Silicon carbide sliding bearing sleeves are high-performance ceramic components designed for extreme operating conditions. Manufactured from premium-grade SiC, these sleeves exhibit exceptional hardness, outstanding thermal conductivity, and superior chemical inertness, making them ideal for corrosive, high-temperature, and high-wear environments.

Their low coefficient of thermal expansion ensures dimensional stability across temperature ranges from -200°C to 1650°C. Common applications include pump systems in chemical processing, mechanical seals in refineries, bearings in semiconductor manufacturing, and components in aerospace propulsion systems. Compared to traditional metal sleeves, SiC versions demonstrate 5-8x longer service life in abrasive media while reducing maintenance downtime by up to 60%.

Ceramic bearings find extensive applications across diverse industries, including aviation, aerospace, marine engineering, petroleum, chemical processing, automotive manufacturing, electronic equipment, metallurgy, power generation, textile machinery, pump systems, medical instruments, scientific research, and national defense. As high-tech products utilizing advanced materials, they represent cutting-edge technological solutions for demanding operational environments.

• Higher temperature tolerance: ceramic materials maintain mechanical properties at high temperatures
• Better performance with temperature changes: smaller thermal expansion coefficient reduces clearance variation
• Improved anti-bite and anti-stuck performance: reduced thermal deformation enhances performance
• Oil-free operation possible: self-lubricating characteristics enable use in high vacuum environments
• Resistant to acid, alkali and salt corrosion: suitable for chemical processing applications
• Electrical insulation: non-conductive with no static electricity generation
• Non-magnetic properties: prevents magnetic particle adhesion in magnetic environments

We have three factories in China to meet different customer needs, equipped with advanced pressing, sintering and processing machines. Our company (ZXSQ and CSQ brands) holds eleven invention patents for utility models and maintains a professional team of dozens of members to provide high-quality customized bearing products.

Since 1982, we have accumulated over 40 years of experience in ceramic bearing material research and development, continuously improving our processing techniques and equipment. Through evolution and transformation, we have become a leading enterprise in China's ceramic bearing and material products market.

We specialize in both external and internal gear pump sliding bearings in silicon carbide material, with extensive experience supplying SSiC sliding bearings to international clients including Germany's Witte.

• Free sample bearings available
• ISO standard compliant
• In-stock bearing options
• Small order quantities accepted
• OEM bearing services
• Customized bearing solutions based on drawings or samples
• Competitive factory pricing

We maintain partnerships with raw material suppliers to ensure consistent quality and stable pricing unaffected by international market fluctuations. When necessary, we can produce raw materials ourselves using proprietary technology.

Customer-focused and dedicated to quality, we strive to create value through excellent products and services. We welcome the opportunity to discuss potential cooperation!