Friday, 1 March 2019

What are causes of bearing failure ?

Bearing failure is the most common problem in machinery. There are manny factors that could case bearing failure.


  • Not properly mounting of bearing.
  • Mounting of bearing by heavy striking.
  • Excess clearence of housing with bearing.
  • More interfernce with shaft.
  • Run out in shaft.
  • Oval shaft diameter.
  • Not proper axial clearence of hosing for thermal expension.
  • Wrong type selection of bearing.
  • Not proper lubrication.
  • Dust in bearing housing.
  • Not proper cooling of lubricant.
  • Less amount of lubrication.
  • Overloaded machine operation.
  • Missallignment.

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