Wheel bearings are engineered to bear the weight of the vehicle and allow easy rotation of the wheels. Failing wheel bearings can cause a "rumbling" noise while turning and while driving at speeds greater than 15 miles an hour.

Earlier designs were of two separate bearings per wheel (inner and outer), lubricant (grease), and a seal. These bearings required service—known as "re-packing"—and a specialized adjustment procedure.

Most modern vehicles use bearings that are one piece, pre-assembled, and permanently-sealed. These bearings can neither be inspected nor repaired; replacement of the entire pre-assembled bearing is the only service option.

Wheel Bearings use a special, high temperature grease that is specially designed to withstand high temperatures. A wheel bearing seal is used to keep the grease from leaking out of the wheel bearing, and keep dirt from entering the wheel bearings.

Types of Wheel Bearings

Tapered Wheel Bearing Set - Front

Tapered Wheel Bearing Set - Rear

Sealed Wheel Bearing

Wheel Bearing Hub Assembly

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