Industrial Ceramic Sliding Bearing for Harsh Environments
Customized Silicon Carbide Sliding Bearing Sleeve designed specifically for pump applications. Ceramic sliding bearings represent advanced bearing technology used across industrial, automotive, and aerospace sectors. Constructed from premium ceramic materials including silicon nitride, silicon carbide, and zirconia, these bearings deliver superior performance compared to traditional steel bearings.

Key Advantages
1.Corrosion Resistance: Highly resistant to harsh chemicals and environments, making them ideal for chemical processing and marine applications
2.Reduced Friction: Smoother, harder surfaces minimize friction and wear, significantly extending component lifespan
3.High Temperature Tolerance: Maintains structural integrity in extreme heat conditions up to 1650℃ Applications Widely utilized in aviation, aerospace, navigation, petroleum, chemical processing, automotive, electronics, metallurgy, power generation, textiles, pumps, medical equipment, and defense applications.

Ceramic vs Steel Bearing Advantages
- Superior high temperature performance with stable mechanical properties
- Better performance during temperature fluctuations due to lower thermal expansion
- Improved anti-bite and anti-stuck performance characteristics
- Can operate without lubrication thanks to self-lubricating properties
- Resistant to acid, alkali and salt corrosion
- Electrical insulation and no static electricity generation
- Non-magnetic properties prevent abrasive particle adhesion
Material Properties
| Property | Value |
| Density | 3.15-3.18g/cm³ |
| Thermal Expansion | 4.0 (10-6/℃) |
| Thermal Conductivity | 120 W/m°K |
| Hardness | 2800 HV5 |
| Elastic Modulus | 2800 HV5 |
| Elastic Modulus | 410GPa |
| Chemical Stability | Superior resistance to acid/alkali corrosion (including hydrofluoric acid) |
Silion Carbide Ceramic Material Basis Capability List
| 项目 | Items | 单位 Unit | SSiC |
| 密度d | Density | g/cm | 3.10-3. |
| 硬度Hv | Hardness Hv1 | Kg/mm2 | >2550 |
| 弹性模量E | Young’s Modulus | GPa | 410 |
| 抗弯强度RT | Bending Strength | MPa | 400-49 |
| 抗压强度 | Compressive Strength | MPa | >2500 |
| 断裂韧性KIC | Fracture Toughness | MPam -/2 | 4-5 |
| 泊松比 | Posisson’ s Ration |
| 0.16 |
| 热膨胀系a | Coefficient of Lnear Expansion | 10-6/k | 4.0 |
| 品粒度 | Crystal Size | μm | <5 |
| 气孔率 |
|
| <3% |
| 烧结方式:常压烧结 S-Sic Pressureless Sintering |
Why Choose Us
Professional Team
With our company logos ZXSQ and CSQ, we possess eleven invention patents for utility models. Our high-quality professional team provides customized bearing products according to customer requirements.
Since 1982, we have accumulated over 40 years of experience in ceramic bearing research, development, and production, becoming a leading enterprise in China's ceramic bearing market.
Strength Factory
We operate a fully automatic grinding and assembling production line with an annual output of 3 million sets of P5 and P4 precision level bearings. Our equipment includes a hot isostatic sintering furnace (HIP) imported from ABB Sweden, capable of reaching temperatures over 2000℃.
Master Raw Material Production Technology
We cooperate with raw material suppliers and maintain production technology to ensure product quality stability unaffected by international price fluctuations.

Frequently Asked Questions
Who are we?
We are a factory in Beijing, China with over 40 years of experience producing ceramic bearings, having established cooperative relations with many domestic and foreign companies.
How can we guarantee quality?
We produce samples before mass production, inspect products with precision equipment, and use double packaging (foam and carton) to ensure product quality.
What can you buy from us?
Ceramic deep groove ball bearings, ceramic angular contact ball bearings, hybrid ceramic ball bearings, ceramic linear bearings, and various ceramic balls.
Why should you buy from us not from other suppliers?
We are an industry and trade integrated company with three factories, modern production and inspection equipment, offering better delivery dates and product quality.
What service can we provide?
We provide high quality products, customized services, and samples for customer confirmation.