Description & Specifications
Our 40BS18H sprocket is an ANSI standard sprocket with a 7/8" finished bore that has a keyway & 2 setscrews. 40BS18 sprockets are an 18 tooth sprocket that works with ANSI #40 roller chain. These sprockets are manufactured from 1045CD carbon steel material. The sprocket teeth are hardened for increased wear resistance.

40B18 7/8" Sprocket Dimensions
- ANSI Chain Size:40
- Bore (D1):7/8''
- Tooth Count:18
- Pitch Diameter (dp):2.879''
- Outside Diameter (de):3.136''
- Sprocket Thickness (B1):0.284''
- Hub Diameter (dm):2-5/16''
- Length Thru Bore (LTB):1''
- Keyway Size:3/16'' X 3/32''
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- No. Of Setscrews:2
- Type Of Finish:Black Oxide
Features
