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R4A-2RS Ball Bearing Dimensions
40B70 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes
Bearing Part #: SSUCTPTB209-26
With every turn
While the phosphate coated and then painted finish adds corrosion resistance to the 4C140E sheave
60BS43 Sprocket With 1-3/4" Finished Bore 120B22 Sprockets R4A-2RS Ball Bearing DimensionsThis 60BS43 sprocket features a 1 3 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 #60 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
