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Care and Maintenance of Bearings
Cracking Home >> Technical Support >> Care and Maintenance of Bearings
Condition Cause Solution
Splits, and cracks in bearing rings and, rolling elements. Excessive load Excessive impacts Overheating by creeping and rapid cooling Very loose fit Largo flaking
  1. Examination and improvement of cause of very large load
  2. Prevention of creep
  3. Correction of fit
    Photo 3
  • Inner ring of spherical roller bearing
  • Split of raceway surface in the axial direction
  • The cause is excessive interference fit.
  • Fracture of inner ring shown in Photo 3
  • Originating point is observed at the middle of the left raceway surface.

  • Outer ring of four-row cylindrical roller bearing
  • Split of raceway surface in the circumferential direction, originated from large flaking.
  • The cause is large flaking.
  • Outer ring of angular contact ball bearing
  • Split of raceway surface in the circumferential direction
  • The cause is slipping of balls due to poor lubrication.

Bearing Failures and Solutions index BACK NEXT
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