SF-2L carbon steel base boundary lead-free self-lubricating bearing is an improved product of SF-2, with copper back as the base, sintered spherical tin bronze powder in the middle, rolled with acetal resin on the surface and contains lipophilic fibers an
| Grade | SF-2L(Blue) | |
| Materiai | Steel+Bronze+(POM) | |
| Max load capacity | Static load N/mm2 | 110 |
| Dynamic load N/mm2 | 45 | |
| Max line speed m/s | Greaes lubrication m/s | 2.5 |
| PV value limit N/mm2 · m/s | 2.8 | |
| Friction coef μ | 0.05~0.1 | |
| Matching Shalt | Hardness HB | >270 |
| Roughness Ra | 0.4~1.25 | |
| Working tempe『ature°C | -60~+120 | |
| Thermal conductivity W/mk | 52 | |
| Coefficient of linea『 xpansion | 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.