JDB-1U Sump Copper Alloy Bushings
- JDB-1U Sump Copper Alloy BushingsProduct Overview: finishing copper alloy bushings provide a simple, economical way to use bearings with high bearing, good corrosion resistance, size and other characteristics of any process. Meanwhile SAVI can provide different grades of copper alloy according to different conditions, and in accordance with the requirements of processing different forms, it has a higher accuracy than the size class copper rolling bearings.
Technical ParametersOil GrooveAvailableSize table Download
| Material Composition and Properties | ||||
| Grade | JDB-1U | JDB-1US1 | JDB-1US2 | JDB-1US3 |
| Material | CuZn25Al5Mn3Fe3 | CuSn5Pb5Zn5 | CuAl10Ni5Fe5 | CuSn12 |
| Density | 8 | 8.9 | 7.8 | 8.9 |
| Hardness HB | ＞210 | ＞70 | ＞150 | ＞95 |
| Tensile strength N/mm² | ＞750 | ＞200 | ＞600 | ＞260 |
| Yield strength N/mm² | ＞450 | ＞90 | ＞260 | ＞150 |
| Elongation % | ＞12 | ＞25 | ＞10 | ＞8 |
| Coeffcient of linear expansion | 1.9×10-5/℃ | 1.8×10-5/℃ | 1.6×10-5/℃ | 1.8×10-5/℃ |
| Max.temp ℃ | -40~+300 | -40~+400 | -40~+400 | -40~+400 |
| Max.load N/mm² | 100 | 60 | 50 | 70 |
| Max.speed (Dry) m/min | 15 | 10 | 20 | 10 |
| Max.PV（Lubrication） N/mm² *m/min | 200 | 60 | 60 | 80 |
| Compression deformation 300N/mm² | ＜0.01mm | ＜0.05mm | ＜0.04mm | ＜0.05mm |
