The most frequently used ball bearing analysis and design computer programs are
based on a quasi-static analysis of the ball dynamics which is fast and
convenient, but involves assumptions that can be poor. The alternatives use a
time-marching dynamic analysis that provides a better representation of the
physics, but is too slow for use as a routine design tool. This article uses
ideas that came from the experimental work to overcome a major assumption in the
quasi-static analysis while allowing analysis of combined load bearings in real
time on a standard PC.
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