50BS22 Sprocket With 1-1/4" Finished Bore 2BK140 Pulley This 2B68SDS sheave features two

This 2B68SDS sheave features two grooves

This 160B11 sprocket is a durable

Bearing Size: 6015-ZZ

and precision 60 tooth sprocket that is manufactured to accept a J bushing

50BS22 Sprocket With 1-1/4" Finished Bore 2BK140 Pulley This 2B68SDS sheave features twoThis 50BS22 sprocket featured a 1 1 4" 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