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Hybrid Ceramic Bearing Factory

Ningbo NBVO Seiko Bearing Co., Ltd. Home / Product / Hybrid Ceramic Bearing

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  • Hybrid Ceramic Bearing

    Hybrid Ceramic Bearings represent an innovative evolution in bearing technology, merging the advantages of traditional steel bearings with the properties of ceramic materials. These bearings feature ceramic rolling elements, typically made from materials like silicon nitride, while the inner and outer rings are typically constructed from conventional steel.
    The incorporation of ceramic rolling elements provides several key benefits. Firstly, ceramics have a higher hardness and lower density compared to steel, resulting in reduced friction and improved wear resistance. This characteristic contributes to lower operating temperatures and enhanced durability, making hybrid ceramic bearings particularly well-suited for high-speed applications where heat generation and wear are critical factors.
    The combination of ceramic balls with steel rings also offers advantages in terms of weight reduction, contributing to overall system efficiency. Furthermore, ceramic materials exhibit resistance to corrosion and are less susceptible to the effects of harsh environments, extending the lifespan of the bearing and minimizing maintenance requirements.
    Hybrid Ceramic Bearings find applications in diverse industries, including aerospace, automotive, and industrial machinery, where the demand for increased performance, reliability, and longevity is paramount. While these bearings may command a higher initial cost, their long-term benefits in terms of reduced friction, extended service life, and improved efficiency make them a preferred choice for critical and demanding applications.
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About Us

Ningbo NBVO Seiko Bearing Co., Ltd. is a professional OEM Hybrid Ceramic Bearing Manufacturer and ODM Hybrid Ceramic Bearing Supplier, , was founded in 2013 and specializes in high precision and low noise deep groove ball bearings. Our factory is equipped with modern production and measurement equipment, with a quality management system in conformity with the requirements of ISO 9001:2015, ISO 14001:2015, TUV IATF 16949:2016, ROHS, and REACH standards. The skilled employees and the modern high-precision equipment allow the factory to release grade 6 and above bearings with accuracy. The noise level of stainless steel bearings can reach ZV3 and chrome steel bearings can reach ZV4.

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  • REACH Test Reports
  • ROHS Test Report
  • IATF16949-2016
  • Environmental Management System Certificate

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Industry Knowledge Extension

A hybrid ceramic bearing is a type of bearing that combines steel rings with ceramic rolling elements (balls or rollers).
Are hybrid ceramic bearings suitable for applications with higher operating temperatures?
Hybrid ceramic bearings are very suitable for applications with high operating temperatures. Ceramic materials themselves have excellent high-temperature resistance, which enables hybrid ceramic bearings to maintain stable performance in high-temperature environments. Specifically, the thermal expansion coefficient of ceramic balls is relatively small, and even at high temperatures, it will not cause the bearing balls to expand due to temperature changes, thereby greatly increasing the operating temperature of the entire bearing.
In fact, the working temperature of hybrid ceramic bearings is much higher than that of ordinary bearings. The working temperature of ordinary bearings is generally around 160 degrees, while the working temperature of hybrid ceramic bearings can reach 220 degrees or even higher. This characteristic makes hybrid ceramic bearings perform well in industrial applications that require high temperature resistance, such as metallurgy, glass manufacturing, heat treatment, and other fields.
In addition, hybrid ceramic bearings also have other advantages such as low friction coefficient, strong wear resistance, and strong corrosion resistance, further enhancing their applicability and reliability in high-temperature environments. Therefore, for applications with high operating temperatures, hybrid ceramic bearings are an ideal choice.

Are hybrid ceramic bearings suitable for use in harsh environments?
Hybrid ceramic bearings are very suitable for use in harsh environments. It is particularly suitable for working conditions with poor lubrication and severe pollution. The ring material of this type of bearing is bearing steel, and the rolling element is silicon nitride ceramic. Silicon nitride has characteristics such as high hardness, high elastic modulus, high temperature resistance, and chemical corrosion resistance.
In harsh environments, hybrid ceramic bearings can form effective insulation and perform well in AC/DC motors and generators. Although hybrid ceramic bearings need to withstand higher contact stresses in harsh environments, their failure probability does not significantly increase within known operating times.
In addition, the lifespan of hybrid ceramic bearings is often longer than that of ordinary bearings, thanks to the improvement of ceramic ball quality and the improvement of hot pressing sintering process in the manufacturing process. The improvement of rolling contact fatigue resistance, as well as the improvement of hot pressing sintering process and the continuous reduction of porosity and surface defects in the manufacturing process, have all extended the fatigue life of hybrid ceramic bearings.
Therefore, hybrid ceramic bearings have excellent durability and reliability in harsh environments, and can meet various harsh working conditions.

Can using hybrid ceramic bearings reduce maintenance?
The use of hybrid ceramic bearings can indeed reduce maintenance. Hybrid ceramic bearings have various advantages, such as low friction coefficient, strong wear resistance, strong corrosion resistance, high temperature resistance, etc. These characteristics enable them to perform well in various harsh environments.
Firstly, the low friction coefficient and wear resistance of hybrid ceramic bearings mean that their service life is relatively long, reducing the frequency of bearing replacement due to wear.
Secondly, the corrosion and high temperature resistance of hybrid ceramic bearings enable them to operate stably in various harsh environments, reducing failures and maintenance needs caused by environmental factors.
In addition, hybrid ceramic bearings have high precision and can meet the needs of high-speed and high-precision, which further improves their stability and reliability in operation and reduces maintenance needs.
However, although hybrid ceramic bearings can reduce maintenance, it does not mean that maintenance is completely unnecessary. During use, it is still necessary to regularly check the condition of the bearings to ensure their normal operation. Meanwhile, the correct installation and usage methods are also crucial to ensuring the long-term stable operation of hybrid ceramic bearings.