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 40 Roller Chain (1/2" Pitch)

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
50 | 3/4" | 8.25" | 1 1/8" | 3 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 000000 |
50 | 7/8" | 8.25" | 1 1/8" | 3 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
50 | 1" | 8.25" | 1 1/8" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
50 | 1 1/4" | 8.25" | 1 1/8" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
50 | 1 3/8" | 8.25" | 1 1/8" | 3 1/2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
50 | 1 1/2" | 8.25" | 1 1/8" | 3 1/2" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |