50BS40 Sprocket With 1-1/8" Finished Bore filter_H35B112 This 120BS30 sprocket features a

This 120BS30 sprocket features a 2" finished bore with a key-way and two set screws

While the phosphate coated and then painted finish adds corrosion resistance to the 1TB54 pulley

This 2BK27 Pulley 3/4" bore is directly interchangeable with other manufacturers v-belt pulleys

40B47 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

Stock Bore: 12mm

50BS40 Sprocket With 1-1/8" Finished Bore filter_H35B112 This 120BS30 sprocket features aThis 50BS40 sprocket features a 1 1 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 #50 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