CKZ type is a wedge type overrunning clutch with two sets of bearing support. It is applicable to the limit speed of 600-1500r/min, and the common nominal torque is 180-8000n m. * * * large torque has produced 70000n M. It is commonly used in packaging machines, hoisting and transportation machinery, metallurgical machinery, mining machinery, petroleum machinery, chemical machinery, cement machinery, power stations, etc., also known as backstop.