40A20 Sprocket Stock Bore ANSI 40A20 1.3125" Stock Bore This 40A51 sprocket is a

This 40A51 sprocket is a durable

the 5204 bearing features raceways that are precision honed to a superb finish

This 2082B26 sprocket is durable

This two groove 2BK120H Pulley uses an H-Series Bushing

40A20 Sprocket Stock Bore ANSI 40A20 1.3125" Stock Bore This 40A51 sprocket is aThis 40A20 sprocket is a durable, high quality, and precision A Plate sprocket that is manufactured out of high quality steel. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also evenly coated with black oxide, which adds resistance to to the environment and will prevent