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      Your current location: Home > Technical center > Q&A > Technical Matters
      Technical Matters

      Case of Damage-Seizure

      2013-08-19
      ?
      Damage mode Causes Solutions

      ● inner ring, outer ring, rolling element and retainer discoloration softening, deposits and breaking due to drastically temperature rises during operation


      ?

      ●?poor lubrication???????
      ● over speed
      ● clearance is too small
      ● intrusion of water and foreign particles
      ● poor precision of shaft and housing ,large deflection of the shaft
      ●?overload
      ●?improve lubrication
      ● select proper bearings
      ●?proper fitting practice, bearing clearance and preload?
      ●improve sealing?
      ●?check the precision of the shaft and housing
      ● improve installation method
      ?

      ● spherical roller bearing inner ring
      ● raceway discoloration and fusion, retainer wear and adherence?
      ● damage due to insufficient lubrication

      ?

      ● spherical roller bearing spherical roller
      ● raceways discoloration and fusion, retainer wear and adherence?
      ● damage due to insufficient lubrication



      ● spherical roller bearing outer ring
      ● raceway? discoloration and grows fusion root of sphere separation distance
      ● damage due to over preload

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