About Roller Chain and Sprockets
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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 |
For ANSI 35 Roller Chain (3/8" Pitch) | ||||||||
| 9 | 3/8" | 3/8" | 1.26" | 3/4" | 27/32" | Steel | 00000000 | 00000 |
| 10 | 3/8" | 9/16" | 1.38" | 3/4" | 31/32" | Steel | 00000000 | 00000 |
| 11 | 3/8" | 9/16" | 1.5" | 3/4" | 1 1/16" | Steel | 00000000 | 00000 |
| 12 | 1/2" | 9/16" | 1.63" | 3/4" | 1 7/32" | Steel | 00000000 | 00000 |
| 13 | 1/2" | 11/16" | 1.75" | 3/4" | 1 1/4" | Steel | 00000000 | 00000 |
| 14 | 1/2" | 7/8" | 1.87" | 3/4" | 1 1/4" | Steel | 00000000 | 00000 |
| 15 | 1/2" | 7/8" | 1.99" | 3/4" | 1 11/32" | Steel | 00000000 | 00000 |
| 16 | 1/2" | 15/16" | 2.11" | 3/4" | 1 15/32" | Steel | 00000000 | 00000 |
| 17 | 1/2" | 1 1/16" | 2.23" | 3/4" | 1 19/32" | Steel | 00000000 | 00000 |
| 18 | 1/2" | 1 3/16" | 2.35" | 3/4" | 1 23/32" | Steel | 00000000 | 00000 |
| 19 | 1/2" | 1 1/4" | 2.47" | 3/4" | 1 27/32" | Steel | 00000000 | 00000 |
| 20 | 1/2" | 1 5/16" | 2.59" | 3/4" | 1 15/16" | Steel | 00000000 | 00000 |
| 21 | 1/2" | 1 3/8" | 2.71" | 7/8" | 2" | Steel | 00000000 | 00000 |
| 22 | 1/2" | 1 3/8" | 2.83" | 7/8" | 2" | Steel | 00000000 | 00000 |
| 23 | 1/2" | 1 3/8" | 2.95" | 7/8" | 2" | Steel | 00000000 | 00000 |
| 24 | 1/2" | 1 3/8" | 3.07" | 7/8" | 2" | Steel | 00000000 | 00000 |
| 25 | 1/2" | 1 3/8" | 3.19" | 7/8" | 2" | Steel | 00000000 | 00000 |
| 30 | 1/2" | 1 3/8" | 3.79" | 7/8" | 2" | Steel | 00000000 | 00000 |
| 35 | 5/8" | 1 1/2" | 4.39" | 7/8" | 2 1/4" | Steel | 00000000 | 00000 |
| 40 | 5/8" | 1 1/2" | 4.99" | 1" | 2 1/4" | Steel | 00000000 | 00000 |
| 45 | 5/8" | 1 1/2" | 5.59" | 1" | 2 1/4" | Steel | 00000000 | 00000 |
| 60 | 3/4" | 1 1/2" | 7.38" | 1" | 2 1/4" | Steel | 00000000 | 00000 |
For ANSI 40 Roller Chain (1/2" Pitch) | ||||||||
| 9 | 1/2" | 9/16" | 1.67" | 7/8" | 1 1/16" | Steel | 00000000 | 00000 |
| 10 | 1/2" | 3/4" | 1.84" | 7/8" | 1 1/4" | Steel | 00000000 | 00000 |
| 11 | 1/2" | 7/8" | 2" | 7/8" | 1 3/8" | Steel | 00000000 | 00000 |
| 12 | 1/2" | 1" | 2.17" | 7/8" | 1 9/16" | Steel | 00000000 | 00000 |
| 13 | 1/2" | 1 1/16" | 2.33" | 7/8" | 1 9/16" | Steel | 00000000 | 00000 |
| 14 | 1/2" | 1 1/8" | 2.49" | 7/8" | 1 11/16" | Steel | 00000000 | 00000 |
| 15 | 1/2" | 1 1/4" | 2.65" | 7/8" | 1 13/16" | Steel | 00000000 | 00000 |
| 16 | 5/8" | 1 3/8" | 2.81" | 7/8" | 2" | Steel | 00000000 | 00000 |
| 17 | 5/8" | 1 7/16" | 2.98" | 1" | 2 1/8" | Steel | 00000000 | 00000 |
| 18 | 5/8" | 1 1/2" | 3.14" | 1" | 2 5/16" | Steel | 00000000 | 00000 |
| 19 | 5/8" | 1 3/4" | 3.3" | 1" | 2 1/2" | Steel | 00000000 | 00000 |
| 20 | 5/8" | 1 7/8" | 3.46" | 1" | 2 5/8" | Steel | 00000000 | 00000 |
| 21 | 5/8" | 1 7/8" | 3.62" | 1" | 2 3/4" | Steel | 00000000 | 00000 |
| 22 | 5/8" | 1 7/8" | 3.78" | 1" | 2 7/8" | Steel | 00000000 | 00000 |
| 23 | 5/8" | 2" | 3.94" | 1" | 3" | Steel | 00000000 | 00000 |
| 24 | 5/8" | 2 1/4" | 4.1" | 1" | 3 1/4" | Steel | 00000000 | 00000 |
| 25 | 5/8" | 2 1/4" | 4.26" | 1" | 3 1/4" | Steel | 00000000 | 00000 |
| 30 | 5/8" | 2 1/4" | 5.06" | 1" | 3 1/4" | Steel | 00000000 | 00000 |
| 35 | 5/8" | 2 1/4" | 5.86" | 1" | 3 1/4" | Steel | 00000000 | 00000 |
| 40 | 3/4" | 2 3/8" | 6.65" | 1 1/8" | 3 1/2" | Steel | 00000000 | 00000 |
| 45 | 3/4" | 2 3/8" | 7.45" | 1 1/8" | 3 1/2" | Steel | 00000000 | 00000 |
| 60 | 3/4" | 2 3/8" | 9.84" | 1 1/8" | 3 1/2" | Steel | 00000000 | 00000 |
For ANSI 50 Roller Chain (5/8" Pitch) | ||||||||
| 9 | 5/8" | 3/4" | 2.09" | 1" | 1 3/8" | Steel | 00000000 | 00000 |
| 10 | 5/8" | 7/8" | 2.3" | 1" | 1 9/16" | Steel | 00000000 | 00000 |
| 11 | 5/8" | 1" | 2.5" | 1" | 1 3/4" | Steel | 00000000 | 00000 |
| 12 | 5/8" | 1 1/4" | 2.71" | 1" | 1 63/64" | Steel | 00000000 | 00000 |
| 13 | 5/8" | 1 5/16" | 2.91" | 1" | 1 7/8" | Steel | 00000000 | 00000 |
| 14 | 5/8" | 1 7/16" | 3.11" | 1" | 2 1/8" | Steel | 00000000 | 00000 |
| 15 | 5/8" | 1 1/2" | 3.32" | 1" | 2 3/8" | Steel | 00000000 | 00000 |
| 16 | 5/8" | 1 3/4" | 3.52" | 1" | 2 1/2" | Steel | 00000000 | 00000 |
| 17 | 5/8" | 1 7/8" | 3.72" | 1" | 2 11/16" | Steel | 00000000 | 00000 |
| 18 | 5/8" | 1 7/8" | 3.92" | 1" | 2 7/8" | Steel | 00000000 | 00000 |
| 19 | 5/8" | 2" | 4.12" | 1" | 3" | Steel | 00000000 | 00000 |
| 20 | 3/4" | 2" | 4.32" | 1" | 3" | Steel | 00000000 | 00000 |
| 21 | 3/4" | 2" | 4.52" | 1" | 3" | Steel | 00000000 | 00000 |
| 22 | 3/4" | 2" | 4.72" | 1" | 3" | Steel | 00000000 | 00000 |
| 23 | 3/4" | 2" | 4.92" | 1" | 3" | Steel | 00000000 | 00000 |
| 24 | 3/4" | 2" | 5.12" | 1 1/4" | 3" | Steel | 00000000 | 00000 |
| 25 | 3/4" | 2" | 5.32" | 1 1/4" | 3" | Steel | 00000000 | 00000 |
| 30 | 3/4" | 2 1/4" | 6.32" | 1 1/4" | 3 1/4" | Steel | 00000000 | 00000 |
| 35 | 3/4" | 2 1/4" | 7.32" | 1 1/4" | 3 1/4" | Steel | 00000000 | 00000 |