Metallographic pictures
1:PTFE＆Fiber mix
2:Cu90Sn10
3:Copper back
4:Anodized coating-Cu/Sn/Zinc
WGB-2Y（Sn）Carbon Steel Marginal Pb-Free Self-lubricating Bushes
WGB-2Y（Sn）Carbon Steel Marginal Pb-Free Self-lubricating Bushes,It is improved on the basis of WGB-2. Its performance is the same as that of WGB-2, but the surface does not contain lead, and the field of use can be extended to areas with environmental protection requirements.
Tech. Data
|
Performance |
Data |
|
| Max. load P | Static | 250N/mm² |
| Dynamic | 140N/mm² | |
| Max. speed V | Grease lubrication | 2.5m/s |
| Max. PV | Grease lubrication | 2.8N/mm²?m/s |
| Friction coefficient μ | Grease lubrication | 0.05~0.25 |
| Temp. | -40℃～+130℃ | |
| Thermal conductivity | 4W/m?K | |
| Coefficient of thermal expansion | 12×10-6/K |
