Needle Roller Bearing Is there a hybrid ring

Left hand holding the bearing sleeve body, right hand toggle coat a small margin to rotate back and forth, listening to the bearings during operation if there is mixed response. inch bearing Most counterfeit products due to production conditions of backwardness, completely hand-mill operation, bearing the body in the production process will inevitably be braced with dust, sand a class of impurities, so that the rotation of the bearing ring or when there will be hybrid phenomenon does not run smoothly . This is to slewing bearing determine whether a product comes from a strict production standards, and the key with the regular operation of the machine manufacturer's brand products.