Spur Gears - Norfolk Bearings and Supply Company, Inc.

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ALL DIMENSIONS IN INCHES ORDER BY CATALOG NUMBER OR ITEM CODE A B C Catalog Number Item Code 1/4 .254 5/8 .625 .060 TP410 56880 3/8 .379 3/4 .750 .060 TP612 56881 1/2 .504 1 1.000 .060 TP816 56882 On A and B dimensions, tolerances apply to actual (decimal) dimensions. STANDARD TOLERANCES Dimensions Tolerance A All +.005 to –.000 C All ±.003 E All ±.003 ALL DIMENSIONS IN INCHES ORDER BY CATALOG NUMBER OR ITEM CODE B Approx. Weight (In Lbs.) Catalog Number Item Code 1/4 .065 SP4 50958 3/8 .135 SP6 50959 1/2 .233 SP8 50960 3/4 .504 SP12 50961 1 .878 SP16 50962 1-1/4 1.355 SP20 50963 1-1/2 1.937 SP24 50964 2 3.250 SP32 50965 All Bars are 13" long. Other Diameters and longer Lengths are available on special order. B STANDARD TOLERANCES Dimensions Tolerance 1/4 - 1/2 –.000 to +.015 3/4 - 1 –.000 to +.020 1-1/4 –.000 to +.030 1-1/2 - 2 –.000 to +.040 BOStonE F-1 Glass Filled Teflon Bearings Other BOStonE F-1 SHAPES AVAILABLE ON SPECIAL ORDER Thrust Type P-1930-BG 04/10 Boston Gear 800-825-6544 157 B B A Solid Bars (Extruded) CORED BARS CIRCULAR DISCS TUBING PLATES C F
F RULON ® 641 Bearings Boston Gear’s RULON 641 Bearings are designed to overcome the chronic problems that plague bearings used in food and pharmaceutical applications. Features • FDA cleared, USDA accepted non-toxic materials • RULON 641 compound of virgin PTFE and fillers designed to meet poultry and meat industry specs • FDA drug master file numbered to allow for incidental contact with body fluids • Excellent load and wear characteristics for continuous nonlubricated service • Compatible with food and drug industries standard stainless steels 303 and 316 as well as 1018 mild steel • Designed for performance at extremely high temperatures. PV value of 10,000 with 316 stainless steel • Capable of speeds up to 400 ft/minute under dry, low-load operation • Stick-slip is virtually nonexistent due to low friction at startup and slow speeds. Ideal for oscillating or start/stop applications • Corrosion resistant, unaffected by all common acids, bases, and solvents • Shatter proof design to eliminate sudden breakdowns Why RULON 641 for Food and Pharmaceutical Applications • White natural color and lower friction than when using carbon bearings • No metallic debris to drop into a process such as when using bronze bearings • No leaky lubricants or lubricants damaged by high or low temperatures or cleaning solutions such as when using bronze bearings • RULON 641 has a wider temperature tolerance and better load carrying capabilities than UHMWPE materials • RULON 641 has better wear properties and better high temperature load carrying capabilities than virgin PTFE alone • Reduced downtime • No lubrication required 158 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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Boston Gear Helical Gears ■ Paral
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Boston Gear Worms and Worm Gears
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A Spur Gears 48 and 32 Diametral Pi
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A Spur Gears 10 and 8 Diametral Pit
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A Spur Gears 6 and 5 Diametral Pitc
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A Change Gears 20 Diametral Pitch (
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A Change Gears 12 Diametral Pitch (
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A Change Gears 8 Diametral Pitch (S
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A Drawn Pinion Wire 48, 32 and 24 D
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A Internal Gears 48 through 16 Diam
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A Spur Gears 48 Diametral Pitch (De
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A Spur Gears 32 Diametral Pitch (De
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A Spur Gears 6 and 5 Diametral Pitc
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A Internal Gears 64 through 24 Diam
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A Spur Gears Approximate Horsepower
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B Helical Gears 24 through 10 Trans
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B Helical Gears Selection Procedure
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B Helical Gears Approximate Horsepo
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C Miter Gears 48 through 20 Diametr
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C Miter Gears 8 through 4 Diametral
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C Bevel Gears 48 through 20 Diametr
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C Bevel Gears 12 and 10 Diametral P
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C Spiral Bevel Gears 30 through 8 D
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C Miter Gears Steel & Iron - Straig
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C Bevel Gears Steel & Iron - Straig
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C Notes 84 Boston Gear 800-825-6544
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D Worms & Worm Gears 48 Diametral P
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D Worms & Worm Gears 8 Diametral Pi
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D Worms & Worm Gears 4 Diametral Pi
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D Worms & Worm Gears Selection Proc
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D Worms & Worm Gears Steel-Hardened
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E Shaft Couplings FC Series Insert
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E Shaft Couplings BF Series Bost-Fl
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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
Page 119 and 120: E Setscrew Collars SC/SSC Series St
Page 121 and 122: E Clamping Collars CSC/CSSC/CASC Se
Page 123 and 124: E Thrust Washers Steel and Stainles
Page 125 and 126: E Grooved Pulleys G1200 Round Belt
Page 127 and 128: E Miniature Timing Belts and Pulley
Page 129 and 130: E Miniature HTD ® Timing Belts 3M
Page 131 and 132: E Timing Belt Pulleys PA Series For
Page 133 and 134: E Timing Belt Pulleys PLB Series Fo
Page 135 and 136: E Miniature HTD ® Timing Belts 5M
Page 137 and 138: E Timing Belt Pulleys PA Series For
Page 139 and 140: E Timing Belt Pulleys PLB Series Fo
Page 141 and 142: F BOST-BRONZ Oil-Impregnated Sinter
Page 151 and 152: F BEAR-N-BRONZE 660 Cast Bronze Bea
Page 159 and 160: F Bronze Bearing Emergency Banks Ac
Page 161: F BOStonE F-1 Glass Filled Teflon B
Page 165 and 166: F BOStonE Molded Plastic Bearings B
Page 167 and 168: F BOStonE Molded Plastic Bearings R
Page 175 and 176: F BOStonE Molded Plastic Bearings G
Page 177 and 178: F BOStonE Molded Nylon Bearings Pla
Page 179 and 180: F Engineering Information Sleeve Be
Page 181 and 182: F Engineering Information Sleeve Be
Page 183 and 184: F Engineering Information Lubricati
Page 185 and 186: F Engineering Information Shaft Cle
Page 187 and 188: F Engineering Information Machining
Page 189 and 190: F Anti-Friction Bearings Ball Beari
Page 191 and 192: F Anti-Friction Bearings 1600 Serie
Page 197 and 198: F Anti-Friction Bearings Flanged 40
Page 199 and 200: F Anti-Friction Bearings 600 Series
Page 203 and 204: F Self-Aligning Bearings KF Female
Page 205 and 206: F Self-Aligning Bearings CMHD Male/
Page 207 and 208: F Self-Aligning Bearings HME Male/H
Page 209 and 210: F Self-Aligning Bearings LHA-LHB-LH
Page 211 and 212: 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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