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NSK's Sealed Angular Contact Ball Bearings ensure that the bearings are in the best possible condition, free of contamination, before and during operation while providing high level machining performance.

Condition Description

  • Contamination
  • Lubrication


  • Machine Tools


  • Non-contact seals.


  • Time saving: Bearing mounting time 4 x faster & contamination through poor handling eliminated
  • Non-contact seals provide valuable protection; reducing raceway and ball surface wear, noise and vibration, lubricant breakdown.
  • No speed reduction due to non-contact seals.
  • Improved spindle performance.
    • Operates between horizontal and vertical positions.
    • Sealed bearings prevent grease migration in vertical spindles, promote temperature stability and provide higher accuracy machining.
  • Longer grease life: extended by 50% with sealed bearings.
  • Non-contact seals keep grease in the optimum position, reducing loss and grease drying from airflow.
  • Energy saving.
  • Interchangeable with open angular contact ball bearings.

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