ZrO2 6205 Ceramic Ball Bearing 25mm Inner Diameter 52mm Outer Diameter
The 6205 is a high-performance, full-ceramic bearing designed for demanding applications. Featuring Zirconia (ZrO₂) construction for both rings and balls with a PTFE cage, it's ideal for corrosive environments, extreme temperatures, electrical insulation, and applications where lubrication is impossible.
| Attribute | Value |
|---|---|
| Material | Ceramic, ZrO2 |
| Bearing Type | Ceramic Ball Bearing |
| Precision | P6/ABEC3 to P4/ABEC7 |
| Characteristic | Long-lasting life, Low noise, High precision |
| Application | Pump |
| Clearance | C0-C5 |
| Number of Row | Single row |
| Structure | Deep groove |
| Inner Diameter | 25mm |
| Out Diameter | 52mm |
| Width | 15mm |
- High temperature and cold resistance
- Excellent wear and corrosion resistance
- Magnetic and electrical insulation properties
- Oilless self-lubrication capability
- High-speed operation suitability
- Complete electrical insulation and uniform resistance to corrosion and wear
- Highly inert, resisting virtually all acids, alkalis, and organic solvents
- Non-magnetic and electrically insulating - essential for sensitive equipment
- High hardness with low density for excellent wear resistance and smooth operation
- Superior dry-running capability with self-lubricating properties
- Extremely low friction ensures low starting and running torque
- Outstanding chemical inertness matching Zirconia's corrosion resistance
| Parameter | Description |
|---|---|
| Material | Ceramic: ZrO2 |
| Corrosion resistance | Excellent |
| Friction | Lower than steel |
| Wear resistance | Excellent |
| Temperature resistance | High |
| Strength | Higher than steel |
| Durability | Excellent |
| Weight | Lighter than steel |
| Precision | High |
| Biocompatibility | Some ceramic materials are biocompatible |
This bearing is specifically chosen for applications where standard steel bearings would rapidly fail:
- Chemical & Process Industries: Pumps, mixers, and valves handling aggressive chemicals
- Food, Beverage & Pharmaceutical: Equipment requiring frequent steam cleaning where lubricant contamination is prohibited
- Electrical Insulation: VFD-driven motors to prevent bearing fluting from stray currents
- Semiconductor Manufacturing: Wafer processing equipment avoiding metallic contamination
- Precision Instruments: MRI scanners, analytical instruments requiring non-magnetic components
- High-Temperature & Vacuum Environments: Ovens and vacuum chambers due to thermal stability
- Professional Team: 40+ years of experience since 1982 with eleven invention patents and dedicated R&D
- Advanced Production: Fully automated grinding and assembly line producing 3 million sets annually
- Material Mastery: Vertical integration from raw materials to finished products for consistent quality
We are a factory in Beijing, China with over 40 years of ceramic bearing production experience, serving domestic and international clients.
We implement strict production protocols, precise inspection processes, and double-layer protective packaging to ensure product integrity.
Our range includes ceramic deep groove ball bearings, angular contact bearings, hybrid bearings, linear bearings, and ceramic balls.
As an integrated manufacturer with three factories, we offer superior quality control, faster delivery, and competitive pricing.
We offer custom solutions, product samples, technical consultation, and comprehensive after-sales support.
We welcome your inquiries about our high-quality ceramic bearings. As a professional manufacturer with complete R&D, production, and service capabilities, we are committed to providing superior products and technical support. Contact us today to discuss your requirements.
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