Products

High-performance Silicon Nitride Ceramic Balls deliver exceptional mechanical strength, lightweight durability, and thermal stability for precision engineering applications. These Silicon Nitride Ceramic Balls feature ultra-low friction, high wear resistance, and non-magnetic insulation, ideal for high-speed bearings, motors, aerospace components, and chemical equipment. Resistant to corrosion, oxidation, and extreme temperatures, Silicon Nitride Ceramic Balls extend service life under harsh dynamic loads compared to steel balls. Available in G3–G10 precision grades, polished surface ensures smooth rotation, reduces noise, and improves energy efficiency. Widely used in automotive, electronics, medical instruments, and industrial high-speed machinery.

In the development and application of engineering ceramic products, ceramic ball bearings stand out as a typical example of the widespread industrial application of engineering ceramics, attracting great attention from many countries. In high-speed precision bearings, hybrid ceramic ball bearings are the most widely used type—their rolling elements are hot-pressed silicon nitride (Si₃N₄) ceramic balls, while the bearing rings remain made of steel. These bearings feature a high degree of standardization, require minimal modifications to machine tool structures, and facilitate easy maintenance, making them particularly suitable for high-speed operation scenarios. High-speed electric spindles assembled with such bearings offer advantages including high rotational speed, high rigidity, high power output, and long service life.

Silicon nitride ceramic balls exhibit high temperature resistance, corrosion resistance, wear resistance, and unique electrical properties. Currently, silicon nitride ceramics are regarded as one of the most promising high-temperature structural ceramic materials. As a precision ceramic sintered at high temperatures in a non-oxidizing atmosphere, silicon nitride ceramic balls are resistant to acids and alkalis and suitable for long-term service in seawater. Additionally, they possess excellent electrical and magnetic insulation properties.

  Micro ceramic bearing balls for electronic devices are core precision components adapted to micro bearings, featuring "small size, high performance, and high reliability". They are specifically designed for electronic devices such as mobile phones, drones, micro motors, and sensors. 

Our Anti-Corrosion Ceramic Bearing Balls for Food Processing Machinery are engineered to address the unique challenges of food production—delivering food-grade safety, extreme resistance to corrosive food fluids, and compliance with strict hygiene standards for the critical bearings in mixers, conveyors, fillers, and slicers.

The zirconia bearing ball is lighter than the steel ball, reducing the rolling and wear of the channel, the hardness is higher than the steel ball, the surface is smoother than the steel ball, the friction coefficient is smaller, the coefficient of thermal expansion is one quarter of the steel ball, can withstand large temperature changes, the steel ball will rust, but also need to add lubricating oil, but the zirconia ball will not rust, do not need to add lubricating oil when working, So now the slide rail and ceramic bearings are mostly used zirconia balls

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BZS Zirconia Ceramic balls are particularly versatile and most widely usage. They are suitable for high and very high speeds, accommodate radial and axial loads in both directions and require little maintenance. And we can offer neutral and customized services. So our customers say our bearings are high quality and reasonable price.

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BTS has the most comprehensive chrome steel ball production lines. We use high quality vacuum degassed steel and adopt world-class technology. With its high quality on surface, high hardness and heavy load, our high precision products have met the requirements of world-famous customers. The balls have been applied into precision Motor bearings, precision machinery, rolling screws, and so on.

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BNS Ceramic Ball bearings made of silicon nitride, silicon carbide, zirconia oxide and alumina oxide are kept in our stock series. They are advantageous in having a longer service life, lower friction resistance, higher seizure resistance, higher corrosion resistance, higher rigidity, higher temperature resistance ( up to 800C) lightweight (40% of bearing steel), non magnetic, and insulated. They can be used even in an extra high – vacuum environment.

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BAS Alumina ceramic ball High-tempered bearing balls, low temp,electric insulation, valve balls for acid, alkali, salt,measure pumps, flow meter and valve ball plunger for deep well pump,resistant to strong acid, strong alkali,salt and gas of deleterious, long life, high hardness, resistant to wear,resistant to high temp up to 1400℃, high electric insulation 300KV. Advantage：High strength; High hardness; High wear resistance; Large specific gravity; High temperature resistance; High corrosion resistance. Al2O3 Ceramic Bearing ball is anti-wear, heat-resistant, anti- oxidant, and corrosion resistant, in salt solution and other chemicals. Al2O3 ball is mainly used for pump, valve and flow-meter.