NTN-SNR® [KIZEI]® ISO spherical roller bearings are equipped with metallic shields, making them a unique innovation in the heavy-duty industrial bearing market. ULTAGE® [KIZEI]® bearings offer premium-quality robustness, high load rating and speeds, with a long service life ensured.


  • Unique metal shields offer excellent protection against external solid contamination such as dust and dirt.
  • Maximises shock resistance against vibration and deflections.
  • Provides improved grease retention.
  • ISO dimensions make it easier to replace your existing open spherical roller bearings.
  • ULTAGE® load ratings and speeds satisfy stringent quality requirements.
  • Improves machine reliability with long service life.
  • Wide operating temperature range: -20oC to +200oC.
  • Dedicated holes and groove on outer ring enables easy initial lubrication and relubrication processes.
  • Resists corrosion effectively.
  • Simple to mount, with no special tool required.


This product features in First For Bearings Issue 2, focusing on the Aggregates sector.



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For more information on this product, contact your local Hayley Group branch.