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the 6303 bearing features raceways that are precision honed to a superb finish
40BS40 1" Finished Bore Sprocket Dimensions:
UCTB206-19 Bearing Dimensions
Variable Pitch 1VP62 Pulley 1-1/4" is designed and engineered in a way that allows for precise adjustments in diameter
40BS52 High-Performance Sprocket 1-1/4" 40B23 Sprockets the 6303 bearing features racewaysThis 40BS52 sprocket features a 1 1 4" 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
US$ 25.99
US$ 17.50
US$ 17.50
US$ 129.00
