50BS38 Sprocket With 1-3/8" Finished Bore filter_H40BS29 This 4C140E Sheave uses a

This 4C140E Sheave uses a E QD bushing

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Dimension (d0): 61

This 2042B12 sprocket is durable

50BS38 Sprocket With 1-3/8" Finished Bore filter_H40BS29 This 4C140E Sheave uses aThis 50BS38 sprocket features a 1 3 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