SF-2S sliding bearing is improved from SF-2, based on steel backing plus sintered bronze, rolling POM on surface. It is similar with DS bushing in foreign countries, it is of low Friction, anti-corrosion and is of long life. Now it is used in machines und
| Grade | SF-2S(orange) | |
| Material | Steel+Bronze+(POM) | |
| Load capacity | Static load N/mm2 | 140 |
| Dynamic load N/mm2 | 70 | |
| Max line speed m/s | Grease lubrication m/s | 2.5 |
| PVvalue limit N/mm2 · m/s | 2.8N/mm2 · m/s | |
| Friction coef μ | 0.06~0.12 | |
| Mating shaft | Hardness HB | >270 |
| Roughness Ra | 0.4~1.25 | |
| Working temperature°C | -40~+120 | |
| Thermal conductivity W/mk | 52 | |
| Coefficient of linear expansion | 11×10 -6/K | |
At present, the product has been used in the occasions of rocking motion, easy wear and corrosion, such as rolling field machines, bulldozers, printing and dyeing machines, coal shearers and cranes, aerial work machines and other occasions.