40BS42 Sprocket With 1" Finished Bore 2BK25 Pulley Breakage and premature wear aren't

Breakage and premature wear aren't part of your system anymore

2040B22 double pitch sprockets are manufactured specifically for C2040 double pitch roller chain

Our superior UCFT212-39 bearing with a 2-7/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

Sprocket Size: 100A27

140B30H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

40BS42 Sprocket With 1" Finished Bore 2BK25 Pulley Breakage and premature wear aren'tThis 40BS42 sprocket features a 1" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore sprockets,