Rotary Drive Products
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Rotary Drive Products Gears, Bearings, Couplings and Shaft Accessories

Boston Gear Boston Gear offers the industry’s largest line up of reliable speed reducers, gearing and other quality drivetrain components. With more than 125 years of frontline experience, Boston Gear is recognized globally as a premier resource for extremely reliable, highperformance power transmission components. Boston Gear offers the industry’s most comprehensive product array featuring more than 30,000 standard products combined with the ability to custom engineer unique solutions when required. Product lines include standard enclosed gear drives, custom speed reducers, AC/DC motors,...

Modified Stock Gearing With thousands of stock gears available, chances are we’ve got just what you’re looking for. If you find a stock gear that’s close to what you need, but not precisely right, that’s not a problem. We can modify most stock gears to meet your requirements and ship it within 24 hours. The full range of modifications we can provide are shown below. Face Width Reduced Keyway(s) Added Tapped Holes Added (for set screws) Hub Projection Reduced Bore Enlarged Hub Diameter Reduced With Boston Gear, stock gear modifications are quick and easy. Give us a call at Keyways and bores...

Geometric Dimensioning Gear Types • Spur • Helical • Miter & Bevel • Worm & Worm Gear AGMA Classes AGMA 9 Non-Heat Treated, Spur & Helical Gears only AGMA 8 Heat Treated & Non-Heat Treated, all other gears Note: Worm & Worm Gears do not have AGMA Class listings, however Boston Gear manufacturing tolerances relate to AGMA 8. Capabilities < 2” > 2” Features Diameter Diameter Bore Diameter .0005” .0010” Tapped Holes 2B Thread < 2” > 2” Features Diameter Diameter Splines Diametral Pitch ar Diametral Pitch Face ae Pitch Diameter Max. Consult Engineering Note: Circular Pitch (.0491”-1.0472”) or...

Company Name_ City/State Zip Tel. NoFax No Contact Name_ Special Information ^ Boston GearAltra Industrial Motion P-1930-BG 4/19

Stock Gears Spur Gears Helical Gears Miter and Bevel Gears Worms and Worm Gears

Diametrical Pitch Tooth Gauge

Product Selection / Reference Guide PLAIN CYLINDRICAL PLATE STOCK CORED BARS SOLID BARS Page 143 PLAIN CYLINDRICAL Page 144 CORED BARS Page 144 SOLID BARS THRUST TYPE BOST-BRONZ® OIL IMPREGNATED SINTERED BRONZE FLANGED TYPE BEAR-N-BRONZ® 660 CAST BRONZE BOST-BRONZ & BEAR-N-BRONZ BRONZE EMERGENCY BEARING BANKS PLAIN CYLINDRICAL BOSTONE® F-1 GLASS FILLED TEFLON FLANGED THRUST TYPE BOStonE® F-1 GLASS FILLED TEFLON Pages 158–159 ROLL END FOR TUBING EXTRA LENGTH BLIND & STANDARD PIPE BORE INSERTS Pages 162–168 Page 169 MOLDED ROLLERS SHAFT CLIP PLASTIC PLAIN CYLINDRICAL BOSTONE® MOLDED PLASTIC...

Product Selection / Reference Guide PLAIN CYLINDRICAL THRUST TYPE BOStonE® MOLDED NYLON RADIAL BALL BEARINGS GROUND, UNBANDED THRUST BALL BEARINGS BALL BEARING SHEAVES BALL BEARING WHEELS Page 195 HM-C SERIES HF-C FEMALE SERIES CMHD MALE SERIES CFHD FEMALE SERIES HM MALE SERIES HF FEMALE SERIES HME MALE SERIES HFE FEMALE SERIES HMX MALE SERIES HFX FEMALE SERIES

Product Selection / Reference Guide LHA-LHB-LHSS LHSSE-LHSSVV SERIES SERIES SPHERICAL BEARINGS PS/XL-S-MB SERIES BEARINGS & LOCKING COLLAR SERIES PPB SERIES PS SERIES XL SERIES L SERIES H SERIES Page 215 SL/SH SERIES Pages 220–221 Page 222 PS2/PS3 SERIES XL2/XL3 SERIES SF/ST SERIES SHAFT SUPPORTS TAKE-UP FRAMES SSUP/SSHC SERIES SSUFL/SSUF SERIES SSUFB SERIES SSUT SERIES STAINLESS STEEL MOUNTED BEARINGS

Product Selection / Reference Guide SPIDER RING PIN & BLOCK FORGED MOLDED FCP Type – Page 106 MOLDED WITH SLIDE EXTENSION UNIVERSAL JOINTS J Type – Pages 107–108 UJN Type – Pages 109–111 HARDENED STEEL WASHERS SOFT STEEL BUSHINGS Page 120 TIMING BELTS

Product Selection / Reference Guide MULTIPLE WIDTHS ANSI STANDARD TRANSMISSION SERIES CONVEYOR SERIES HEAVY SERIES LEAF (CABLE) Page 261 CHAIN PULLERS & CHAIN BREAKING TOOLS ROLLER, BLOCK & LEAF CHAINS Page 259 Page 260 LADDER MINIATURE ROLLER CHAIN PLASTIC & STAINLESS STEEL ROLLER CHAIN BLOCK CHAIN LADDER CHAIN SCREW/SPRING ADJUSTABLE SHAFT MOUNTED DRIVE TENSIONS DRIVE TENSIONERS

Boston Gear Parallel Shaft Applications Reliability from Steel, Cast Iron and Brass More Cost Effective, Quieter Running and Corrosion-Resistant Operation from Non-Metallic Options Higher Load Carrying Capacity with 20° PA (Pressure Angle) Higher Contact Ratio for a Smoother, Quieter Operation with 14-1/2° PA Selections From Stock • Pinions and Gears (Steel, Cast Iron, Brass, Non-Metallic) • Change Gears (Steel or Cast Iron) • Stem Pinions (Steel) • Drawn Pinion Wire (Brass, Steel) • Rack (Steel, Nylon) • Internal (Brass) • Diametral Pitch 64 DP to 3 DP • Pitch Diameter .208” to 36.000” •...

Boston GearHelical Gears ■ Parallel and 90° Non-Intersecting Shaft Applications ■ Improved Tooth Strength ■ Greater Load Carrying Capacity ■ Increased Contact Ratio ■ Smoother Operating Characteristics Selections From Stock • Helicals, 45° Helix Angle • Transverse Diametral Pitch (TDP) System • Hardened Steel (24 TDP - 6 TDP) • Bronze (8 TDP - 6 TDP) • Pitch Diameter .333” to 6.000” • 14-1/2° Pressure Angle Boston helical gears are stocked both right and left hand, made with a 45° helix angle. They are designed to transmit motion and power between non-intersecting shafts which are...

Boston Gear Miter and Bevel Gears 90° Intersecting Shaft Applications n Coniflex® Tooth Form for Increased Life and Smoother, Quieter Operation n Spiral Miter and Bevel for Higher Speed, Greater Torque Load, and Quieter Operating Applications n Miter Gears for 1:1 Ratio Applications n Bevel Gears for 1.5:1 to 6:1 Ratio Applications n Soft Bores for Customized Alterations n Selections from Stock • Straight Miter Gears – Nylon (48 DP – 16 DP) – Brass (48 DP – 24 DP) – Steel (48 DP – 4 DP) – Iron (8 DP – 4 DP) • Spiral Miter Gears (35° Spiral Angle) – Steel (18 DP – 5 DP) • Straight Bevel...