40BS57 Sprocket With 3/4" Finished Bore 35B40 Sprockets HCFS211 bearing is a 55mm

HCFS211 bearing is a 55mm bore four-bolt normal-duty flange bearing that utilizes an eccentric locking device to secure to a 55mm shaft

UCFCS207-23 bearing is a 1-7/16" bore four-bolt normal-duty flange bearing that utilizes set screws to secure to a 1-7/16" shaft and has an inch based housing

6904-ZZ Ball Bearing Dimensions

HCFS205-14 bearing is a 7/8" bore four-bolt normal-duty flange bearing that utilizes an eccentric locking device to secure to a 7/8" shaft

Besides 1VP50 pulleys with a 7/8" bore we also stock a full line of high-quality performance 3L

40BS57 Sprocket With 3/4" Finished Bore 35B40 Sprockets HCFS211 bearing is a 55mmThis 40BS57 sprocket features a 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 #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,