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Because this chain tensioner floats on the chain
50 poly steel roller chain is a 0
Sprocket Size: 120A70
50BS56 1 3/16" Finished Bore Sprocket Dimensions
For more information on a single groove 13V600SH sheave
50BS42 Sprocket With 1-1/4" Finished Bore 50B31 Sprockets Because this chain tensioner floatsThis 50BS42 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 #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
US$ 1315.00
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