Bearing damage chart
The types of bearing damage that are presented in this chart show typical appearances with a short description.
Depressions in the raceway. The bottom of the depressions may be bright or dull and oxidised (fig 3)
Greyish black streaks across the raceways, mostly coinciding with the rolling element spacing (fig 22)
Greyish black streaks across the raceways, mostly coinciding with the rolling element spacing (fig 23)
Flaking or heavily marked path patterns at two diametrically opposed sections of outer ring or inner ring (fig 33)
Flaking in the raceway of either the inner or outer ring. Corroded area at corresponding part of the inner bore or outside surface. (fig 43)