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Ceramic Bearing

Made from high-purity ceramic materials through high-temperature sintering, the rings and rolling elements can be crafted from advanced ceramics such as zirconia (ZrO₂), silicon nitride (Si₃N₄), silicon carbide (SiC), and alumina (Al₂O₃). These materials offer exceptional properties like high-temperature resistance, corrosion resistance, non-magnetic properties, electrical insulation, and self-lubrication—unattainable with metal bearings. Cage options include PEEK, PTFE, or ceramic, adapting to various operating conditions.

Size：Customized on demand

Customize：Can be customized and reverse developed according to drawings and samples.

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Performance characteristics

Ceramic bearings offer high hardness and wear resistance compared to metal bearings. Their ceramic construction provides temperature and corrosion resistance while maintaining non-magnetic and electrically insulating properties. The design incorporates self-lubricating features with polymer cages for stable high-speed operation with reduced vibration. With open designs for maintenance convenience and multiple bore size options, these bearings suit various applications including electronics, chemical processing, automotive, and medical fields.

High hardness & wear resistance Excellent corrosion resistance Low friction coefficient Electrical insulation Oil-free self-lubricationHigh-speed capabilityGood thermal stabilityLow thermal expansion

Technical support

Material customization Cooperate on product designing, performance improving and cost controlling After-sale service and product performance tracking

Optional Materials

Alumina Ceramics ＞ Zirconia Ceramics ＞ Silicon Nitride Ceramics ＞ Silicon Carbide Ceramics ＞

Application Areas

Electronics

Companion's advanced ceramic materials, widely used in electronic engineering as high-temp, corrosion-resistant insulators ensuring stable operation in electronic equipment, continue to enhance its position in the field.

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Automotive & Transportation

Advanced ceramic materials have significant value in automotive and transportation. With superb electrical and high-temp performance, they play a crucial role in sensors, engine components, transmission systems, and autonomous driving.

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Machinery & Equipment

Companion's advanced ceramic manufacturing materials are widely used in mechanical equipment precision processing and manufacturing and can be customized to meet individual customer needs.

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Medical

With the development of the healthcare industry, the prospects for ceramic medical devices are very promising. In particular, ceramic medical devices have been widely used in orthopedics and dentistry.

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Technical Parameters

Companion produces a wide range of customized advanced ceramic materials. Contact us for more detailed technical specifications and application solutions!

Tip: This data is typical of laboratory tests. Actual characteristics of specific production lots may vary.

Submit your request

In order to provide you customized services, please provide a detailed description of the requirements, including the consulting business, product quantity, application fields, delivery details, and any other relevant questions or requests. We will offer a comprehensive product proposal based on your information. We look forward to collaborating with you!