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What are the wheel bearings?

Release time:

2024-05-13

This article explains what we commonly refer to as wheel bearings,it is the first generation wheel bearings.

Usually what we call wheel bearings refers to the first generation of wheel hub bearings,they are double-row angular contact ball bearings and double row tapered roller bearings with back-to-back duplex outer rings.
Compared with ordinary single row deep groove ball bearings and single row tapered roller bearings, the first generation wheel hub bearings have many advantages:

Easier and more reliable preload setting
Shorter distance between effective load centers
Easy mounting process
No spacer adjustment required
No grease packing required
No operations required to press seals into hub units

Wheel bearings have became one of those components that are now so reliable, We often think of the job of a wheel bearing to be that of just rotating until it wears out (About 50 million times over the course of 100,000km) but we should remember they have to deal with many forces of axial and radial loads such as acceleration, braking, cornering and gravity to name a few. Not to mention the environmental factors such as brake dust, heat and road grime.
Therefore, we must provide high-quality automotive wheel bearings, and replace and maintain these bearings in a timely manner.