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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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About Roller Chain and Sprockets
More
Sprockets for ANSI Roller Chain
Without Keyway
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 25 Roller Chain (1/4" Pitch)
Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 9 | 1/4" | 0.84" | 1/2" | 7/16" | __ | __ | Steel | Two Set Screws | 000000 | 000000 |
| 10 | 1/4" | 0.92" | 1/2" | 1/2" | __ | __ | Steel | Two Set Screws | 000000 | 00000 |
| 11 | 1/4" | 1" | 1/2" | 9/16" | __ | __ | Steel | Two Set Screws | 000000 | 00000 |
| 12 | 1/4" | 1.08" | 1/2" | 5/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 12 | 3/8" | 1.08" | 1/2" | 5/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 13 | 1/4" | 1.17" | 1/2" | 23/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 13 | 3/8" | 1.17" | 1/2" | 23/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 14 | 1/4" | 1.25" | 1/2" | 13/16" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 14 | 3/8" | 1.25" | 1/2" | 13/16" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 14 | 1/2" | 1.25" | 1/2" | 13/16" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 15 | 1/4" | 1.33" | 1/2" | 57/64" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 15 | 3/8" | 1.33" | 1/2" | 57/64" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 15 | 1/2" | 1.33" | 1/2" | 57/64" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 16 | 1/4" | 1.41" | 1/2" | 31/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 16 | 3/8" | 1.41" | 1/2" | 31/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 16 | 1/2" | 1.41" | 1/2" | 31/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 17 | 1/4" | 1.49" | 1/2" | 1 1/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 17 | 3/8" | 1.49" | 1/2" | 1 1/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 17 | 1/2" | 1.49" | 1/2" | 1 1/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 17 | 5/8" | 1.49" | 1/2" | 1 1/32" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 18 | 1/4" | 1.57" | 1/2" | 1 1/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 18 | 3/8" | 1.57" | 1/2" | 1 1/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 18 | 1/2" | 1.57" | 1/2" | 1 1/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 18 | 5/8" | 1.57" | 1/2" | 1 1/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 18 | 3/4" | 1.57" | 1/2" | 1 1/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 19 | 1/4" | 1.65" | 1/2" | 1 7/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 19 | 3/8" | 1.65" | 1/2" | 1 7/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 19 | 1/2" | 1.65" | 1/2" | 1 7/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 19 | 5/8" | 1.65" | 1/2" | 1 7/32" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 19 | 3/4" | 1.65" | 1/2" | 1 7/32" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 20 | 1/4" | 1.73" | 5/8" | 1 9/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 20 | 3/8" | 1.73" | 5/8" | 1 9/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 20 | 1/2" | 1.73" | 5/8" | 1 9/32" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 20 | 5/8" | 1.73" | 5/8" | 1 9/32" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 20 | 3/4" | 1.73" | 5/8" | 1 9/32" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 20 | 7/8" | 1.73" | 5/8" | 1 9/32" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 1/4" | 1.81" | 5/8" | 1 3/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 3/8" | 1.81" | 5/8" | 1 3/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 1/2" | 1.81" | 5/8" | 1 3/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 5/8" | 1.81" | 5/8" | 1 3/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 3/4" | 1.81" | 5/8" | 1 3/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 7/8" | 1.81" | 5/8" | 1 3/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 22 | 1/4" | 1.89" | 5/8" | 1 7/16" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 22 | 3/8" | 1.89" | 5/8" | 1 7/16" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 22 | 1/2" | 1.89" | 5/8" | 1 7/16" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 22 | 5/8" | 1.89" | 5/8" | 1 7/16" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 22 | 3/4" | 1.89" | 5/8" | 1 7/16" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 22 | 7/8" | 1.89" | 5/8" | 1 7/16" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 23 | 1/4" | 1.97" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 23 | 3/8" | 1.97" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 23 | 1/2" | 1.97" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 23 | 5/8" | 1.97" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 23 | 3/4" | 1.97" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 23 | 7/8" | 1.97" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 23 | 1" | 1.97" | 5/8" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 24 | 3/8" | 2.05" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 24 | 1/2" | 2.05" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 24 | 5/8" | 2.05" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 24 | 3/4" | 2.05" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 24 | 7/8" | 2.05" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 24 | 1" | 2.05" | 5/8" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 25 | 3/8" | 2.13" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 25 | 1/2" | 2.13" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 25 | 5/8" | 2.13" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 25 | 3/4" | 2.13" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 25 | 7/8" | 2.13" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 25 | 1" | 2.13" | 5/8" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 26 | 3/8" | 2.21" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 26 | 1/2" | 2.21" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 26 | 5/8" | 2.21" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 26 | 3/4" | 2.21" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 26 | 7/8" | 2.21" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 26 | 1" | 2.21" | 5/8" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 28 | 3/8" | 2.37" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 28 | 1/2" | 2.37" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 28 | 5/8" | 2.37" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 28 | 3/4" | 2.37" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 28 | 7/8" | 2.37" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 28 | 1" | 2.37" | 5/8" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 30 | 3/8" | 2.53" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 30 | 1/2" | 2.53" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 30 | 5/8" | 2.53" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 30 | 3/4" | 2.53" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 30 | 7/8" | 2.53" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 30 | 1" | 2.53" | 5/8" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 32 | 3/8" | 2.69" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 32 | 1/2" | 2.69" | 5/8" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 32 | 5/8" | 2.69" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 32 | 3/4" | 2.69" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 32 | 7/8" | 2.69" | 5/8" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 32 | 1" | 2.69" | 5/8" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 36 | 3/8" | 3.01" | 3/4" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 36 | 1/2" | 3.01" | 3/4" | 1 1/2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 36 | 5/8" | 3.01" | 3/4" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 36 | 3/4" | 3.01" | 3/4" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 36 | 7/8" | 3.01" | 3/4" | 1 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 36 | 1" | 3.01" | 3/4" | 1 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 1/2" | 3.33" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 5/8" | 3.33" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 3/4" | 3.33" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 7/8" | 3.33" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 1" | 3.33" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 1 1/4" | 3.33" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 40 | 1 3/8" | 3.33" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 45 | 1/2" | 3.73" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 45 | 5/8" | 3.73" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 45 | 3/4" | 3.73" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 45 | 7/8" | 3.73" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 45 | 1" | 3.73" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 45 | 1 1/4" | 3.73" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 45 | 1 3/8" | 3.73" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 48 | 1/2" | 3.96" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 48 | 5/8" | 3.96" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 48 | 3/4" | 3.96" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 48 | 7/8" | 3.96" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 48 | 1" | 3.96" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 48 | 1 1/4" | 3.96" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 48 | 1 3/8" | 3.96" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1/2" | 4.44" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 5/8" | 4.44" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 3/4" | 4.44" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 7/8" | 4.44" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1" | 4.44" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/4" | 4.44" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 3/8" | 4.44" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 60 | 1/2" | 4.92" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 60 | 5/8" | 4.92" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 60 | 3/4" | 4.92" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 60 | 7/8" | 4.92" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 60 | 1" | 4.92" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 60 | 1 1/4" | 4.92" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 60 | 1 3/8" | 4.92" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 70 | 1/2" | 5.72" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 70 | 5/8" | 5.72" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 70 | 3/4" | 5.72" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 70 | 7/8" | 5.72" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 70 | 1" | 5.72" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 70 | 1 1/4" | 5.72" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 70 | 1 3/8" | 5.72" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 72 | 1/2" | 5.88" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 72 | 5/8" | 5.88" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 72 | 3/4" | 5.88" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 72 | 7/8" | 5.88" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 72 | 1" | 5.88" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 72 | 1 1/4" | 5.88" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 72 | 1 3/8" | 5.88" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
Machinable-Bore Sprockets for ANSI Roller Chain
For a custom fit on your shaft, these sprockets can be machined to your exact specifications. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size.
For technical drawings and 3-D models, click on a part number.
| Number of Teeth | For Shaft Dia. | For Max. Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 25 Roller Chain (1/4" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 9 | 1/4" | 1/4" | 0.84" | 1/2" | 7/16" | Steel | 000000 | 000000 |
| 10 | 1/4" | 1/4" | 0.92" | 1/2" | 1/2" | Steel | 000000 | 00000 |
| 11 | 1/4" | 5/16" | 1" | 1/2" | 9/16" | Steel | 000000 | 00000 |
| 12 | 1/4" | 3/8" | 1.08" | 1/2" | 5/8" | Steel | 000000 | 00000 |
| 13 | 1/4" | 7/16" | 1.17" | 1/2" | 23/32" | Steel | 000000 | 00000 |
| 14 | 1/4" | 9/16" | 1.25" | 1/2" | 13/16" | Steel | 000000 | 00000 |
| 15 | 1/4" | 9/16" | 1.33" | 1/2" | 57/64" | Steel | 000000 | 00000 |
| 16 | 1/4" | 9/16" | 1.41" | 1/2" | 31/32" | Steel | 000000 | 00000 |
| 17 | 1/4" | 5/8" | 1.49" | 1/2" | 1 1/32" | Steel | 000000 | 00000 |
| 18 | 1/4" | 3/4" | 1.57" | 1/2" | 1 1/8" | Steel | 0000000 | 00000 |
| 19 | 1/4" | 13/16" | 1.65" | 1/2" | 1 7/32" | Steel | 0000000 | 00000 |
| 20 | 1/4" | 7/8" | 1.73" | 5/8" | 1 9/32" | Steel | 0000000 | 00000 |
| 21 | 1/4" | 7/8" | 1.81" | 5/8" | 1 3/8" | Steel | 0000000 | 00000 |
| 22 | 1/4" | 15/16" | 1.89" | 5/8" | 1 7/16" | Steel | 0000000 | 00000 |
| 23 | 1/4" | 1" | 1.97" | 5/8" | 1 1/2" | Steel | 0000000 | 00000 |
| 24 | 3/8" | 1" | 2.05" | 5/8" | 1 1/2" | Steel | 0000000 | 00000 |
| 25 | 3/8" | 1" | 2.13" | 5/8" | 1 1/2" | Steel | 0000000 | 00000 |
| 30 | 3/8" | 1" | 2.53" | 5/8" | 1 1/2" | Steel | 0000000 | 00000 |
| 40 | 1/2" | 1 3/8" | 3.33" | 3/4" | 2" | Steel | 0000000 | 00000 |
| 45 | 1/2" | 1 3/8" | 3.73" | 3/4" | 2" | Steel | 0000000 | 00000 |
| 60 | 1/2" | 1 3/8" | 4.92" | 3/4" | 2" | Steel | 0000000 | 00000 |
Machinable-Bore Corrosion-Resistant Sprockets for ANSI Roller Chain
For a custom fit on your shaft, these sprockets can be machined to your exact specifications. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size. Made of stainless steel, they withstand washdown conditions and harsh environments.
For technical drawings and 3-D models, click on a part number.
| Number of Teeth | For Shaft Dia. | For Max. Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 25 Roller Chain (1/4" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 10 | 1/4" | 1/4" | 0.92" | 1/2" | 1/2" | 18-8 Stainless Steel | 000000 | 000000 |
| 12 | 1/4" | 3/8" | 1.08" | 1/2" | 5/8" | 18-8 Stainless Steel | 000000 | 00000 |
| 13 | 1/4" | 7/16" | 1.17" | 1/2" | 23/32" | 18-8 Stainless Steel | 000000 | 00000 |
| 14 | 1/4" | 9/16" | 1.25" | 1/2" | 13/16" | 18-8 Stainless Steel | 000000 | 00000 |
| 15 | 1/4" | 9/16" | 1.33" | 1/2" | 57/64" | 18-8 Stainless Steel | 000000 | 00000 |
| 16 | 1/4" | 9/16" | 1.41" | 1/2" | 31/32" | 18-8 Stainless Steel | 000000 | 00000 |
| 18 | 1/4" | 3/4" | 1.57" | 1/2" | 1 1/8" | 18-8 Stainless Steel | 0000000 | 00000 |
| 20 | 1/4" | 7/8" | 1.73" | 5/8" | 1 9/32" | 18-8 Stainless Steel | 0000000 | 00000 |
| 24 | 3/8" | 1" | 2.05" | 5/8" | 1 1/2" | 18-8 Stainless Steel | 0000000 | 00000 |
Lightweight Sprockets for ANSI Roller Chain
Made of nylon, these sprockets are lightweight, quiet, and corrosion resistant. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size.
For technical drawings and 3-D models, click on a part number.
| Number of Teeth | For Shaft Dia. | For Max. Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 25 Roller Chain (1/4" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 10 | 1/4" | 1/4" | 0.92" | 31/64" | 9/16" | Nylon Plastic | 00000000 | 000000 |
| 11 | 1/4" | 5/16" | 1" | 31/64" | 9/16" | Nylon Plastic | 00000000 | 00000 |
| 12 | 1/4" | 3/8" | 1.08" | 31/64" | 11/16" | Nylon Plastic | 000000000 | 00000 |
| 13 | 1/4" | 7/16" | 1.17" | 31/64" | 3/4" | Nylon Plastic | 000000000 | 00000 |
| 14 | 5/16" | 1/2" | 1.25" | 31/64" | 3/4" | Nylon Plastic | 000000000 | 00000 |
| 15 | 5/16" | 1/2" | 1.33" | 31/64" | 3/4" | Nylon Plastic | 000000000 | 00000 |
| 16 | 5/16" | 1/2" | 1.41" | 31/64" | 13/16" | Nylon Plastic | 000000000 | 00000 |
| 17 | 5/16" | 1/2" | 1.49" | 31/64" | 29/32" | Nylon Plastic | 000000000 | 00000 |
| 18 | 3/8" | 1/2" | 1.57" | 31/64" | 1" | Nylon Plastic | 000000000 | 00000 |
| 24 | 1/2" | 13/16" | 2.05" | 45/64" | 1 25/32" | Nylon Plastic | 000000000 | 00000 |
| 25 | 1/2" | 1" | 2.13" | 45/64" | 1 55/64" | Nylon Plastic | 00000000 | 00000 |
| 30 | 1/2" | 7/8" | 2.53" | 45/64" | 2" | Nylon Plastic | 000000000 | 00000 |
| 35 | 1/2" | 1" | 2.93" | 45/64" | 2" | Nylon Plastic | 00000000 | 00000 |
| 40 | 1/2" | 7/8" | 3.33" | 45/64" | 2" | Nylon Plastic | 00000000 | 00000 |
| 45 | 1/2" | 1" | 3.73" | 45/64" | 2" | Nylon Plastic | 00000000 | 00000 |
Idler Sprockets for ANSI Roller Chain
Maintain constant tension on your drive with these sprockets that press against your chain to take up slack and reduce wear and vibration. They rotate freely on built-in bearings and are for use with roller chain tensioners. Bearings are double sealed to keep dirt out.
For technical drawings and 3-D models, click on a part number.
Bearing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Type | Material | Each | |
For ANSI 25 Roller Chain (1/4" Pitch) | |||||||||
| 20 | 3/8" | 1.73" | 5/16" | 29/32" | Steel | Ball | Steel | 0000000 | 000000 |
Wear-Resistant Wide-Hub Idler Sprockets for ANSI Roller Chain
Hardened teeth give these steel sprockets increased wear resistance for a long service life. The wide hub provides stability under heavy loads. Designed to rotate freely on built-in bearings, idler sprockets maintain constant tension on your drive by pressing against your chain to take up slack and reduce wear and vibration. They are for use with roller chain tensioners.
For technical drawings and 3-D models, click on a part number.
Bearing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Type | Material | Each | |
For ANSI 25 Roller Chain (1/4" Pitch) | |||||||||
| 19 | 1/2" | 1.65" | 3/4" | 1 7/32" | Steel | Needle Roller | Bronze | 0000000 | 000000 |