The flanged copper cylindrical polymer plain bearings with tin plating are a type of high-performance bearing designed for various industrial applications. These bearings feature a copper alloy base with a polymeric lining, providing excellent wear resistance and low friction properties. The flanged design adds stability and rigidity, ensuring a secure fit within the housing. The tin plating further enhances corrosion resistance and durability, making these bearings suitable for use in harsh environments. Whether used in machinery, automotive components, or other industrial settings, these bearings offer reliable performance and extended service life.

Flange Bush Bearing Copper Cylindrical Tin Plating, 

BUSHINGS-BUSHING 80X85X80 DU-B (267513000) PARTS OF CONCRETE PUMPS
Self-lubricating Composite Bronze bushings, bronze backing sleeve bushing, Cylindrical Bushes - Metric Size

Bush Bearing Copper Cylindrical Bearings

bronze backing bushing, bronze PTFE bush,PTFE coated bronze bushing,oilless bronze bearing.

Specifications

Plain Sliding Bearings, Self Lubricated Wrapped Bushes

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Bushings, or plain bearings, operate with sliding motion between the moving surfaces. Bushings are selected based on the rotating speed and the applied load. Most bushings do not require additional lubrication to operate.

Self-lubricating PTFE bronze composite bushings consist of a PTFE layer sintered on a brown strip. These bushings are corrosion resistant and suitable for high temperature applications that can be made without the use of oil requiring long duty cycles.

This type of self-lubricating bearing is used in the radial or axial direction, especially in the steel and cement industries. Self-lubricating PTFE-bronze composite bushings can be used in panels as bridge supports, since the thick sliding layer on the inner surface can withstand loads of up to 140 N / mm².

Sintered Bronze PTFE Composite Material - maintenance-free

Plain & Self-Lubricating Bearings(Bushing Material:Sintered Bronze with PTFE)

Bronze backed with bronze powder PTFE dry bushing materail layer

• Sliding layer PTFE+ Lead

• Porous Bronze Sinter

• Bronze Backing

1. PTFE / Pb 0.01 ~ 0.03mm mixture, provides an excellent initial transfer film, which effectively covers the contact surface of the socket assembly, forming an oxide type solid lubricant film.
2. sintered bronze powder 0.20-0.35mm, provides max. thermal conductivity away from the bushing surface, also serves as a reservoir for the PTFE-lead mixture.
3. Bronze bracket, gives exceptionally high load capacity, excellent heat dissipation. Have very good corrosion resistance.

Bronze+Sintered bronze+PTFE material

• Metal-Polymer Composite Material
• Bronze Back + Porous Bronze Sinter + PTFE + Lead

Bronze Backed PTFE Bushing Technical Date

Metal-Polymer Bronze Backed PTFE Plain Bearing Du-B Bushing Characteristics

DU-B Composite Plain Bearing Dry type composite plain bearings are mainly used in bearing assemblies where heavy loads have to be carried and where rotational or oscillatory movements are relatively slow.

• Very good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions
• Suitable for lubricated applications
• Suitable for linear, oscillating and rotating movements
• Bronze back offers improved corrosion resistance in humid/saline environments

Availability

Self-lubricating Bearing forms available in standard dimensions

• Cylindrical bushes
• Flanged bushes
• Sliding plates
• Thrust washer

Self-lubricating Bearing forms made to order: standard forms in special dimensions, thrust washers, flanged thrust washers, half-bearings, special shapes obtained by stamping or deep drawing, customized bearing designs.

025550008 95*90*60 DU-B
222484006 65*60*40 DU-B
066586005 130*91*2 Thrust Washer
WAI 100236 245*240*30
WAI 100237 100*95*60
B175022 105*100*50 DU-B

Operating Performance

Plain Bearing Properties

* Depending on operating conditions

Application areas

This type of bearing is used radially or axially, particularly in the steel and cement industries.

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 equipment cylinders, pumps and motors, railways and tramways, textile machines, valves, etc.

Other: marine and offshore equipment, other applications in water or in outdoor environments

Bronze Backed PTFE Bushing Typical Applications

It can meet the demanding criteria of long life and trouble-free performance with or without lubricant, especially for high chemical resistance requirements.

The Bronze Backed PTFE bushing is widely used in steel metallurgy in applications such as roller groove bushings of later casting machines, concrete injection pumps and screw conveyors for concrete. They can also be made of steel housings or be transformed into flanged bushings that can move in both radial and axial directions.

The Bronze Backed PTFE bushing is particularly suitable for high temperature environments where no oil is efficient and the machine must operate under consecutive long term conditions.

Bronze Backed, Bronze With PTFE Material - Metric

Straight Bushings, Flanged Bushings, Washers and Strip - Metric