In addition to inner and outer ring materials, various materials are prepared for each component of the bearing. Optimum bearings can be manufactured by combining materials according to the application.


  1. Inner and Outer Rings/SAE 52100 (heat-stabilization available)
    AISI 440C (heat-stabilization available)
    AISI 304, AISI 316L, AISI 630, Titanium, Hastelloy-equivalent material, Ceramics, Resins
    ※Please contact us for the other special materials for inner and outer rings.
  2. Ball/SAE 52100, AISI 440C, AISI 304, Ceramic, Special coating
  3. Retainer/SPCC, S55C, AISI 304, Special coating, Polyamide resin, Fluorine resin, Solid lubricant
  4. Shield/SECC, AISI 304
  5. Seal/Nitrile rubber, Acrylic rubber, Fluorine rubber, Fluorine resin

Lubricant/Chemical resistant grease, Heat resistant grease, Food grade grease, Clean room grease, Vacuum environment grease, Other special environment grease