60BS27 Sprocket With 1-3/8" Finished Bore Shaft Mount Reducer Accessories This 50BS31 sprocket features a

This 50BS31 sprocket features a 7/8" finished bore including a key-way and two setscrews

120F54 sprockets are made to accept a F size taper bushing which we also stock with a wide range of bore sizes

This 60BS38 sprocket features a 2" finished bore including a key-way and two setscrews

Size: 3B250SF

60BS27 Sprocket With 1-3/8" Finished Bore Shaft Mount Reducer Accessories This 50BS31 sprocket features aThis 60BS27 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 #60 roller chain and sprocket thus preventing premature wear