40BS53 Sprocket With 5/8" Finished Bore B-Hub C2082H Sprockets This 40BS54 sprocket features a

This 40BS54 sprocket features a 1" finished bore including a key-way and two setscrews

UCFCS206-19 Bearing Dimensions

Size: 1B34SH

HCTB209 Bearing Dimensions

Dimension (B): 10mm

40BS53 Sprocket With 5/8" Finished Bore B-Hub C2082H Sprockets This 40BS54 sprocket features aThis 40BS53 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,