The most advanced Roller Guides, representing the culmination of NSK’s analysis technology and tribology research. With a complete line-up featuring high-load capacity and high rigidity, the RA Series meets the needs of a wide range of applications.

Condition Description


  • Automotive
  • Medical and Health Care
  • Packaging
  • Print

Product Features

  • Specifically designed retaining pieces reducing vibrations generated by roller passage substantially.
  • Full product line, from small and large options to low Profile units.
  • Dimensions based on global standards allowing replacement without altering equipment design.
  • Super high load capacity
  • Super high rigidity
  • High accuracy
  • Long operating life
  • High dust resistance
  • K1 lubrication unit for maintenance free operation


  • Long operating life
  • High load capacity
  • Maintenance free
  • Highly dust-resistant
  • Optimum size of the roller used as a rolling element ensures high rigidity and support more compact machinery
  • Vibrations generated by roller passage are substantially reduced
  • Highest stiffness values


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