7207 Zirconia Ceramic Bearing ZrO2 35x72x17mm
7207 Ceramic Bearing In Material Of ZrO2 Races and Balls+PTFE Cage
Description of 7207 Ceramic Bearing (ZrO2 Races and Balls+PTFE Cage):
ZrO2 races and balls: Are made by highly purified, sub-micron and after Y2O3 partially stabled zirconia powder material, are processed by AP (Atmospheric Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology, so their properties are highly improved.
PTFEcage: has excellent chemical stability, can resistant to molten metal sodium and liquid fluorine, to all kinds of acid and alkali resistance and organic solvent,can work in +250℃ to -180℃ temperature for a long time.
Performance advantage of 7207 Ceramic Bearing (ZrO2 Races and Balls+PTFE Cage):
ZrO2 material can stand 380℃ working temperature and have high density(6.05-6.09g/cm3), good wear resistance and high hardness (1300 HV5) , besides have excellent chemical stability, resistance to many kinds of strong acid and alkali corrosion.
| Ceramic | Bearings | Dimension | Reference | |
| Bearings Model | Load Rating (Ref.) | Load Rating (Ref.) | Max Speed (Ref.) | Max Speed (Ref.) |
| Cr(N) | Cor(N) | Grease (rpm) | Oil (rpm) | |
| 7207CE | 27450 | 19900 | 20800 | 27300 |
Main application of 7207 Ceramic Bearing:
Because of the outstanding porperties, 7207 ceramic bearings are suitable for chemical, antimagnetic, semiconductor, new energy industry and corrosive working environment.
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