50BS57 Sprocket With 1-7/16" Finished Bore 41B8 Sprockets This 13V300JA Sheave uses a

This 13V300JA Sheave uses a JA bushing

Dimension (A): 180

Using the grade 35 cast iron offers a higher tensile strength and is more wear resistant than the more commonly used grade 25

2AK51 Pulley 1-1/8" Dimensions

While the phosphate coated and then painted finish adds corrosion resistance to the 45V465SD sheave

50BS57 Sprocket With 1-7/16" Finished Bore 41B8 Sprockets This 13V300JA Sheave uses aThis 50BS57 sprocket features a 1 7 16" 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