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Metal Polymer Dry Bearings > Bush for Gear Pump
Product name: Bush for Gear Pump
Item No.:

Features

1. It is excellent wear resistance and low friction performance in lubricated hydraulic applications.
2. It is excellent in chemical resistance.
3. It is excellent in cavitation and flow erosion resistance.
4. It is good fatigue strength.


Description

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

Physical & Mechanical Properties

Maximum Operating Temperature Tmax

280

°C

Minimum Operating Temperature Tmin

-200

°C

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 Sliding Speed V-oil lubricated

5

m/s

Maximum PV Factor-dry

1

N/mm2 * m/s

Maximum PV Factor-oil lubricated

10

N/mm2 * m/s

Coefficient of friction f-dry

0.04-0.25

-

Coefficient of friction f-oil lubricated

0.02-0.08

-

Usage Range

dry

good

oil lubricated

very good

grease lubricated

good

water lubricated

fair

process fluid lubricated

good

Possible Application


Automotive:
Used in hydrodynamic or boundary lubricating condition of medium or high pressure gear oil pumps such as P=16-25Mpa, V= 3.5-5m/s. It shows the benefit of low friction coefficient, wear resistant and anti-impact properties. At hydrodynamic lubrication, the PV limit reaches to 120N/mm m/s. It is a best choicefor various kinds of gear pumps as well as plunger pumps, vane pumps and so on.
 

Industrial:
Compressors: scroll and reciprocating; pneumatic and hydraulic cylinders, high performance pumps: axial pistons, radial pistons, gears, vanes, etc.
 


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Address: No.71 Xinsheng Development Zone,Jiashan County,Jiaxing City,China
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