Description & Specifications
240A21 sprockets are a ANSI standard size that has 240A21 teeth and works with #240 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 240A21 plate sprockets are a durable, high strength sprocket that is manufactured from 1045 cold drawn carbon steel.
240A21 Sprocket Dimensions
- ANSI Chain Size:240
- Bore (B):1-1/2"
- Tooth Count:21
- Pitch Diameter (PD):20.129''
- Outside Diameter (D):21.705''
- Sprocket Thickness (T):1.738"
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- Type Of Finish:Black Oxide
All dimensions listed are nominal values.
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