50BS27 Sprocket With 7/8" Finished Bore 0.4375" Stock Bore Dimension (L2): 8-1/8"

Dimension (L2): 8-1/8"

This 4C360F Sheave uses a F QD bushing

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the 6004-ZZ bearing features raceways that are precision honed to a superb finish

ISO Chain #: 12A

50BS27 Sprocket With 7/8" Finished Bore 0.4375" Stock Bore Dimension (L2): 8-1/8"This 50BS27 sprocket featured a 7 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 #50 roller chain and sprocket thus preventing premature wear or