The 6203 Ceramic Bearing is engineered for high-speed and high-performance applications where reduced friction, low heat generation, and long service life are essential. Available in both full ceramic and hybrid ceramic (Si₃N₄ balls with steel rings) configurations, this bearing offers superior performance compared to conventional steel bearings.
Ceramic materials such as zirconia (ZrO₂) and silicon nitride (Si₃N₄) provide excellent hardness, wear resistance, and lightweight properties. These features allow the 6203 ceramic bearing to operate at significantly higher speeds with lower vibration and improved efficiency.
In addition, ceramic bearings are non-magnetic and electrically insulating, making them ideal for sensitive equipment and high-frequency applications. With options for open, ZZ (metal shield), and 2RS (rubber sealed) designs, the 6203 ceramic bearing can be adapted to a wide range of industrial environments.
Key Features
- High-speed performance with low friction
- Available in full ceramic or hybrid ceramic designs
- Reduced heat generation and longer service life
- Excellent corrosion and wear resistance
- Non-magnetic and electrically insulating
- Lightweight for improved efficiency
- Multiple sealing options: Open, ZZ, 2RS
Technical Specifications
| Parameter | Value |
|---|---|
| Bearing Model | 6203 Ceramic |
| Inner Diameter (d) | 17 mm |
| Outer Diameter (D) | 40 mm |
| Width (B) | 12 mm |
| Ball Material | Si₃N₄ / ZrO₂ |
| Ring Material | Ceramic / Chrome Steel / Stainless Steel |
| Cage Material | PTFE / Steel / Nylon |
| Sealing Type | Open / ZZ / 2RS |
| Precision Rating | ABEC-3 / ABEC-5 / ABEC-7 |
| Lubrication | Grease / Oil / Dry |
| Operating Temperature | -20°C to 200°C+ (depending on material) |
Applications
The 6203 ceramic bearing is widely used in:
- High-speed electric motors
- CNC machinery and spindles
- Pumps and compressors
- Medical and laboratory equipment
- Semiconductor and electronic devices
- Industrial automation systems
Why Choose Us
- High-quality ceramic materials (ZrO₂ / Si₃N₄)
- OEM and customization services available
- Advanced precision manufacturing process
- Competitive pricing for bulk orders
- Fast delivery and global technical support
FAQ
Q1: What is the difference between full ceramic and hybrid ceramic bearings?
A: Full ceramic bearings use ceramic rings and balls, while hybrid bearings use ceramic balls with steel rings, offering a balance of strength and performance.
Q2: Are ceramic bearings suitable for high-speed applications?
A: Yes, ceramic bearings are ideal for high-speed applications due to their low friction and reduced heat generation.
Q3: Can I choose sealed versions like 6203-2RS?
A: Yes, ceramic bearings are available in open, ZZ, and 2RS configurations based on your application needs.
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