⭐Type CKZ-B is sprag type freewheels, self contained, sealed and bearing supported, using two ball bearings. Unit is delivered oil or grease lubricated according to the type.
⭐The inner race is keyed to the shaft, the outer race has a positive h7 tolerance to give a press fit in housing to H7 and it is screwed to the bond.
⭐This type extensive used in machinery of packing, printing, paper making and so on, to realize backstop or overrunning in dual drives.