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About Roller Chain and Sprockets
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Sprockets for ANSI Roller Chain
With Keyway
Mount these sprockets onto your shaft and secure with a set screw—no machining necessary.
For technical drawings and 3-D models, click on a part number.
For ANSI 100 Roller Chain (1 1/4" Pitch)
Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 16 | 2 15/16" | 7.03" | 1 3/4" | 4 1/2" | 3/4" | 3/8" | Steel | Two Set Screws | 00000000 | 0000000 |
| 17 | 2 15/16" | 7.44" | 1 3/4" | 4 1/2" | 3/4" | 3/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 18 | 2 15/16" | 7.84" | 1 3/4" | 4 1/2" | 3/4" | 3/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 19 | 2 15/16" | 8.24" | 2" | 4 1/2" | 3/4" | 3/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 2 15/16" | 8.64" | 2" | 4 1/2" | 3/4" | 3/8" | Steel | Two Set Screws | 00000000 | 000000 |
Taper-Lock Bushings
Mount these hubless bushings flush into your sprocket or pulley for a slim profile with no protruding screws. They are for use with taper-lock sprockets of the same bushing style. As you tighten the included set screws, the bushing grips the shaft and pulls it into your sprocket or pulley.
For technical drawings and 3-D models, click on a part number.
Keyway | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | Overall Wd. | Wd. | Dp. | Taper | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
3020 Style Bushing | |||||||||
| 2 7/8" | 2" | 3/4" | 3/8" | 8° | 800 | Steel | Machine Key, Set Screws | 000000000 | 000000 |
| 2 15/16" | 2" | 3/4" | 3/8" | 8° | 800 | Steel | Machine Key, Set Screws | 000000000 | 00000 |
| 3" | 2" | 3/4" | 3/8" | 8° | 800 | Steel | Machine Key, Set Screws | 000000000 | 00000 |
4545 Style Bushing | |||||||||
| 2 15/16" | 4 1/2" | 3/4" | 3/8" | 8° | 2,450 | Cast Iron | Set Screws | 000000000 | 000000 |