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This 40BS57 sprocket features a 1-1/2" finished bore including a key-way and two setscrews
Variable Pitch 2VP71 Pulley 7/8" is designed and engineered in a way that allows for precise adjustments in diameter
Our HCFS212-38 bearing is dimensionally made to industry standards
For more information on a double groove 2TB40 pulley
50BS55 Sprocket With 1-1/2" Finished Bore Specialty Chain This 40BS57 sprocket features aThis 50BS55 sprocket features a 1 1 2" 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
