FZH Bronze Ball Retainer A bronze alloy material with pure copper (red copper) added with tin or lead. Wear-resistant and chemically stable, it has the characteristics of corrosion resistance, high hardness, and bright color.
Bronze alloy + steel ball
| Grade | FZH | |
| Material | Bronze alloy + steel ball | |
| Max.Load N/mm2 | 30 | |
| Max sliding speed m/s | 6 | |
| Assembly interference mm | 0.01～0.02 | |
| friction factorμ | 0.10~0.08 | |
| Ball diameter deviation mm | 20~40 | |
It is mainly used in the fields of cold die rolling die set, high-precision machine tools and machine tool accessories.