About Roller Chain and Sprockets
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Sprockets for ANSI Roller Chain

Mount these sprockets onto your shaft and secure with a set screw—no machining necessary.

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 |
Quick-Disconnect (QD) Bushings


The screw connections on these bushings easily mate to compatible quick-disconnect sprockets and pulleys. Bushings fit quick-disconnect (QD) sprockets and pulleys of the same bushing style. As you tighten the included screws, the bushing grips the shaft and pulls it into the sprocket or pulley.
Keyway | ||||||||
---|---|---|---|---|---|---|---|---|
For Shaft Dia. | Overall Wd. | Wd. | Dp. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
Clamp On | ||||||||
SF Style Bushing | ||||||||
2 15/16" | 2 1/16" | 3/4" | 1/32" | 360 | Cast Iron | Clamping Screws, Machine Key | 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.
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 |