Introduction to bearings electricity eclipse

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Damage state: so-called galvanic corrosion current Road wheel and the flow of the contact portion of the rolling body in the circulation to weight bearing roller, sparking through a thin lubricant film, its surface appears locally to melt and bump phenomenon.thrust roller bearings
Due to poor ground potential: the outer ring and the inner ring.
Measures: when the setting circuit, the current either flows through the bearing portion. Pair of bearings for insulation.china bearing