40BS37 Sprocket With 5/8" Finished Bore Double Groove Pulleys 100BS23 2 15/16" Finished Bore

100BS23 2 15/16" Finished Bore Sprocket Dimensions

40BS25 1-3/16" Finished Bore Sprocket Dimensions:

providing a universal fit for standard size 10 gearboxes with 5:1

Part #: UEFT 209

40BS37 Sprocket With 5/8" Finished Bore Double Groove Pulleys 100BS23 2 15/16" Finished BoreThis 40BS37 sprocket features a 5 8" 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 sprockets,