60BS21 Sprocket With 1-3/16" Finished Bore 4.5" Stock Bore This 50BTB35 sprocket is a

This 50BTB35 sprocket is a durable

Part #:SBRFB204-12

The #160 roller chain wear gauge is manufactured to extremely high precision tolerances and can be used for #120

41BS112 1" Finished Bore Sprocket Dimensions

60BS21 Sprocket With 1-3/16" Finished Bore 4.5" Stock Bore This 50BTB35 sprocket is aThis 60BS21 sprocket featured a 1 3 16" 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