LiftMaster Sprocket Kit, 50B60, 1″ Bore, 3/8″ Key, W/SS | LIF-71-1550B60LKH
This durable kit includes a 50B60 sprocket with a precise 1-inch bore and a 3/8-inch keyway, complete with a set screw (W/SS) for a secure fit. Designed to work with 50 chain systems, this sprocket helps ensure your door operates at the recommended speed and maintains proper torque transmission, extending the life and efficiency of your commercial door operator.







