Customized Ceramic Sliding Bearing Sleeve in High Temperature Applications
High Temperature Ceramic Bearing Manufacturers - Silicon Carbide (SSiC) Sleeve
Ceramic sliding bearings are precision-engineered from high-performance materials like silicon nitride (Si3N4), silicon carbide (SiC), and zirconia (ZrO2), offering superior durability and reliability compared to traditional steel bearings. Designed for industrial, automotive, and aerospace applications, these bearings excel in corrosive, high-temperature, and high-wear environments.
Key Advantages
- Extreme Corrosion Resistance - Withstands harsh chemicals, acids, and marine environments, ideal for chemical processing, pumps, and offshore equipment.
- Ultra-Low Friction & Wear - Smoother, harder ceramic surfaces minimize friction, reducing energy loss and extending bearing lifespan by 5-10X over metal alternatives.
- High-Temperature Stability - Operates reliably up to 1,400°C, perfect for turbines, engines, and industrial furnaces.
- Lightweight & Non-Magnetic - Reduces rotational inertia and eliminates magnetic interference, critical for aerospace and medical devices.
Applications
Ceramic bearings can be widely used in aviation, aerospace, navigation, petroleum, chemical, automotive, electronic equipment, metallurgy, electric power, textile, pump, medical instruments, scientific research and national defense and other fields, is the application of new materials of high-tech products.
Properties
| Property |
Value |
| Max Temperature |
Up to 1650℃ |
| Density |
3.15-3.18 g/cm³ |
| Thermal Expansion |
4.0 (10-6/℃) |
| Thermal Conductivity |
120 W/m°K |
| Hardness |
2800 HV5 |
| Elastic Modulus |
410 GPa |
| Chemical Stability |
Superior resistance to acid and alkali corrosion (including hydrofluoric acid) |
Advantages of All-Ceramic Bearings Compared with Steel Bearings
- Higher temperature capability: ceramic materials maintain mechanical properties at high temperatures
- Better performance with temperature fluctuations: smaller thermal expansion coefficient reduces clearance changes
- 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: ideal for magnetic environments where particle adhesion must be minimized
Our Manufacturing Capabilities
We have three factories in China, equipped with advanced pressing, sintering and processing machines to meet diverse customer requirements. Our company (brands ZXSQ and CSQ) holds eleven invention patents and maintains a professional team dedicated to producing high-quality ceramic bearing products.
With over 40 years of experience since 1982, we have evolved into a leading Chinese manufacturer of ceramic bearings and materials. We have extensive experience producing silicon carbide sliding bearings for gear pumps, including supplies to Germany's Witte for many years.
Our Bearing Advantages
- Free samples available
- ISO standard compliant
- Inventory available for quick shipment
- Small orders accepted
- OEM services
- Customization based on drawings or samples
- Competitive pricing
Frequently Asked Questions
Q: Who are we?
A: We are a factory in Beijing, China with over 40 years of ceramic bearing production experience, maintaining cooperative relationships with domestic and international companies.
Q: How do we guarantee quality?
A: We follow strict production protocols, conduct precise inspections, and use double-layer packaging (foam + carton) to ensure product quality.
Q: What products do we offer?
A: Ceramic deep groove ball bearings, angular contact bearings, hybrid bearings, linear bearings, and various ceramic balls.
Q: Why choose us?
A: We combine manufacturing and trading with three factories, modern equipment, and can provide better delivery times and product quality.
Q: What services do we provide?
A: We offer high-quality products, full customization, and sample confirmation services tailored to customer needs.
Welcome Your Enquiry
We maintain stable raw material supplies and production technology to ensure consistent quality and pricing. Customer-focused with quality products and after-sales service, we aim to create value as your reliable partner. Contact us to discuss cooperation opportunities!
