Beijing Zhongxing Shiqiang CERAMIC BEARING Co., Ltd.
Beijing Zhongxing Shiqiang Ceramic Bearing Co.,Ltd
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NU202 Ceramic Roller Bearing Of SSiC Races And Balls+PTFE Cage
Description of NU202 (SSiC races and balls+ cage):
1. SSiC races and balls: Are made of highly purified, sub-micron silicon carbide material and are sintered by pressureless sintering technology.
2. cage: has excellent corrosion resistance and high temp resistance (resistant to molten metal sodium and liquid fluorine, all kinds of acid and alkali and organic solvent and can work in +250℃ to -180℃ temperature for a long time)
Performance advantages of NU202 (SSiC races and balls+ cage):
| ►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) |
| 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) | |
| NU202CE | 12500 | 10200 | 18000 | 28600 |
