Information Sprockets
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I Engineering Information Sprocket
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I Engineering Information Temperatu
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I Engineering Information Metric Co
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I Engineering Information Applicati
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I Index to Catalog Numbers Catalog
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I Index to Catalog Numbers Catalog
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Altra Industrial Motion All Custome
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Spur Gears - Norfolk Bearings and Supply Company, Inc.

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