JF-820 environmental protection bimetal bearing is an environment-friendly bimetal bearing, which is a steel-copper alloy product with low carbon steel plate as the base and CuSn8Ni1 material sintered on the surface. The product has high fatigue strength
| Grade | JF-820 | |
| Materiai | Steel CuSn8Ni1 | |
| Max dynamic Load N/mm2 | 140 | |
| Max line speed m/s | Grease lubrication | 2.5 |
| Alloy layer hardness HB | 70~130 | |
| Max PVvalue N/mm2 · m/s | Grease lubrication | 2.8 |
| Oil lubrication | 10 | |
| Friction coef μ | Grease lubrication | 0.05-0.12 |
| Oil lubrication | 0.04-0.12 | |
| Max Working temperature°C | Grease lubrication | 150 |
| Oil lubrication | 250 | |
| Matching Shaft | Hardness | —— |
| Roughness | —— | |
| Thermal conductivity W/mk | 47 | |
| Coefficient of linea『 xpansion | 18✕10-6/k | |
It is suitable for bearings with medium loads and large shock loads, such as engine connecting rod bushings, steering pin bushings, etc.