Description & Specifications
Our 40BS42H sprocket is an ANSI standard size sprocket with a 3/4" finished bore - includes keyway & 2 setscrews. This 42 tooth sprocket works with any ANSI #40 roller chain. Nitro 40B42 sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.

40B42 3/4" Sprocket Dimensions
- ANSI Chain Size:40
- Bore:3/4''
- Tooth Count:42
- Pitch Diameter (dp):6.691''
- Outside Diameter (de):6.972''
- Sprocket Thickness (B1):0.284''
- Hub Diameter (dm):3-1/2''
- Length Thru Bore (LTB):1-1/8''
- 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
