M X 3" QD Bushing Metric Roller Chain Master Links This 80BS44 sprocket features a

This 80BS44 sprocket features a 2" finished bore including a key-way and two setscrews

UCFCS212-38 bearing is a 2-3/8" bore four-bolt normal-duty flange bearing that utilizes set screws to secure to a 2-3/8" shaft and has an inch based housing

This 60BS16 sprocket featured a 7/8" finished bore with a key-way and two set screws

HCFS206 Bearing Dimensions

M X 3" QD Bushing Metric Roller Chain Master Links This 80BS44 sprocket features aThis M bushing with a 3" bore is a high quality, extremely durable, and high precision product that is manufactured out of solid steel. What really sets these M QD type bushings apart is the extensive quality control procedure that is done to ensure you receive a consistent and premium product. M bushings are found in a wide range of applications and are most commonly used with sprockets, pulleys, sheaves, and more! What sets USA Roller Chain &