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NSK's High Capacity Deep groove Ball Bearings (HR Series) can dramatically improve the life of your machine, through a significant increase its dynamic load rating compared to standard Deep Groove Ball Bearings. This life improvement can help you achieve your objectives, in terms of reducing maintenance costs.   

Condition Description

  • High Load


  • Electric Motor / Electric Drive
  • Gearbox / Gear Drive
  • Industrial Generators
  • Pump


  • High load ratings ( 7% to 19% increase in dynamic load rating)
  • Optimised internal design
  • Steel cage
  • Bigger rolling elements
  • Some sizes available with closures (shields, seals)


  • 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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