Popular Steel Backed Bronze Layer PTFE Coated Flange Sleeve Bearing Oil Free DU Bushing manufacturer
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Product Name | Self-lubricating multilayer composite steel backed bronze bushing |
Load capacity P(Dry friction) | Static load 250N/mm2 ; Dynamic load 140N/mm2;Oscillation Load 60N/mm² |
Max line speed V | Dry Lubrication 2.5m/s;Oil Lubrication >5m/s |
PV value limit | Grease Lubrication 1.8N/mm²· m/s;Oil Lubrication 3.6N/mm²· m/s |
Friction coef u | Dry Lubrication 0.08~0.20;Oil Lubrication 0.02~0.12 |
Mating Axis | Hardness >220 HB;Roughness Ra=0.4~1.25 |
Working Temperature | -200~+280℃ |
Thermal conductivity | 40W/(m·k) |
Coefficient of linear expansion | 11×10-6/K |
Production Process | Material cutting~Bronze sintering~PTFE sintering~Sizing~Coiling~Surface finish~Packing |
Application Feature | Self lubrication, Low wear, Low friction, Low noise, Good sliding characteristic, Pb free |