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

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.