Description & Specifications
40A84 sprockets are a ANSI standard size that has 84 teeth and works with #84 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 40A84 plate sprockets are a durable, high strength sprocket that is manufactured from 1045 cold drawn carbon steel.

40A84 Sprocket Dimensions
- ANSI Chain Size:40
- Bore (B):23/32"
- Tooth Count:84
- Pitch Diameter (PD):13.372''
- Outside Diameter (D):13.663''
- Sprocket Thickness (T):0.284"
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- Type Of Finish:Black Oxide
All dimensions listed are nominal values.

