Graphite self lubricating bronze bushing bearing JDB series
Material: Brass or Bronze+Graphite
Features:
1. Without pre-lubrication required
2. Able to working under extreme high/low temperature with low speed
3. Working temperature range: -100oC~+300oC
Technical Data:
| Material | CuZn25Al5Mn4Fe3 | CuSn5Pb5Zn5 | CuAl10Ni5Fe5 | CuSn12 | CuZn32Al5Ni3 |
| Density | 8 | 8.9 | 7.8 | 8.9 | 8 |
| HB hardness | >210 | >70 | >150 | >95 | >280 |
| Tensile strength N/mm2 | >750 | >200 | >600 | >260 | >540 |
| Yeild strength N/mm2 | >450 | >90 | >260 | >150 | >450 |
| Elongation % | >12 | >15 | >10 | >8 | >0.3 |
| Coefficient of linear expansion | 1.9x10-5/°C | 1.8x10-5/°C | 1.6x10-5/°C | 1.8x10-5/°C | 1.8x10-5/°C |
| Max. temp. | -40~+300 | -40~+400 | -40~+400 | -40~+400 | -40~+150 |
| Max. load N/mm2 | 100 | 60 | 50 | 70 | 150 |
| Max. speed (Dry) m/min | 15 | 10 | 20 | 10 | 15 |
| Max. PV N/mm2*m/min (Lubrication) | 200 | 60 | 60 | 80 | 200 |
| Compression deformation 300N/mm2 | <0.01mm | <0.05mm | <0.04mm | <0.05mm |
Welcome to inquiry for more detail.
Contact: Blues Gong
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Changsha Terry Machinery
Tel: 0086-731-85782665
Fax: 0086 -731 -85515405