Description

  • False brinelling is a form of fretting wear that occurs between rolling elements and raceways
  • When a bearing is stationary a lubricant film cannot develop between the rolling elements and raceways resulting in metal to metal contact
  • Vibrations lead to wear of the raceways
  • The damage pattern has the appearance of brinelling or denting at roller spacing
  • Close examination reveals wear at roller spacing rather than the original surface texture which is still visible when denting occurs

Causes

Vibration when the bearing is stationary

False brinelling at roller spacing on a tapered roller bearing cone.

False brinelling at roller spacing on a tapered roller bearing cone.

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