⚙️ Hybrid Ceramic Bearings | High Speed · Low Friction · Long Life
Hybrid ceramic bearings combine ceramic balls and metal rings to deliver exceptional performance in demanding applications. The rolling elements are made from silicon nitride (Si₃N₄), known for its low density, high hardness, corrosion resistance, and high temperature capability. The rings are made from high-carbon chromium steel (GCr15) or stainless steel (440C), ensuring high strength and precision stability.
This hybrid structure dramatically reduces friction and heat generation, increases speed, and extends bearing life — making it the ideal solution for motors, spindles, and automation systems.
Product Features
- Ultra-high speed — lightweight ceramic balls reduce centrifugal force
- Low friction & low heat — smoother operation, suitable for continuous high-speed use
- Excellent corrosion & wear resistance — ideal for humid or chemical environments
- Electrical insulation — prevents damage from stray electrical currents
- High temperature resistance — continuous operation up to 400°C
- Maintenance-free options — available with oil, grease, or dry lubrication
🧠 Technical Specifications
| Parameter | Description |
|---|---|
| Structure | Si₃N₄ ceramic balls + steel or stainless steel rings |
| Size Range | Bore 3mm – Outer Diameter 100mm (customizable) |
| Ring Material | GCr15 / SUJ2 / Stainless Steel 440C |
| Ball Material | Silicon Nitride (Si₃N₄) |
| Precision Class | ABEC-3 / ABEC-5 / ABEC-7 |
| Lubrication | Oil, grease, or dry (clean type) |
| Operating Temperature | -40°C to 400°C |
| Sealing Type | Open / ZZ / 2RS |
| Noise Grade | Z1, Z2, Z3, Z4 (optional) |
* Custom dimensions, materials, and non-standard models available upon request.
🧭 Applications
- High-speed motors and spindle systems
- Servo motors and robotics
- Semiconductor and electronics manufacturing
- Food and medical machinery
- Vacuum and cleanroom equipment
- Racing, drones, and precision machinery
🧰 Customization & Options
- OEM & ODM customization available
- Custom size and tolerance options
- Special sealing and dustproof designs
- High-temperature or solid lubrication options
- Precision levels up to ABEC-7
- Laser logo engraving & custom packaging
📦 Packaging & Delivery
- Vacuum anti-rust packaging for stable storage
- Each box labeled with model and batch number
- Standard lead time: 7–15 days (for regular models)
- Worldwide delivery via air, sea, or express
🧾 Quality Assurance
- Certified under ISO 9001:2015 quality management system
- 100% inspection for noise, vibration, and dimensions
- Precision grades available up to ABEC-7
- Inspection report available upon request