40B52 Sprocket With Stock Bore Chain Coupling Sprockets HCFS210 bearing is a 50mm

HCFS210 bearing is a 50mm bore four-bolt normal-duty flange bearing that utilizes an eccentric locking device to secure to a 50mm shaft

06B32 sprockets with a stock bore comes with the standard 14 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Bore: 10mm

and is designed to use a SF bushing

Part #: UCTB 210-31

40B52 Sprocket With Stock Bore Chain Coupling Sprockets HCFS210 bearing is a 50mmThis 40B52 sprocket is a durable, premium quality, and precision sprocket that is manufactured out of high quality steel. This sprocket is manufactured for optimum performance, durability, and to strict quality control standards. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket which prevents premature wear or breakage. It is also black