The cause of abnormal damage to the hub bearing

During the maintenance process, it is often found that some vehicles have large running noise, and the tires are checked for no abnormal wear, and there is no obvious abnormal sound when the wheels are turned on the lift.

This phenomenon is often caused by abnormal damage of the hub bearing. The so-called abnormality refers to the bearing damage caused by the installation.

The front wheel bearing of a car is generally a double row ball bearing. If the hammer is used for the installation when the bearing is installed, or when the bearing is installed into the bearing housing, the inner ring of the bearing is installed by the pressure bearing inner ring. damage. Noise is generated when the vehicle is running, and no significant noise is heard when the wheel is off the ground due to the better side of the raceway. Proper installation is the key to long bearing life