60BS21 21-Tooth Sprocket 1-15/16" Bore #60 Chain filter_60BS23-FB 40B33 sprockets with a stock

40B33 sprockets with a stock bore comes with the standard 5/8" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

While the phosphate coated and then painted finish adds corrosion resistance to the 43V412SH sheave

41BS72 1" Finished Bore Sprocket Dimensions

This 120B13 sprocket is a durable

Bore: 70mm

60BS21 21-Tooth Sprocket 1-15/16" Bore #60 Chain filter_60BS23-FB 40B33 sprockets with a stockThis 60BS21 sprocket featured a 1 15 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