40BS17 High-Performance Sprocket 1-1/8" SH Our superior HCST208-24 bearing with

Our superior HCST208-24 bearing with a 1-1/2" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid cast-iron housing

the 5208 bearing features raceways that are precision honed to a superb finish

40B48 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

as well as OEMs all around the world

40BS17 High-Performance Sprocket 1-1/8" SH Our superior HCST208-24 bearing withThis 40BS17 sprocket featured a 1 1 8" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear