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DU-B PTFE coated bronze bush

DU-B, PTFE Coated Dry Bearings, Bronze backing

DU B bushing, DU bronze bush


 Metal-polymer-composite material
 Bronze + porous bronze sinter + PTFE + (Pb or without Pb)
 Self-lubricating & Maintenance-free
 Available in sleeve, flanged, washer, strip, plate

 


■ Features


1. DUB dry bearings material has very good wear and friction performance over a wide range of loads, speeds and temperature conditions.
2. DUB dry bearings material also performs well with lubrication.
3. DUB dry bearings material ( bronze backing ) provides improved corrosion resistance compared with DU dry bearing material.
4. DUB dry bearings material is antimagnetic.
5. DUB dry bearings material approved according to EN1337-2 standard for structural bearings for German engineering applications.

■ Physical & Mechanical Properties

 Items

Value

Unit

Thermal Conductivity 

18

W/mK

Maximum Operating Temperature

280

°C

Minimum Operating Temperature

-200

°C

Compressive Yield Strength

300

N/mm2

Maximum Static Load 

140

N/mm2

Maximum Dynamic Load 

140

N/mm2

Maximum Sliding Speed -dry

2.5

m/s

Maximum PV Factor-dry, continuous operation

1.8

N/mm2 * m/s

Maximum PV Factor-dry, intermittent operation

3.5

N/mm2 * m/s

Coefficient of friction -dry

0.02-0.25

 

Coefficient of friction -oil lubricated

0.02-0.12

 

■ Usage Range

 dry

very good

oil lubricated

good

grease lubricated

fair

water lubricated

good

process fluid lubricated

fair

■ Possible Application


Automotive:

Struts and shock absorbers, door hinges, bonnets and tailgate hinges, steering columns, clutches, gearbox selector fork guides, wiper arms, power steering pumps, pedal bushes, ABS equipment, etc.

Industrial:
Aerospace, agricultural equipment, construction equipment, material handling equipment, forming machines-metal, plastic and rubber, office equipment, medical and scientific equipment, packaging equipment, pneumatic and hydraulic cylinders, pumps and motors, railroad and ramways, textile machinery, valves, etc.


Others:

Marine and offshore equipment, other applications in water or in outdoor environments.


Other products for your reference:

 

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