D40B21H Sprocket With Stock Bore 2AK114 Pulley UCX11-36 bearing is a medium-duty

UCX11-36 bearing is a medium-duty ball bearing insert made to C3 precision standards and utilizes set screws for securing a 2-1/4" shaft

Bearing Size: 6322

This 80BS31 sprocket features a 1-15/16" finished bore including a key-way and two setscrews

CSA730MFM205-14 Bearing Dimensions

D40B21H Sprocket With Stock Bore 2AK114 Pulley UCX11-36 bearing is a medium-dutyThis D40B21H sprocket is a durable, high quality, and precision double sprocket with 21 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 2 double roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide