DU Type Dry Bush & Bearings



DU and DUB Type Dry Bush & Bearings  (Oil Free) take advantage of the outstanding dry bearing properties of Polytetrafluoroethylene (PTFE) and combines them with strength, stability and good wear resistance, excellent heat conductivity and low thermal expansion. All our Bushings are sold under our "Dev Brand Engine Spares"  Brand

DU Type consists of three bonded layers: 
a steel backing strip and a porous bronze matrix, impregnated and overlaid with the PTFE/ lead bearing material.

1. PTFE           0.01~0.03mm

2. Porous bronze 0.2~0.3 mm

3. Steel / Bronze backing 0.7~2.3 mm

4. Tin-plating  0.005 mm or                           copper plating 0.008mm

DUB Type also consists of three layers: 

Bronze backing replacing the steel backing strip. The structure is otherwise the same as that of DU. The bronze backing provides a high corrosion resistance, anti magnetic properties and a good thermal conductivity.


Standard Cylindrical & Flanged Bush, Thrust & Flanged Washers OR 

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DU Bush, Bearings, Washers etc applications is suitable for:

Rotating Oscillating Reciprocating & sliding movements mainly for

Automotive: Tractors, Combines, Crop Sprayers, Earth-Movers, Graders And Other Construction, Auto Machines, Specific Uses In Power 
Steering Cylinders, Steering Gear Thrust Washers, Disc Brakes, Calipers And Pistons, Shock Absorbers, Governor Linkage, Windshield 
Wiper Motor, Tilt Gear Assemblies, struts, shock absorbers guide bushing, hydraulic cylinders, gear pumps and motors and axial and radial piston pumps and motors. It is designed for use mainly under lubricated lubrications and shows excellent wear resistance, low static and dynamic friction coefficient.

Business Machines: Photocopy Machines, Typewriters, Mail Sorters, Postage Meter Systems, Computer Terminal Printers And Peripheral 
Equipment, Automatic Printing Devices, Mail Processing Machinery...

Hydraulics And Valves: Pumps Including Gear, Rotary, Water, Axial Piston, And Other Types, Ball, Butterfly, Poppet Steam, And Other 
Valves And Valve Trunnions, various kinds of medium, high-pressure gear pump, ram pump, vane pumps plunger pumps 

Home Appliances: Tape Recorders, Refrigerators, Air Conditioners, Cleaners, Polishers, Sewing Machines, Ovens, Dishwashers, Clothes 
Washing Machines...

And Materials Handling, Marine Engine, Packaging, Textile Equipment, Tools...

Characteristics, Advantages & Frictional Properties

Non-Standard Components


Non-standard components are not available from stock.  These products are manufactured to customers' requirements with or without our recommendations, and include for example :

Modified Standard Components - Flange & Plain Bushings, flange  & Thrust washers)
Half Bearings
Flat Components
Deep Drawn Parts

For further detail, & Requirements feel free to Inquire us.


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