Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
Beijing Zhongxing Shiqiang Ceramic Bearing Co.,Ltd
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Non-standard 608 Ceramic Bearings in material of Si3N4/ZrO2+Peek Cage
Description of Non-standard 608 Ceramic Bearing (HIP-Si3N4 or HIP-ZrO2 Races and Balls+Peek Cage):
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. PEEK cage: We adopted British Victrex PEEK material, PEEK material has similar corrosion resistance to ceramic materials, and has a good resistance to radiation, self-lubricating properties, a high degree of wear resistance and other characteristics. The peek cages are injection molded at high temperature, so have high strength, light body.
Performance advantages of Non-standard 608 Ceramic Bearing (HIP-Si3N4 or HIP-ZrO2 Races and Balls+Peek 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 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 |
Main application of Non-standard 608 Ceramic Bearing (HIP-Si3N4 or HIP-ZrO2 Races and Balls+Peek Cage):
Because of the above mentioned performance advantages and its special structure, the non-standard 608 ceramic bearings are suitable for the rollers of high-end door and window.
