The Problem

When hubs fail, the results can be tragic, and it is not possible to tell when hubs are approaching failure without tearing apart the hub assembly -- something that does not happen as part of routine maintenance.  Here's the problem:

What happens when hubs fail

And the following video presents a more detailed hub design analysis on a large vehicle.

Detailed analysis on commercial-size vehicle

A deeper analysis.  Here's how it really looks.

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