80BS11 Sprocket With 1-1/2" Finished Bore 1.5" Finished Bore 140B21H sprockets with a stock

140B21H 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

This 6217-ZZ ball bearing is a high-precision premium quality deep groove shielded 85x150x28 ball bearing made to ABEC 3 precision standards from AXIS

which means that custom parts are available for each order

10B21 sprockets with a stock bore comes with the standard 16 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Our superior UCFT208-25 bearing with a 1-9/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

80BS11 Sprocket With 1-1/2" Finished Bore 1.5" Finished Bore 140B21H sprockets with a stockThis 80BS11 sprocket features a 1 1 2" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 11 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 #80 roller chain and sprocket thus preventing premature