Description & Specifications
240A40 sprockets are a ANSI standard size that has 240A40 teeth and works with #240 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 240A40 plate sprockets are a durable, high strength sprocket that is manufactured from 1045 cold drawn carbon steel.

240A40 Sprocket Dimensions
- ANSI Chain Size:240
- Bore (B):1-1/2"
- Tooth Count:40
- Pitch Diameter (PD):38.237''
- Outside Diameter (D):39.918''
- Sprocket Thickness (T):1.738"
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- Type Of Finish:Black Oxide
All dimensions listed are nominal values.

