Place of Origin: | China |
Brand Name: | TOB PTFE Self-Lubrication Bearings |
Certification: | ISO 16949 |
Minimum Order Quantity: | negotiated |
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Price: | negotiated |
Packaging Details: | Cartons and Pallets |
Delivery Time: | negotiated |
Payment Terms: | T/T |
Supply Ability: | negotiated |
Material: | Low-Carbon Steel + Porous Bronze + PTFE | Types: | Wrapped Bushes, Flanged Bearing, Thrust Washer |
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Application: | Printing, Weaving And Tobacco Producing Machines, Gymnastic Equipment, Rock Absorbers, 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 |
High Light: | metric sleeve bearings,self lube bearings |
PTFE Self-Lubrication Multilayer Composite Bearings
Description:
· SF 1W is a new type bushing without lead composition which is developed aiming at increasing demands on environmental protection. Besides it is wide application on general machines
Structure:
1.PTFE with fiber 0.01~0.03mm
2.Porous bronze 0.2~0.3mm
3.Steel backing 0.7~2.3mm
4.Tin-plating 0.005mm or copper plating 0.008mm
Technical:
Load capacity: 140N/mm2 Temperature:-195~+280°C
Speed limit: 5m/s Friction coef(u):0.04~0.20
PV LIMIT (Dry):3.6N/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 1W | OK | OK | OK | OK | BAD | NO | NO | OK |
Application
SF-1W is particularly suitable for food machine, Pharmaceutical machine, tobacco, machine etc.
Quality Control:
MMD-10 Friction & Wear Test:
Type | Time | Test Condition | Friction coef(u) | TEMP. | Wear | ||
Lubricate | Speed | Drang | (°C) | (mm) | |||
SF 1W | 3hr | Dry | 0.4m/s | 3.5N/mm2 | 0.156 | 93 | 0,009 |
SF 1W | 3hr | Oil | 0.4m/s | 3.5N/mm2 | 0.056 | 52 | 0,01 |
Packaging & Delivery
1. Inner Packing: Bubble Bag, Plastic Bag, Anti-rust Paper;
2. Outer Packing: Carton / Wooden Case;
3. According to customers' requirement
Physical and Mechanical Performance
Performance Index | Data | Performance Index | Data | ||
Max. Load | Static Load | 250N/mm² | Friction Coefficient | Grease Lubrication | 0.08~0.20 |
Dynamic Load | 140N/mm² | Oil Lubrication | 0.02~0.07 | ||
Oscillation Load | 60N/mm² | Mating Axis | Hardness | >120 HB | |
Linear Velocity | Grease Lubrication | 2.5 m/s | Roughness | Ra=0.4~1.25 | |
Oil Lubrication | 5 m/s | Working Temperature | -200~+280℃ | ||
Max. PV value | Grease Lubrication | 3.6 N/mm²·m/s | Heat-conducting Coefficient | 40 W/(m*k) | |
Oil Lubrication | 50 N/mm²·m/s | Heat-expansion Coefficient (Axial) | 11*10^-6k |
Tel: +8618967361221
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