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ROBUST Series of Ultra High-Speed Single Row Cylindrical Roller Bearings for machining centers offer optimized materials and designs developed for high-speed operation with low temperature rise.

Condition Description

  • High Speed
  • High Temperature


  • Automotive
  • Machine Tools

Product Features

  • New SHX heat resistant material for high speed
  • Three design options: RS (Standard bearing steel rings & rollers), RX (Special SHX bearing rings & SHX rollers) & RXH (Special SHX bearing rings & ceramic rollers)
  • Special design outer ring guided PEEK cage


  • High-speed performance: twice that of conventional roller bearings
  • SHX material offers a cost effective solution for high speed opreations
  • NSK offers SHX rollers as an alternative to ceramic rollers
  • Ideally suited for the rear position high-speed main shafts allowing perfect axial thermal displacement of the shaft
  • Low heat generation – enabling longer lubricant life
  • Outer ring temperature rise 30% lower than conventional
  • Longer fatigue life due to special SHX material (up to 4x )
  • PEEK resin cage gives stable bearing rolling movement under high speed operating conditions
N 10 12 RX TP KR CC0 P4
Show Description
NBearing Type
12Bore Number
RXInternal Design Symbol and Material
KRTapered Bore
CC0Radial Clearance


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