40B56 Sprocket With Stock Bore #100 E Type Sprockets the 5310-2RS bearing features raceways

the 5310-2RS bearing features raceways that are precision honed to a superb finish

This 2B5V52 Sheave uses a B bushing

Dimension (D): 1

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40B56 Sprocket With Stock Bore #100 E Type Sprockets the 5310-2RS bearing features racewaysThis 40B56 sprocket is a durable, premium quality, and precision sprocket that is manufactured out of high quality steel. This sprocket is manufactured for optimum performance, durability, and to strict quality control standards. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket which prevents premature wear or breakage. It is also black