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Metal Polymer Dry Bearings > DU(SF-1W)
Product name: DU
Item No.:

Features

SF-1 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 mixture as surface layer, It is of low friction coefficient, anti-wear, anti-corrosion and can be used without oil, or only a trace of oil if needed. Moreover, it is of low cost, low vibration and low noise, compacted and light, SF-1 is widely applied in various sliding articles of different kind of machines, such as textile machines, tobacoo machines, hydraulic vechicles, antomobiles, agriculture and forests machinese and soon.


Description

Metal-Polymer-Dry-Bearings-DU-DUB-DP4-DH-DX-HX-SS.pdf

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

  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.
 

Standard Parts Available

Cylindrical Bush

Flanged Bush

Thrust Washer

Flanged Washer

Strip / Plate


 


 

Metric

Inch

Metric

Inch

Metric

Inch

Metric

Inch

Metric

Inch


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