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NSK’s WTF (Water-Tough) Bearings have been developed using advanced technologies such as ultrahigh clean-material technology for bearing material and using NSK’s proprietary heat-treatment technology.

Condition Description

  • Contamination
  • High Load

Industries

  • Steel and Metals

Product Features

  • Steel material technology.
  • Special NSK heat-treatment technology.
  • Optimum chemical component design technology.
  • Available for four-row cylindrical and four-row taper roller bearings.

Benefits

  • Bearing life is 3 times longer than that of conventional bearing.
  • Relatively free from non-metallic inclusions on raceway surface.  Therefore, generation of cracks is inhibited.
  • Grain boundaries have been strengthened to help prevent the propagation of cracks.
  • Prevent further propagation of corrosion fatigue cracks due to water infiltration.

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