TC series Grease-Free Bearings

Suitable for environments in high temperature and a vacuum where the grease can not be used.
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  1. Operating temperature is up to 572°F, except sealed type.
  2. Smooth rotation by low torque, except 2RS type.
  3. Usable in environments where grease can not be used, by special coating on retainer.

Product Specifications


Standard Specifications
Inner and Outer Rings AISI440C
Balls*1 AISI440C
Retainer AISI304+Special Coating
Shield AISI304
Seal*2 Nitrile rubber
Radial clearance C4

Below special specifications are available besides standard specifications.
*1 Silicon nitride(Si3N4
*2 Fluorine rubber seal



grease_tok_pro2-e▲Click the image to enlarge.


●Vacuum apparatus, LCD and semiconductor manufacturing equipment, film manufacturing equipment, other equipment used in high temperature.