Electrical Pitting
Electrical Pitting
Condition
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Cause
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Solution
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- Inner ring of cylindrical roller bearing
- Raceway surface is corrugated by electric pitting
- Rollers of tapered roller bearings
- Electric pitting at middle of rolling contact surfaces
- Magnified (x400) pitting of roller shown in Photo 5
- Nital etchant develops a white layer on the cross section
- Explanation of magnified photo 6