| SinoBronze Metal-polymer PTFE-coated Dry Bushings' Materials Display | ||||||
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| GRADE & MATERIALS | SB-DU | DUB | DP4 | DP4B | DUS | |
| Physical & Mechannical Data | Material Layers | Tin / Copper plating + Steel backing + Bronze powder + PTFE | Bronze backing + Copper powder + PTFE | Tin / Copper plating + Steel Backing + Bronze powder + PTFE & Filler | Bronze Backing + Bronze powder + PTFE & Filler | Stainless stee backiing + Bronze powder + PTFE |
| Lode capacity | Static load N/mm2 | 250 | 250 | 250 | 250 | 250 |
| Dynamic load N/mm2 | 140 | 140 | 140 | 140 | 140 | |
| Oscoillation Load N/mm2 | 60 | 60 | 60 | 60 | 60 | |
| Max line speed | Dry friction m/s | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Oil lubrication m/s | >5 | >5 | >5 | >5 | >5 | |
| PVvalue limit | Dry friction N/mm 2 · m/s | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Oil lubrication N/mm 2 · m/s | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | |
| Friction coef | Dry friction | 0.08~0.20 | 0.08~0.20 | 0.08~0.20 | 0.08~0.20 | 0.08~0.20 |
| Oil lubrication | 0.02~0.12 | 0.02~0.12 | 0.02~0.08 | 0.02~0.08 | 0.02~0.12 | |
| Mating shaft | Hardness HB | >220 | >220 | >220 | >220 | >220 |
| Roughness Ra | 0.4~1.25 | 0.4~1.25 | 0.4~1.25 | 0.4~1.25 | 0.4~1.25 | |
| Working temperature °C | -200~+280 | -200~+280 | -200~+280 | -200~+280 | -200~+280 | |
| Thermal conductivity W/mk | 40 | 60 | 40 | 60 | 40 | |
| Coefficient of linear expansion | 11×10 -6/K | 18×10 -6/K | 11×10 -6/K | 11×10 -6/K | 11×10 -6/K | |
| Outer Surface Plating | Copper / Tin | N.A. | Copper / Tin | N.A. | N.A. | |
| SinoBronze Supply Type | Cylindrical Bush / Flanged Bush / Thrust Washer / Flanged Washer / Flat Strip & Slide Plate / Customized Parts … | Cylindrical Bush / Flanged Bush / Thrust Washer / Flanged Washer / Flat Strip & Slide Plate / Customized Parts … | Cylindrical Bush / Flanged Bush / Thrust Washer / Flanged Washer / Flat Strip & Slide Plate / Customized Parts … | Cylindrical Bush / Flanged Bush / Thrust Washer / Flanged Washer / Flat Strip & Slide Plate / Customized Parts … | Cylindrical Bush / Flanged Bush / Thrust Washer / Flanged Washer / Flat Strip & Slide Plate / Customized Parts … | |
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