40BS57 Sprocket With 3/4" Finished Bore 35B40 Sprockets UCFCS207-23 bearing is a 1-7/16"

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

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

160F19 Sprocket Dimensions

HC201 Bearing Dimensions

Part #: 08B K1

40BS57 Sprocket With 3/4" Finished Bore 35B40 Sprockets UCFCS207-23 bearing is a 1-7/16"This 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,