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Cage Damage

Damage Condition Possible Causes Countermeasures
Cage damage includes: Cage deformation, fracture and wear; Fracture of cage pillars; Deformation of side face; Wear of pocket surface; and Wear of guide surface.
  • Poor mounting (Bearing misalignment)
  • Poor handling
  • Large moment load
  • Shock and large vibration
  • Excessive rotation speed, sudden acceleration and deceleration
  • Poor lubrication
  • Temperature rise
  • Check the mounting method
  • Check the temperature, rotation and load conditions
  • Reduce the vibration
  • Select a different cage type
  • Select a different lubrication method and/or lubricant

 

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Cage Damage 1

Part: Cage of a deep groove ball bearing
Symptom: Fracture of pressed-steel cage pocket

Cage Damage 2

Part: Cage of an angular contact ball bearing
Symptom: Pocket pillar Fractures of a cast iron machined cage
Cause: Abnormal load action on cage due to misaligned mounting between inner and outer rings

Cage Damage 3

Part: Cage of an angular contact ball bearing
Symptom: Fracture of machined high-tension brass cage

Cage Damage 4

Part: Cage of a tapered roller bearing
Symptom: Pillar Fractures of pressed-steel cage

Cage Damage 5

Part: Cage of an angular contact ball bearing
Symptom: Pressed-steel cage deformation
Cause: Shock load due to poor handling

Cage Damage 6

Part: Cage of a cylindrical roller bearing
Symptom: Deformation of the side face of machined high-tension brass cage
Cause: Large shock during mounting

Cage Damage 7

Part: Cage of a cylindrical roller bearing
Symptom: Deformation and Wear of machined high-tension brass cage
ACBB

Cage Damage 8

Part: Cage of an angular contact ball bearing
Symptom: Stepped Wear on the outside surface and pocket surface of machined high-tension brass cage

Downloads

Bearing Doctor

Guide to prevention and countermeasures for bearing failures