Bearings • Ceramic Bearings

Ceramic bearings are generally constructed from ferrous inner and outer rings, filled with ceramic rolling elements instead of steel ones. The rolling elements themselves are typically made from ceramic silicon nitride, which is harder and smoother than most steel bearing balls. The result is a bearing with higher speed and acceleration capability due to lower friction, and greater precision due to increased stiffness. Furthermore, ceramic bearings not only require less lubricant, but exhibit less lubrication degradation and are resistant to oxidation, resulting in longer life.Typical applications include aircraft accessories, semiconductors, food processing machines, dental handpiece turbines, and other machinery that creates high temperatures, friction, or speed.Leading manufacturers: VXB,, Ceramic Bearings, a division of Impact Bearing, Bearing Works, Bearing Kinetics, Performance Bearing, RC Bearings.

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  • Boca Bearing Company

    Boca Bearing offers angular contact full, insert full, self aligning full, and radial full ceramic ball bearings. Angular contact types are excellent for high temperature and high speed applications. Silicon Nitride and Silicon Carbide are typical materials used. Insert full ceramic bearings are also excellent in high temperature situations and can be lubricated with high speed oil.

  • PYC International

    PYC is a manufacturer of various ceramic bearings that offer high and low temperature resistance, and include balls made of full ceramic material with precision from G5 to G200. Flange ball bearing types come in metric and inch sizes. Self aligning ceramic ball bearings come in open and sealed types.

  • Ceramic Bearing

    This is a division of Impact Bearings that manufactures ceramic bearings of various sizes. These products have a high corrosion resistance, high seizure resistance, and high temperature resistance up to 800°C. Their line of ceramic and hybrid products are offered in deep groove and angular contact ball bearings and cylindrical roller bearings.

  • The Timken Company

    Timken Fafnir hybrid ceramic ball bearings are a combination of ceramic rollers and steel rings. This hybrid combination provides performance and cost effectiveness at high spindle speeds. The design of Timken Fafnir hybrid ball bearings helps reduce noise, vibration and operating temperature. Applications include high speed machining, high speed mills, and precision instrumentation.

  • Bearing Works

    BWI provides full ceramic ball bearings. The inner races, outer races and balls are either made of silicon nitride or zirconium oxide. These products have a temperature capacity of 1800 F. Their lightweight feature not only reduces weight but also reduces vibration effects and increases speed.

  • CBR Bearing Company

    CBR Bearing Company offers hybrid and full ceramic ball bearings. Maximum operating temperaturs maximum is 2000 F. CBR sells four types of Ceramic Hybrid Kart Wheel Bearings for front hub and spindle, as well as two types for the rear axle.

  • QBC - Quality Bearings

    QBC offers ball-less and spherical ceramic ball bearings, as well as cam followers. Other products include linear, roller, thrust, sleeve and plastic bearings.

  • Bearing Kinetics

    Bearing Kinetics sells ceramic bearings made of silicon nitride. These products have the normal steel balls replaced by white ceramic balls. The silicon nitride balls are harder, stronger, smoother and lighter than steel ones.

  • Waukesha Bearings Corp.

    Waukesha Bearings™ has been designing and developing ceramic and polymer bearings for more than 30 years. These bearings are ideal for challenging environments such as subsea pumping or electric submersible pumps where equipment reliability and optimized performance are critical.