Typical Running Traces of Deep Groove Ball Bearings
(a) shows the most common running trace generated when the inner ring rotates under a radial load only. (e) through (h) show different running traces that result in a shortened life due to their adverse effect on bearings
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(a)
Inner ring rotation Radial load
(b)
Outer ring rotation Radial load
(c)
Inner ring or outer ring rotation Axial load in one direction
(d)
Inner ring rotation Radial and axial loads
(e)
Inner ring rotation Axial load and misalignment
(f)
Inner ring rotation Moment load (Misalignment)
(g)
Inner ring rotation Housing bore is oval
(h)
Inner ring rotation No radial internal clearance (Negative operating clearance)