60BS50 Sprocket With 1-5/8" Finished Bore 100B24 Sprockets This 25V1030SK Sheave uses an

This 25V1030SK Sheave uses an SK bushing

While the phosphate coated and then painted finish adds corrosion resistance to the 25V440SH sheave

2C120SF Sheave Dimensions

41B40 Sprocket Dimensions

40B72 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

60BS50 Sprocket With 1-5/8" Finished Bore 100B24 Sprockets This 25V1030SK Sheave uses anThis 60BS50 sprocket features a 1 5 8" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #60 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore