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| Categories | Self Lubricating Bearings |
|---|---|
| Brand Name: | TOB PTFE Self-Lubrication Bearings |
| Certification: | ISO 16949 |
| Place of Origin: | China |
| MOQ: | negotiated |
| Price: | negotiated |
| Payment Terms: | T/T |
| Supply Ability: | negotiated |
| Delivery Time: | negotiated |
| Packaging Details: | Cartons and Pallets |
| Material: | Tin-Bronze + Porous Bronze + PTFE |
| Types: | Wrapped bushes, Flanged bearing, Thrust washer |
| Application: | metallurgy machine and casting machines, consecutive casting machines, cemetery machines, spiral transporting machines, etc. |
| Working Temperature: | -200~+280℃ |
| Max. Load: | Static Load 250N/mm², Dynamic Load 140N/mm² |
| Max. PV value: | Grease 3.6 N/mm²·m/s, Oil 50 N/mm²·m/s |
| Company Info. |
| ZHEJIANG TOP BEARINGS CO., LTD. |
| Verified Supplier |
| View Contact Details |
| Product List |
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.
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