Skate 608 Ceramic Bearings Industrial Si3N4 ZrO2 SSiC
Customized Non-Standard 608 Ceramic Bearings In Material Of Si3N4/ZrO2/SSiC
Description of Non-standard 608 Ceramic Bearing:
1. HIP-Si3N4 Races and Balls: Are made of highly purified, submicron silicon nitride powder with an alpha phase of more than 92%, and is processed by GPS (Gas Pressure) sintering and HIP (Hot Isostatic Pressure) sintering technology.
2. HIP-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.
3. Cage and seals: our company can supply PEEK cage, cage, Nylon cage and other materials you need. The material of seals can be chosen among PEEK, , Rubber and others you want.
Key properties of ceramic material:
| ►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 electric insulation and wear resistance |
| ► Key properties of hot isostatic sintered silicon nitride |
| ♦ Max temperature to 1000℃ |
| ♦ High strength over a wide temperature range |
| ♦ High fracture toughness: 6.1 MPa-m1/2 |
| ♦ High hardness: 1580 HV5 |
| ♦ Outstanding wear resistance, both impingement and frictional modes |
| ♦ Good thermal shock resistance |
| ♦ Good chemical stability,resistance to acid and alkali corrosion |
| ♦ Good electric insulation |
| ►Key properties of pressureless sintered silicon carbide |
| ♦ Max Temperature up to 1650℃ |
| ♦ Low density:3.15-3.18 g/cm3 |
| ♦ High strength |
| ♦ Low thermal expansion : 4.0 (10-6/℃) |
| ♦ High thermal conductivity:120 W/m°K |
| ♦ High hardness:2800 HV5 |
| ♦ High elastic modulus: 410GPa |
| ♦ Superior chemical stability,resistance to acid and alkali corrosion (incld. hydrofluoric acid) |
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