category
- Open Gears 2,619
- Worm Gear Reducers 2,088
- Plain Bearings 2,065
- Sprockets 1,389
- Sheaves & Pulleys 459
- Pneumatic Cylinders 341
- Synchronous (Timing) Belts 228
- Chain 227
- Rod Ends 220
- Bevel Gear Reducers 206
- Shaft Collars 180
- Flange Units 117
- Pillow Blocks 105
- Ball Bearings 95
- Jaw Couplings 67
- AC Motors & Accessories 64
- Helical 54
- Universal Joints 44
- Roller Bearings 38
- Bearing Inserts 23
- Elastomeric Couplings 18
- Flow Controls & Pressure Regulators 15
- Mufflers & Silencers 13
- Specialty Valves 11
- Take-Ups 11
- Reducer Accessories 9
- Tensioners, Tighteners & Idlers 9
- Hydraulic Cylinders 8
- Torque Limiters & Accessories 6
- DC Motors & Accessories 2
- Hand Tools 1
InchMetric
Belt Size
Flange Type
Boston Gear
GD50B
-
mac
GD50B | Cast Iron Change Gear
Item #101782693
- 12 Diametral Pitch
- 50 Teeth
- 14.5 ° Pressure Angle
- 4.167" Pitch Diameter
- 1" Nominal Bore

Boston Gear
MBF-1 15/16
-
mac
MBF-1 15/16 | MBF Series Medium-Duty Cast Iron 4-Bolt Flange Unit
Item #101817844
- 1.9375" Shaft, Contact Seals, Setscrew Locking, Regreasable

Boston Gear
25B17
-
mac
25B17 | B Style Sprocket
Item #101837000
- Single Strand, Number 25, Type B, 17 Teeth Roller Chain Sprocket

Boston Gear
B34-5
-
mac
B34-5 | Bost-Bronz Oil-Impregnated Sintered Bronze Bearing
Item #101806140
- 3/16" ID x 1/4" OD x 5/8" Long
- Bronze - Oil Impregnated (SAE 841) Bushing

Boston Gear
60B23
-
mac
60B23 | B Style Sprocket
Item #101852898
- Single Strand, Number 60, Type B, 23 Teeth Roller Chain Sprocket

Boston Gear
YB56A
-
mac
YB56A | 20° Pressure Angle Spur Gear
Item #101775884
- Reborable Steel Gear
- 16 Diametral Pitch
- 20.0° Pressure Angle
- 56 Teeth
- 3 1/2" Pitch Diameter

Boston Gear
35B24-1
-
mac
35B24-1 | Finished Bore Sprocket
Item #101835735
- 35 Chain, 24 Tooth, 1 in Bore, With Keyway and Setscrew

Boston Gear
2SSC43
-
mac
2SSC43 | Clamping Shaft Collar
Item #101834992
- Two Piece Split Collar
- 7/16 in ID x 1 1/16 in OD x 5/16 in Wide
- 303 Stainless Steel, Plain Finish

Boston Gear
D40B19
-
mac
D40B19 | Double Strand Roller Chain Sprocket
Item #101837256
- Double Strand, Number 40, Type B, 19 Teeth Roller Chain Sprocket

Boston Gear
F710-5-B5-H
-
mac
F710-5-B5-H | 700 Series C-Face Quilled Reducer
Item #102222825
- 1" Center Distance
- 5:1 Ratio
- 56C Frame
- C-Face Quilled Input
- Left & Right Output

Boston Gear
M810-18
-
mac
M810-18 | Bear-N-Bronz 660 Cast Bronze Bearing
Item #101777767
- 1/2" ID x 5/8" OD x 2 1/4" Long
- Bronze - C93200 (SAE 660) Bushing

Boston Gear
NK20B
-
mac
NK20B | 14.5° Pressure Angle Spur Gear
Item #101753841
- Reborable Steel Gear
- 5 Diametral Pitch
- 14.5° Pressure Angle
- 20 Teeth
- 4" Pitch Diameter

Boston Gear
F622B-6.3-B7
-
mac
F622B-6.3-B7 | 101967647
Item #101967647
- 28150 / HELICAL SPEED REDUCERS

Boston Gear
718-30-G
-
mac
718-30-G | 700 Series Standard Reducer
Item #101806180
- 1 3/4" Center Distance
- 30:1 Ratio
- Shaft Input
- Left Output
- Universal Worm Position

Boston Gear
M1622-24
-
mac
M1622-24 | Bear-N-Bronz 660 Cast Bronze Bearing
Item #101777791
- 1" ID x 1 3/8" OD x 3" Long
- Bronze - C93200 (SAE 660) Bushing

Boston Gear
BE11-92BX1-9004
-
mac
BE11-92BX1-9004 | 102863046
Item #102863046
- 73376 / SERV KIT 2 ROD BRG

Boston Gear
YB24
-
mac
YB24 | 20° Pressure Angle Spur Gear
Item #101752384
- Reborable Steel Gear
- 16 Diametral Pitch
- 20.0° Pressure Angle
- 24 Teeth
- 1 1/2" Pitch Diameter

Boston Gear
2SC287
-
mac
2SC287 | Clamping Shaft Collar
Item #101855337
- Two Piece Split Collar
- 2 7/8 in ID x 4 1/2 in OD x 3/4 in Wide
- Steel, Black Oxide Finish

Boston Gear
CASC56
-
mac
CASC56 | Clamping Shaft Collar
Item #101777261
- One Piece Split Collar
- 9/16 in ID x 1 1/4 in OD x 3/8 in Wide
- Aluminum, Plain Finish

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