Overview
Technical Parameter
This product is made of high-quality low-carbon steel as the substrate, with a sintered spherical bronze layer in the middle and a surface rolled modified polyoxymethylene (POM). Under boundary lubrication conditions, it can be used for a long time without refueling, and there are oil storage pits on the surface of the wear-resistant layer. The product is widely used in metallurgical machinery, mining machinery, water conservancy machinery, locomotives, construction machinery, agricultural machinery, steel rolling industry, etc.
| Material | Carbon steel/Steel+Copper powder/Bronze+(POM+Pb) |
| Applications | The product is applied to automotive chassis, forging machines, metallurgical machinery, mining machinery, water conservancy industry, steel rolling industry, etc |
| Maximum bearing pressure P | Static Load 140N/mm² |
| Dynamic 70N/mm² | |
| Maximum linear velocity V | Grease 2.5m/s |
| Maximum PV value | Grease 2.8N/mm²·m/s |
| Coefficient of friction u | Grease 0.06~0.12 |
| Matching shaft diameter | Hardness HB ＞270 |
| Roughness Ra 0.4~1.25 | |
| Working temperature | -60~+120℃ |
| Thermal conductivity | 52W/mk |
| Linear expansion coefficient (axial) | 11×10-6/K |