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

      Case of Damage-Scratch

      2013-08-19

      Damage mode Causes? Solutions
      ● by scratch, it means surface damage caused by collection of tiny burns resulting from skidding and oil film hot breaking on the raceway or rolling path
      ● produce rough surface with hot sticking?
      ● high-speed light load
      ● acceleration and deceleration
      ● impropriate lubricant
      ● water ingress?
      ● improve preload?
      ● improve bearing clearance
      ● use lubricant with good oil film property
      ● improve lubricating method
      ● improve seal

      ● inner ring of cylinder roller bearing
      ● scratch at the circumferential direction of the roller path?
      ● cause: excessive lubricant leads to roller skidding

      ● spherical roller bearing inner ring
      ● scratch at the circumferential direction of roller path?
      ● caused by poor lubrication

      ● spherical roller bearing spherical roller
      ● scratch at the center of rolling surface
      ● caused by poor lubrication
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