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 41 Roller Chain (1/2" Pitch)

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
27 | 5/8" | 4.58" | 1" | 3 1/4" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 000000 |
27 | 3/4" | 4.58" | 1" | 3 1/4" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
27 | 7/8" | 4.58" | 1" | 3 1/4" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
27 | 1" | 4.58" | 1" | 3 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |