About Roller Chain and Sprockets
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Flat Sprockets for ANSI Roller Chain


Also known as A-plate sprockets, these have a slim profile that fits in narrow spaces. 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. | Material | Each | |
For ANSI 40 Roller Chain (1/2" Pitch) | |||||||
---|---|---|---|---|---|---|---|
12 | 1/2" | 1 21/64" | 2.17" | 9/32" | Steel | 0000000 | 000000 |
13 | 1/2" | 1 1/2" | 2.33" | 9/32" | Steel | 0000000 | 00000 |
14 | 1/2" | 1 21/32" | 2.49" | 9/32" | Steel | 0000000 | 00000 |
15 | 5/8" | 1 13/16" | 2.65" | 9/32" | Steel | 0000000 | 00000 |
16 | 5/8" | 1 63/64" | 2.81" | 9/32" | Steel | 0000000 | 00000 |
17 | 5/8" | 2 9/64" | 2.98" | 9/32" | Steel | 0000000 | 00000 |
18 | 5/8" | 2 19/64" | 3.14" | 9/32" | Steel | 0000000 | 00000 |
19 | 5/8" | 2 29/64" | 3.3" | 9/32" | Steel | 0000000 | 00000 |
20 | 5/8" | 2 5/8" | 3.46" | 9/32" | Steel | 0000000 | 00000 |
21 | 5/8" | 2 25/32" | 3.62" | 9/32" | Steel | 0000000 | 00000 |
22 | 5/8" | 2 15/16" | 3.78" | 9/32" | Steel | 0000000 | 00000 |
23 | 5/8" | 3 3/32" | 3.94" | 9/32" | Steel | 0000000 | 00000 |
24 | 5/8" | 3 17/64" | 4.1" | 9/32" | Steel | 0000000 | 00000 |
25 | 5/8" | 3 27/64" | 4.26" | 9/32" | Steel | 0000000 | 00000 |
30 | 19/32" | 4 7/32" | 5.06" | 9/32" | Steel | 0000000 | 00000 |
35 | 19/32" | 5 1/64" | 5.86" | 9/32" | Steel | 0000000 | 00000 |
40 | 23/32" | 5 13/16" | 6.65" | 9/32" | Steel | 0000000 | 00000 |
45 | 23/32" | 6 39/64" | 7.45" | 9/32" | Steel | 0000000 | 00000 |
60 | 23/32" | 9" | 9.84" | 9/32" | Steel | 0000000 | 00000 |