40B23 Sprocket With Stock Bore 16B-4 Metric Roller Chain HCFS209 bearing is a 45mm

HCFS209 bearing is a 45mm bore four-bolt normal-duty flange bearing that utilizes an eccentric locking device to secure to a 45mm shaft

this UCPX06-19 bearing is directly interchangeable with other brands

and precision 40 tooth sprocket that is manufactured to accept a M bushing

UCP212 Bearing Dimensions

40B23 Sprocket With Stock Bore 16B-4 Metric Roller Chain HCFS209 bearing is a 45mmThis 40B23 sprocket is a durable, high quality, and precision sprocket with hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. 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 thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases