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Ceramic Thrust Bearing 51111 In Material Of ZrO2 Races and Balls+PTFE Cage
Description of Ceramic Thrust Bearing 51111 (ZrO2 Races and Balls+PTFE Cage):
1. ZrO2 races and balls: Are made by highly purified, sub-micron and after Y2O3-TZP stabled zirconia powder material, are processed by AP (Atmospheric Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology.
2. PTFE cage: 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 Ceramic Thrust Bearing 51111 (ZrO2 Races and Balls+PTFE Cage):
| ►Key properties of zirconia |
| ♦High hardness : 1300 HV5 |
| ♦ High density: 6.09 g/cm3 |
| ♦ Max Temperature up to 380℃ |
| ♦ Chemical stability, resistance to acid and alkali corrosion |
| ♦ High fracture toughness KIC:8-11 MPa-m1/2 and good wear resistance |
| ♦ Low thermal conductivity |
| ♦ Better bearing capacity |
| ♦ Good magnetic and electric insulation |
| 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) | |
| 51111CE | 28000 | 79050 | 2800 | 4200 |
Main application of Ceramic Thrust Bearing 51111(ZrO2 Races and Balls+PTFE Cage):
Because of the outstanding porperties of zirconia, zirconia ceramic bearings are suitable for chemical, antimagnetic, semiconductor, new energy industry and corrosive working environment and an enviroment with some vibration.
