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NSK’s Extra-Capacity Sealed-Clean Four Row Taper Roller Bearings offer higher load capacity; provide greater sealing performance; and adopt Super-TF and WTF™ material.

Condition Description

  • Contamination
  • High Load
  • Lubrication

Industries

  • Steel and Metals

Product Features

  • Super-TF or WTF™ steel material.
  • Newly designed bearing internal geometry - wider cage diameter, increased number of rollers & larger rollers.
  • Seals:  New type of lateral seal, new bore seal.
  • Main seal and seal holder are of a more compact design.
  • Special helicoidal groove.

Benefits

  • Higher load capacity due to the newly designed bearing internal geometry and special seal.
  • New type of bore seal prevents the build-up of negative pressure that can cause the entry of water through the main seals.
  • Super-TF steel provides significantly longer service life under heavily contaminated operating conditions.
  • WTF™ steel provides significantly longer service life under water and metallic contamination.
  • Helicoidal groove to prevent creeping on the roll neck shaft.
  • Sealed-clean solution significantly reduces grease consumption.

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