40BS57 Sprocket With 1-3/16" Finished Bore #160 R-Type Sprockets This 100BS19 sprocket features a

This 100BS19 sprocket features a 2-3/16" finished bore with a key-way and two set screws

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This 160F17 sprocket is a durable

SARFB205-15 Bearing Dimensions

40BS57 Sprocket With 1-3/16" Finished Bore #160 R-Type Sprockets This 100BS19 sprocket features aThis 40BS57 sprocket features a 1 3 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 #40 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