KDB 304
Material
Carbon steel +AlSn20Cu
Application features
The sliding layer with oil tank or oil hole can be machined
Aluminum-tin alloy is used in fluid lubrication conditions
The product is suitable for internal combustion engine spindle and connecting rod bearings, bearings for air compressors and refrigerators
The sliding layer can be refined to improve the matching accuracy
| Characteristics | Unit | Oil lubrication |
| Max. dynamic load | Mpa | 90 |
| Operating temperature | ℃ | -40 ~ +150 |
| Max. line speed | m/s | 15 |
| Max. PV | m/s·Mpa | 10 |
| Min. hardness of alloy layer | HB | 30 |
| Min. hardness for couplings | HRC | 270 |
