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Metal Polymer Dry Bearings

DUB

DU-B, Dry Bearings, Steel backing, With lead / Lead Free

dub bearings


Metal-polymer-composite material

Bronze + porous bronze sinter + PTFE + Pb

Self-lubricating & Maintenance-free

 

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 λ

60

W/mK

Maximum Operating Temperature Tmax

280

°C

Minimum Operating Temperature Tmin

-200

°C

Compressive Yield Strength σc

300

N/mm2

Maximum Static Load Psta,max

140

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

very good

oil lubricated

good

grease lubricated

fair

water lubricated

good

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.

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

Standard Parts Available

Cylindrical Bush

Flanged Bush

Thrust Washer

Flanged Washer

Strip / Plate

dub cylindrical bush

dub flangedl bush

dub thrust washer

dub flanged washer

dub strip

Metric

Inch

Metric

Inch

Metric

Inch

Metric

Inch

Metric

Inch

Download Catalogue DU-B Bearing / DU-B Bushing


Dry Bearing self lubricated

Cli bearing & bushing