Description & Specifications
Our 40BS42H sprocket is an ANSI standard size sprocket with a 1-1/7" 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.

All dimensions listed are nominal values.
Features
