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2.2mm Sintered Bronze Bushes Anti Corrosion Bimetal Oilless Bushing

Ningbo WeiWo Electromechanical Tech Co.,Ltd.
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Ningbo WeiWo Electromechanical Tech Co.,Ltd.

2.2mm Sintered Bronze Bushes Anti Corrosion Bimetal Oilless Bushing

Country/Region china
City & Province ningbo
Categories Copper Bars
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Product Details

Bronze bushing with good abrasion and corrosion resist bimetal sliding bushing

 

 

Specifications:

 

Features of Bushing

Maintenance-free!

No lubrication required (PTFE composite)

Minimum wall thickness, minimum space requirements

Accommodation of heavy loads

Wide range of temperatures

Good sliding properties

High wear resistance

 

Description:

 

Oilless bearing (bushing) takes steel plate as a substrate and is a kind of wrapped sliding bearing by

 

agglutinating spherical bronze powder inside the middle part and rolling the mixture of PTFE (PTEE) and

 

lead on the surface. It has the characteristics of small friction coefficient, wear-resisting, corrosion

 

resistance and oil-free lubrication. Using this product can reduce costs, reduce mechanical volume, avoid

 

bearing seizure phenomenon and reduce mechanical noise. The product has been widely applied in the

 

sliding parts of various machinery, such as printing machine, elevator, spinner, tobacco machine, body-

 

building, instrument, hydraulic pressure van, micro electrical machinery, solenoid valve, automobile,

 

motorcycle and farm & forestry machinery and so on.

 

1, Non-oil lubrication or less lubrication

 

2, Low maintenance, with better abrasion resistance

 

3, Low friction index and anti-aging.

 

Roughly introduction:

 

Materials

 

1. PTFE with mixture 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 data

Performance index

data

Max load capacity

Static load

250N/mm2

Dynamic load

140N/mm2

Max sliding speed

Dry friction

2.5m/s

Oil lubrication

5.0m/s

Max PV value limit

Dry friction

3.6N/mm m/s

Oil lubrication

50N/mm2  m/s

Friction coefficient

Dry friction

0.08-0.20

Oil lubrication

0.02-0.07

Working temperature

-195℃~280℃

Thermal conductivity

42W/mk

Coefficient of thermal expansion

11*10-6/k

 

Applications:

 

Heavy vehicle, Agriculture, Industry, gear, pump, factory molds, automobile parts, excavator, tractor,

 

truck, lorry, hydraulic pump and so on.

 

SF-4 Advantages

 

1. Saving copper material, saving labor hours of turning

 

2. Low weight and low cost

 

3. Re-oiling period is prolonged usually to 5 times

 

4. High load capacity and particularly fitted for relatively rough wear, mating surface

 

5. Ready for change, available from stock

 

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