Description

  • Abrasive particles lead to wear of the rolling elements, raceways and cage
  • Worn surfaces exhibit a dull, frosty gray appearance
  • Wear steps can often be observed on the roller and flange thrust surfaces and near the edges of rolling paths

Causes

External contamination

Circumferential fracture of a cylindrical outer race.

External contamination led to abrasive wear of these cone – roller assemblies. The rollers exhibit a dull, frosty gray appearance.

Abrasive wear of tapered bearing rollers resulting from contamination

Abrasive wear of tapered bearing rollers resulting from contamination.

Abrasive wear on a tapered bearing cone thrust flange resulting from external contamination

Abrasive wear on a tapered bearing cone thrust flange resulting from external contamination.

A groove worn into a cylindrical roller by a hard particle debris imbedded in the cage

A groove worn into a cylindrical roller by a hard particle debris imbedded in the cage.

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