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This 25V710SK Sheave uses an SK bushing
Sprocket Size: 160R18H
40B-1 offset links are manufactured specifically for 40B-1 roller chain and are also commonly known as half links
Keyway Size: 5/16" X 5/32"
50BS84 1 3/4" Finished Bore Sprocket Dimensions
50BS57 Sprocket With 1" Finished Bore 5V Ten-Groove QD Bushed Sheaves This 25V710SK Sheave uses anThis 50BS57 sprocket features a 1" 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 sprockets,
