
SF-1D hydraulic bushing is developed on the basis of SF-1P and meanwhile considering the working principle of oil pump and damper.It shows better performance under working condition of without oil lubrication. It is the substitution of and parallels in pe
| Grade | SF-1D | |
| Material | Steel+Bronze+(PTFE+Filler) | |
| Load capacity | Static load N/mm2 | 250 |
| Dynamic load N/mm2 | 140 | |
| Oscoillation Load N/mm2 | 60 | |
| Max line speed | Dry friction m/s | 2.5 |
| Oil lubrication m/s | >5 | |
| PVvalue limit | Dry friction N/mm 2 · m/s | 1.8 |
| Oil lubrication N/mm 2 · m/s | 3.6 | |
| Friction coefμ | Dry friction | 0.08~0.20 |
| Oil lubrication | 0.02~0.08 | |
| Mating shaft | Hardness HB | >220 |
| Roughness Ra | 0.4~1.25 | |
| Working temperature°C | -200~+280 | |
| Thermal conductivity W/mk | 40 | |
| Coefficient of linear expansion | 11×10 -6/K | |
| Outside surface Plating | copper/tin | |
Products are suitable for automobile, motorcycle shock absorbers and various hydraulic cylinders and other fields.