Trailer Wheel Bearings Exploded View and Description

This short video shows the various parts of a bearing commonly found in trailer axles but also in many other applications.
Related video: Trailer Wheel Bearing Install Destroys Hub_Don't Make This Stupid Mistake • Trailer Wheel Bearing ...
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0:00 What does a bearing do?
0:14 Various parts of a bearing: cup, cone, rollers, retainer, inner race, grease seal
3:00 How to assemble a cone bearing