60BS25 Sprocket With 1-1/2" Finished Bore 100B40 Sprockets This two groove 2BK110H Pulley

This two groove 2BK110H Pulley uses an H-Series Bushing

the 6205-ZZ bearing features raceways that are precision honed to a superb finish

Bearing Size: 6304

This 60BS32 sprocket features a 1" finished bore including a key-way and two setscrews

60BS25 Sprocket With 1-1/2" Finished Bore 100B40 Sprockets This two groove 2BK110H PulleyThis 60BS25 sprocket featured a 1 1 2" 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