ZHEJIANG TOP BEARINGS CO., LTD.
YOUR TOP PARTERNER FOR PLAIN BEARINGS and ROLLING BEARINGS.
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Oiless Slid Bearing , Bronze Self Lubricating Bushing SF-1B, for Screw Conveyors
Description:
· SF 1B is a bronze bushing which has high safety factor, and is particularly appropriate for high temperature environment where no oil is efficient and where the machine must be under successive long period working condition.
Structure:
| PTFE with Pb | 0.01~0.03mm |
| Porous bronze | 0.2~0.3mm |
| Bronze backing | 0.7~2.3mm |
Technical:
Load capacity:140N/mm2 Temperature:-195~+3o0°C
Speed limit: 5m/s Friction coef(u):0.03~0.18
PV LIMIT(Dry): 4.3N/mm2 .m/s PV LIMIT(OIL):50N/mm2 .m/s
CHEMICAL CHARACTERISTIC:
| TYPE | In Air | In Vacuum | In water | In Vapor | Weak Acid | middle Acid | Strong Acid | In Alkali |
| SF 1B | OK | OK | OK | OK | MEDIUM | NO | NO | OK |
Application
SF-1B is widely used in steel metallurgy industry such as bushes for roller grooves of successive casting machines, cement grouting pumps and screw conveyors for cement. It can also be composed in steel housing or fabricated into Flanged bushes which can move both in radial and in axial directions.
Quality Control:
MMD-10 Friction & Wear Test:
| Type | Time | Test Condition | Friction coef(u) | TEMP. | Wear | ||
| Lubricate | Speed | Drang | (°C) | (mm) | |||
| SF 1B | 3hr | Dry | 0.4m/s | 3.5N/mm2 | 0.151 | 83 | 0,014 |
| SF 1B | 3hr | Oil | 0.4m/s | 3.5N/mm2 | 0.058 | 55 | 0,012 |
Packaging & Delivery
1.Inner Packing: Bubble Bag, Plastic Bag, Anti-rust Paper;
2.Outer Packing: Carton / Wooden Case;
3.According to customers' requirement
What we do:
Specialize in providing self-lubricating material self-lubricating solution.
Why choose us?
1. Guaranteed Precision.
2. On time delivery
3. High quality & competitive price.
4. OEM is available
5. Close tolerances.
6. Long service life.
7. Various material choices.
8. 100% whole range inspection.
9. Excellent customer support.
