50BS16 Sprocket With 1-3/8" Finished Bore Metric A1 Attachments 140R18H sprockets are bored to

140R18H sprockets are bored to accept a R1 type taper bushing

UCWP203 Bearing Dimensions

100E27 Sprocket Dimensions

Our superior UCST212-39 bearing with a 2-7/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid cast-iron housing

50BS16 Sprocket With 1-3/8" Finished Bore Metric A1 Attachments 140R18H sprockets are bored toThis 50BS16 sprocket featured a 1 3 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 #50 roller chain and sprocket thus preventing premature wear