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Extra-Capacity Sealed-Clean Four Row Taper Roller Bearings offer higher load capacity with greater sealing performance while utilizing the Super-TF and WTF™ material.

Condition Description

  • Contamination
  • High Load
  • Lubrication


  • Steel Machinery


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


  • Higher load capacity due to the newly designed bearing internal geometry and special seal
  • Bore seal prevents  build-up of negative pressure that can cause ingress 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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