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NSK's High Capacity Deep Groove Ball Bearings (HR Series) can dramatically improve machine life, through a significant increase dynamic load rating. This life improvement can help reduce maintenance costs.   

Condition Description

  • High Load


  • Chemical and Pharmaceutical
  • Electric Motors
  • Food and Beverage
  • Industrial Pumps and Compressors
  • Petrochemical
  • Power Generation
  • Utilities


  • Higher load ratings ( 7% to 19% increase in dynamic load rating)
  • Optimized internal design
  • Steel cage
  • Larger rolling elements
  • Various sizes available with seals or shield closures 


  • Longer life (22% to 68% increase in ISO L10 life)
  • Interchangeable with the standard Deep Groove Ball Bearings
  • Possibilities of downsizing

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