Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Size | customized |
| Materials | 92% alumina powder |
| Maximum Use Temperature | 1700c |
| Melting Point | 2040°C |
| Low Thermal Expansion | Excellent |
| Thermal Expansion Coefficient | 8.2 × 10-6/°C |
| Application | Industrial Ceramic |
| Max Operating Temperature | 1700°C |
| Shape | Customizable (e.g. rods, tubes, plates) |
| Applications | High temperature and high pressure environments, electronic and electrical components, medical and dental equipment, cutting tools, wear-resistant parts |
| Thermal Conductivity | 35 W/mK |
| Volume Resistivity | 10^14 Ω·cm |
| Hardness | 9 Mohs |
| Wear Resistance | Very High |
| Corrosion Resistance | Excellent |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
View Detail Information
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Size | customized | Materials | 92% alumina powder |
| Maximum Use Temperature | 1700c | Melting Point | 2040°C |
| Low Thermal Expansion | Excellent | Thermal Expansion Coefficient | 8.2 × 10-6/°C |
| Application | Industrial Ceramic | Max Operating Temperature | 1700°C |
| Shape | Customizable (e.g. rods, tubes, plates) | Applications | High temperature and high pressure environments, electronic and electrical components, medical and dental equipment, cutting tools, wear-resistant parts |
| Thermal Conductivity | 35 W/mK | Volume Resistivity | 10^14 Ω·cm |
| Hardness | 9 Mohs | Wear Resistance | Very High |
| Corrosion Resistance | Excellent | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | Industrial Grade Alumina Ceramic | ||
99.5% Alumina Ceramic Insulated Bearings Offering Exceptional Insulation And Precision Retention
Alumina ceramic insulated bearings are manufactured using 99.5% high-purity alumina ceramic material, offering exceptional electrical insulation properties and mechanical strength. By integrating alumina ceramic layers on the bearing rings' surfaces, these bearings provide complete electrical insulation, effectively preventing electrical corrosion - making them ideal for applications with electrical current risks.
Electric Motors: Variable frequency motors, generator insulated bearings
Rail Transit: High-speed train traction motors
Wind Power: Wind turbine generator insulated bearings
Medical Equipment: MRI and medical imaging systems
Special Environments: Strong electromagnetic fields, highly corrosive conditions
Superior Insulation: >1000MΩ resistance, >3000V withstand voltage
Excellent Corrosion Resistance: Withstands acids, alkalis and organic solvents
Extended Service Life: 3-5 times longer lifespan by preventing electrical erosion
Maintenance-Free Design: Eliminates additional insulation requirements
Precision Retention: Stable ceramic coating maintains bearing accuracy
| Parameter | Specification |
|---|---|
| Ceramic Material | 99.5% Al₂O₃ |
| Insulation Resistance | ≥1000MΩ(500VDC) |
| Withstand Voltage | ≥3000V(AC) |
| Precision Grade | ABEC-3/ABEC-5 options |
| Temperature Range | -40℃ to +300℃ |
| Size Range | 10-200mm bore diameter |
| Ceramic Thickness | 0.3-1.0mm customizable |
Base Processing: Precision steel bearing base
Surface Treatment: Base surface roughening
Ceramic Coating: Plasma-sprayed alumina layer
Precision Grinding: Ceramic surface finishing
Assembly & Testing: Bearing assembly and insulation verification
Packaging: Moisture/shock-proof packaging
Avoid impact on ceramic surfaces during installation
Maintain operating humidity <80%RH
Regularly monitor insulation resistance
Use ceramic-compatible lubricants
Use specialized tools during disassembly
Dedicated technical support team
48-hour response time
Complimentary selection consultation
Customization services available
Q: Will the ceramic insulation layer detach?
A: Special process ensures >50MPa bond strength - won't detach under normal use
Q: Advantages vs traditional insulated bearings?
A: More stable insulation, significantly longer service life
Q: Maximum available size?
A: Currently up to 200mm bore, larger sizes customizable
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e... We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e...
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