M X 4-1/4" QD Bushing #60-2 R-Type Sprockets and precision 80 tooth sprocket

and precision 80 tooth sprocket that is manufactured to accept a S2 bushing

Unlike other 60 chain breakers on the market

Limiting Speed (Grease): 4000 RPM

Dimension (B): 9/16"

160R17H sprockets are bored to accept a R1 type taper bushing

M X 4-1/4" QD Bushing #60-2 R-Type Sprockets and precision 80 tooth sprocketThis M bushing with a 4 1 4" 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 &