Shandong Juyuan Bearing Co., Ltd
Focused on manufacturing high-performance ceramic bearings for over ten years
As an innovative practitioner in the field of ceramic bearing technology in China, Shandong Juyuan Bearing Co., Ltd. is deeply engaged in the research and development of high-end equipment core components, providing ceramic wheel bearing solutions with excellent reliability for the global industrial and automotive fields. Relying on mature material engineering technology and precision manufacturing system, our product is centered around silicon nitride (Si ∝ N ₄) ceramic rolling elements, effectively solving the performance bottleneck of traditional steel bearings in high temperature, corrosion, and high-speed scenarios.
Core Technological Advantages
1. High temperature stability
By using ceramic materials with a thermal expansion coefficient of only 1/4 of steel, the bearing can maintain a dimensional deviation of ≤ 0.02mm even in extreme high temperature environments of 1900 ° C, reducing the risk of thermal deformation by 40% compared to steel bearings. Suitable for high heat load scenarios such as new energy vehicle motor shafts and engineering machinery braking systems, ensuring continuous operation accuracy of equipment.
2. Anti corrosion design for all environments
The non-metallic ceramic matrix naturally resists chemical erosion such as salt spray and acid alkali, and has passed 1000 hours of NSS neutral salt spray testing without corrosion. It can achieve a service life three times that of steel bearings in coastal port machinery and chemical equipment without additional surface treatment, reducing maintenance costs by more than 30% throughout the entire cycle.
3. Low friction and high efficiency
The surface roughness of precision machined ceramic rolling elements is controlled at Ra ≤ 0.05 μ m, and with optimized raceway geometry design, the bearing friction torque is reduced by 50% compared to traditional products. Actual test data shows that applying it to commercial wheels can improve fuel efficiency by 6-8%, while using it in electric vehicles significantly reduces motor energy consumption and temperature rise (operating temperature reduced by 25 ° C).
4. High speed load adaptability
With a lightweight characteristic of only 40% density compared to steel and a higher stiffness ratio, the bearing's ultimate speed is increased by 25% compared to steel products, and its dynamic load capacity reaches 180kN (typical specification), meeting the strict requirements for speed and stability in high-speed trains, aviation ground equipment, and other applications.
Manufacturer's core competitiveness
- The entire process is independently controllable: from ceramic raw material synthesis to finished product testing, the entire production process is completed in a 100000 level clean workshop, certified by IATF 16949 and ISO 9001 dual systems, ensuring consistency of each batch of products.
- Customized engineering capability: We provide non-standard designs with axial/radial load ratios of 3:1 for special working conditions, supporting multi-dimensional customization of flange structures, sealing forms, etc. We have successfully matched the extreme working condition equipment of European agricultural machinery giants.
- Global service network: 15 overseas service locations covering 60+countries, standard order delivery cycle ≤ 6 weeks, providing full lifecycle technical support including failure analysis and installation guidance.
Juyuan Ceramic Wheel Bearings - Driven by material innovation to upgrade performance, providing core components that can withstand rigorous tests for global high-end equipment manufacturers. Looking forward to working with you to empower industry efficiency through technological depth.
Ceramic Wheel Bearings Product Parameters Table
|
Parameter Category |
Technical Specifications |
|
1. Material & Structural Parameters |
|
|
Rolling Element Material |
Silicon Nitride (Si₃N₄), density: 3.2 g/cm³, hardness: ≥HRA 85 |
|
Inner/Outer Ring Material |
High-strength alloy steel (for hybrid designs) or full-ceramic construction (customizable) |
|
Clearance Class |
ISO 15241 C3/C4 (standard), special clearance available for high-temperature applications |
|
2. Performance Parameters |
|
|
Operating Temperature Range |
-50°C to +1,900°C (depending on lubrication type) |
|
Thermal Deformation Risk Reduction |
40% lower than conventional steel bearings under equivalent load conditions |
|
Dynamic Load Capacity (C) |
Up to 180 kN (Typical specifications, typical specification), 25% higher speed tolerance than steel |
|
Frictional Torque Reduction |
50% lower than steel bearings (Ra ≤ 0.05μm surface finish) |
|
Radial Runout Tolerance |
≤0.02mm at rated speed (ISO 492 Precision Class P5/P4 available) |
|
3. Environmental Adaptability |
|
|
Corrosion Resistance |
Passed 1,000-hour NSS neutral salt spray test (ASTM B117), zero rust formation |
|
Thermal Expansion Coefficient |
3.0×10⁻⁶/K (1/4 of steel's coefficient), ensuring dimensional stability in thermal cycles |
|
Lubrication Type |
Grease (lithium-based, synthetic) or oil lubrication; maintenance-free options available |
|
4. Manufacturing & Quality Standards |
|
|
Certification |
IATF 16949, ISO 9001, CNAS-approved testing (ISO 16232 fatigue testing capability) |
|
Customization Capability |
Axial/radial load ratio up to 3:1; non-standard geometries (flange/mounting designs) |
|
Production Process |
Full in-house control: ceramic synthesis → precision machining (Grinding accuracy: IT5) → automated assembly |
|
Delivery Lead Time |
Standard orders: ≤6 weeks; customized solutions: ≤8 weeks (depending on complexity) |
Notes:
- Technical Compliance: All parameters adhere to international standards (ISO for precision/clearance, ASTM for corrosion testing).
- Customization: Specific values (e.g., load ratings, temperature limits) can be adjusted based on application requirements.
- Testing Capability: In-house CNAS-certified lab provides detailed material analysis, fatigue testing, and failure mode evaluation.
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