Zirconia (ZrO₂) Full Ceramic Deep Groove Ball Bearings are manufactured with zirconium dioxide (ZrO₂) inner and outer rings and ZrO₂ ceramic balls, combined with a PTFE (polytetrafluoroethylene) cage for smooth and stable operation. This full ceramic structure provides excellent corrosion resistance, electrical insulation, and non-magnetic properties. Compared with conventional bearing steel, zirconia ceramic bearings perform significantly better in chemically aggressive and electrically sensitive environments.
Product Properties
Downloads & Resources
| Resource Type | Link |
|---|---|
| Safety Data Sheet (SDS) | ZrO2-MSDS-Innovacera |
| Technical Data Sheet (TDS) | Zirconia Ceramic Material Properties – SU0983 |
Product Details
Zirconia (ZrO₂) Full Ceramic Deep Groove Ball Bearings are manufactured with zirconium dioxide (ZrO₂) inner and outer rings and ZrO₂ ceramic balls, combined with a PTFE (polytetrafluoroethylene) cage for smooth and stable operation.
This full ceramic structure provides excellent corrosion resistance, electrical insulation, and non-magnetic properties. Compared with conventional bearing steel, zirconia ceramic bearings perform significantly better in chemically aggressive and electrically sensitive environments.
| RING | BALL | CAGE | Max working Temp | Anti-corrosion |
| ZrO2 | ZrO2 | PTFE | 180℃ | Excellent |
The PTFE cage offers low friction, good chemical stability, and reliable performance at both high and low temperatures.
Product Dimensions
| Model | Boundary Dimension | ||||
| Bearing No. |
d | D | B | r(min) |  |
| 6902-9 | 15mm | 28mm | 7mm | 0.3mm | |
Key Features
- Excellent corrosion resistance
- Resistant to acids, alkalis, and chemical media
- Electrical insulation and anti-magnetic
- Low friction and smooth rotation
- Suitable for clean and special environments
Typical Applications
- Semiconductor equipment
- LCD well equipment
- Ectopiating equipment
- Chemical equipment
- Textile machinery
- Medical machinery
Multiple sizes are available to meet different installation requirements.
Frequently Asked Questions
- Lighter weight
- Higher wear and corrosion resistance
- Electrical insulation
- Operates at higher temperatures
- Lower friction and longer service life in precision applications
Yes. Zirconia is chemically inert and biocompatible, making it suitable for chemical, pharmaceutical, and medical applications.
Yes. They offer lower friction and higher stiffness than steel bearings, making them ideal for precision and high-speed machinery.
- Avoid contamination with hard particles
- Use compatible lubricants (ceramic bearings can be used dry in some cases)
- Inspect periodically for wear, especially in high-speed or high-load applications
Yes, but ensure that the bearing housing and lubrication are compatible, and that the load and speed requirements do not exceed ceramic material limits.
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