60BS18 Sprocket With 1-1/4" Finished Bore filter_H40BS31 140F30 sprockets are manufactured to

140F30 sprockets are manufactured to accept a F type QD bushing which

This 40B33 sprocket is a durable

The combination of all creates an 12B hollow pin chain that is more capable and has an extended lifespan compared to others

RCSM-17 Bearing Dimensions

60BS18 Sprocket With 1-1/4" Finished Bore filter_H40BS31 140F30 sprockets are manufactured toThis 60BS18 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 #60 roller chain and sprocket thus preventing premature wear