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, CeramicBearings.net, Ceramic Bearings, a division of Impact Bearing, Bearing Works, Bearing Kinetics, Performance Bearing, RC Bearings.
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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.
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 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.