Car wheel hub bearing abnormal damage reason

Normal align = left> in the process of maintenance, often find some cars have larger driving noise, check tire no abnormal wear and tear, no sound in the lifting machine rotating wheels. This phenomenon is often formed by abnormal damage of wheel hub bearing, abnormal refers to the formed by device for bearing damage. The car front wheel bearings is a double row ball bearing, bearing if use hammer percussion device in the device, or when the bearing assembly into the bearing seat through pressure bearing inner ring gear, will form a side bearing raceway damage. When the vehicle noise, and when the wheel off the ground because of race a better side, so can't hear the noise significantly. The correct device operation is the key to the bearing short-lived life.