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Help Center6803 Ceramic Bearing, Full Ceramic Zirconia Bearing
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6803 ceramic bearing
1. Ceramic Bearing
Ceramic bearings are anti-magnetic, insulating, oil-free self-lubricating, corrosion resisting and high speed. They work in terrible conditions while the ordinary bearings cannot be qualified, and much cheaper than silicon nitride. They are widely used in aviation, aerospace, marine, petroleum, chemical, automotive, electronics, metallurgy, electric power, textile, medical equipment and other domains.
Materail of bearing:
Rings:zirconia ceramic
Balls:zirconia balls or silicon nitride balls.
Cage: PTFE, nylon 66, PEEK,SS304.
2. Silicon Nitride(Si3N4)Ceramic Properties:
|
Density g/cm3 |
Relative density % |
Elastic modulus GPa |
Compression strength ratio(25℃)% |
Hardness(HV)GPa |
3.260.02 |
>99.5 |
300~320 |
40~50 |
16 - 20 |
|
Fracture toughness /MPa•m1/2 |
Bending trength MPa |
Poisson's ratio |
Linear expansion coefficient 10-6K-1 |
Webuller modulus |
6.0~9.0 |
600~1000 |
0.25 |
3.1~3.3 |
12~15 |
|
Thermal conductivity W•(m•K)-1 |
Specific resistance ratio |
Corrosion resistance |
Size stability |
Magnetic |
15~20 |
1018 |
Excellent |
Excellent |
None |
3. Application:
It is widely used in aerospace, mechanical industry, chemical industry and petroleum industry. Specified for
use in such high-technology industries such as hybrid bearings, aerospace and defense.
4. Every step quality control
1.Raw material checking when suppliers deliver to our factory to ensure no quality problem at the very beginning;
2.Instrument and equipment checking every time before use.
3.Size checking, roundness checking, crushing load test etc. by special measuring tool.
5. Fair
We have been to a lot fairs and the latest fair is 2015 HANNOVER MESSE Germany.
6. Company introduction
Our factory was founded in 1963, Beijing Sinoma Synthetic Crystals Co, LTD.Is a hitech state enterprise,
belongs to the China National Materials Group Co., Ltd. An excellent technical team headed by the state
level experts has built up, which provides a reliable guarantee for the continuous and rapid technological
development.
7. Contact
Please contact us for more detail and correct products!
Whatsapp: 86+13153371540
Emeil:tina(a)
Send Inquiry to This Supplier
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