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High Quality Gear Pump Bushing Metal Polymer Composite Bearing PTFE Bronze Steel Bush

High Quality Gear Pump Bushing Metal Polymer Composite Bearing PTFE Bronze Steel Bush

High Quality Gear Pump Bushing Metal Polymer Composite Bearing PTFE Bronze Steel Bush Metal-Polymer Composite Material Steel Backing + Porous Bronze Sinter + PTFE + Solid Lubricant

Product Details


High Quality Gear Pump Bushing Metal Polymer Composite Bearing PTFE Bronze Steel Bush


Product Advantages:

1)Good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions. 

2)Very good performance in lubricated applications particularly in marginally lubricated applications. 

3)Suitable for linear, oscillating and rotating movements. 

4)Lead-free material match RoHS specifications.


AVAILABILITY

Bearing forms made to order: standard forms in special dimensions, half-bearings, special shapes obtained by stamping or deep drawing, bearings with locating notches, lubricant holes and machined/stamped grooves, customized bearing designs


TRUCTURE AND COMPOSITION

  • Metal-Polymer Composite Material 

  • Steel Back + Porous  Bronze Sinter +

  • PTFE + Solid Lubricant



MICROSECTION

microsection of metal-polyer anti-friction plain bearing.png

Sliding layer

PTFE + Solid Lubricant

Porous Bronze Sinter

Steel Backing

 


OPERATING PERFORMANCE
DryGood
Oil lubricatedGood
Grease lubricatedFair
Water lubricatedNot recommended
Process fluid lubricatedFair




BEARING PROPERTIES

GENERAL
UnitValue
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

250

140

Operating temperature

Min

Max

°C

°C

- 200

280

Coefficient of linear thermal expansion

Parallel to the surface

10-6/K

11

Normal to the surface10-6/K30
DRY


Maximum sliding speed, U
m/s

2.5

Maximum pU factor

N/mm2 x m/s

1.0

Coefficient of friction

0.03 - 0.25 *

OIL LUBRICATED


Maximum sliding speed, U
m/s

5.0

Maximum pU factor
N/mm2 x m/s

10.0

Coefficient of friction

0.02 - 0.08

RECOMMENDATIONS


Shaft surface roughness, Ra

Dry

Lubricated

µm

µm

0.3 - 0.5

≤ 0.05 - 0.4 *

Shaft surface hardnessUnhardened acceptable, improved bearing life > 200HB



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Among those professional high quality gear pump bushing metal polymer composite bearing ptfe bronze steel bush manufacturers in China, welcome to buy customized and low price high quality gear pump bushing metal polymer composite bearing ptfe bronze steel bush or get its free sample from our factory.
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