Wheel bearings are located on the axles of a vehicle and support the weight of the vehicle and its passengers. They are typically made of a series of ball bearings that are held in place by a race. Wheel bearings are designed to rotate with the axle, and they are lubricated with a grease that helps to reduce friction.

Wheel bearings and hub bearings are both essential components of a vehicle's suspension system. It is important to keep them in good condition to ensure the safety and performance of your vehicle.

Hub bearings are located in the center of the wheels and support the hub assembly. The hub assembly includes the wheel, the brake rotor, and the axle. Hub bearings are typically made of a single-row ball bearing or a tapered roller bearing. Hub bearings are not designed to rotate with the wheel, and they are lubricated with a grease or oil that helps to reduce friction.

Wheel bearings and hub bearings are two essential components of a vehicle's suspension system. They help to keep the wheels rotating smoothly and prevent them from wobbling. However, there are some key differences between the two types of bearings.

Location: Wheel bearings are located on the axles of a vehicle, while hub bearings are located in the center of the wheels. Rotation: Wheel bearings rotate with the axle, while hub bearings do not rotate. Lubrication: Wheel bearings are lubricated with a grease, while hub bearings are lubricated with a grease or oil. Durability: Wheel bearings are typically less durable than hub bearings because they are subjected to more wear and tear.

Wheel bearings and hub bearings should be replaced when they are worn out. Worn-out bearings can cause the wheels to wobble, which can lead to a loss of control of the vehicle. Additionally, worn-out bearings can make a loud noise when the vehicle is in motion. The following are some signs that your wheel bearings or hub bearings may need to be replaced:

The wheels are wobbling. The vehicle makes a loud noise when it is in motion. The vehicle pulls to one side when you are driving. The vehicle is difficult to steer.