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- ADD: No.503,Hunan International Commerce Center, Jintai Square,Changsha 410001,Hunan
- TEL: 86-731-84770165
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- E-mail: sales4@@slide-bearing.com
> DU - PTFE coated bush
DU Oilless Washer
- consisted of a steel backing
- sintered porous bronze particles
- PTFE and mixture as surface layer
- triple layer composites material
- Product description: DU Oilless Washer is wall wrapped bushing made of triple layer composites material which be consisted of a steel backing, a sintered porous bronze particles interlayer and calendared with PTFE and mix
PRODUCT INTRODUCTION
►Possible Application:
Automotive:
McPherson struts and shock absorbers, doors, 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.
►Physical & Mechanical Properties:
Items
Value
Unit
Thermal Conductivity
40
W/mK
Maximum Operating Temperature Tmax
280
°C
Minimum Operating Temperature Tmin
-200
°C
Compressive Yield Strength
350
N/mm2
Maximum Static Load Psta,max
250
N/mm2
Maximum Dynamic Load Pdyn,max
140
N/mm2
Maximum Sliding Speed V-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 f-dry
0.02-0.25
Coefficient of friction f-oil lubricated
0.02-0.12
►Usage Range:
dry
good
oil lubricated
good
grease lubricated
fair
water lubricated
fair
process fluid lubricated
fair
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