Description & Specifications
Our 40BS13H sprocket is an ANSI standard size sprocket with a 7/8" finished bore - includes keyway & 2 setscrews. This 13 tooth sprocket works with any ANSI #40 roller chain. Nitro 40B13 sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.

40B13 7/8" Sprocket Dimensions
- ANSI Chain Size:40
- Bore (D1):7/8''
- Tooth Count:13
- Pitch Diameter (dp):2.089''
- Outside Diameter (de):2.329''
- Sprocket Thickness (B1):0.284''
- Hub Diameter (dm):1-9/16''
- Length Thru Bore (LTB):7/8''
- 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
