Self Lubricating Bushings

About Self Lubricating Bushings

Self-Lubricating Bushings 

Self-lubricating bushings (lubrication free bushings) are made up of one of four basic compositions:

• Strong Cast Bronze with Solid Lubricants
• Bronze Wrapped Bushings
• Bronze Powder with Steel Material
• Sintered Bronze
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Composite Self-Lubricating Bushings 

Self-lubricating bushings are made up of one of two basic compositions;

• PTFE-Based Metal-Polymer Materials
• Thermoplastic-Based Metal-Polymer Materials

Lubrication free bushings are used in applications where extreme agitation of parts and the force of friction to wear on parts. These self-lubricating bushings are able to withstand high temperatures and have high load-bearing tolerances.

Bronze Backed, Bronze With PTFE Series - Metric 

 These Bushings are made of bronze backed with bronze powder PTFE/Pb, are dry bushings, and have the following layers:

1. PTFE/Pb mixture 0.01-0.03mm, provides an excellent initial transfer film, which effectively coats the mating surface of the bushing 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 backing, gives exceptionally high load carrying capacity, excellent heat dissipation. Have very good corrosion resistance.
4. 
   

Steel Bronze With PTFE/Fiber Series - Metric

 These Bushings are made of Steel bronze powder with PTFE/fiber, are dry bushings, and have the following layers:

1. PTFE polymer fibers mixture 0.01-0.03mm are lead-free providing an excellent initial transfer film, which effectively coats the mating surface of the bushing assembly, forming an oxide type solid lubricant film.
2. Sintered bronze powder 0.20-0.35mm, providing maximum thermal conductivity away from the bushing surface, also serves as a reservoir for the PTFE mixture.
3. Steel backing, provides high load carrying capacity, excellent heat dissipation.
4. Copper/Tin plating 0.002mm, provides good corrosion resistance

Steel Shell With POM Plastic Liner - Inch And Metric

 These Bushings very similar to DX brand bushings in structure and are often substituted for DX bushings providing better value. Bushings are made of steel bronze powder with POM and have the following layers:

1. POM 0.3-0.50mm, has high wear resistance and low friction even only minute quantities of lubricant are supplied, this bushing surface carries a pattern of circular indents which should be filled with grease on assembly of the bushing.
2. Sintered bronze powder 0.20-0.35mm, provides max. thermal conductivity away from the bushing surface, also serves as a reservoir for the resin mixture.
3. Low-carbon steel, gives exceptionally high load carrying capacity, excellent heat dissipation.
4. Copper plating 0.002mm providing good corrosion resistance.

Steel Shell, Bronze Powder With PTFE Fiber - Inch And Metric

Metallic Self-Lubricating (Lubrication Free) Bushings

Wrapped Bronze Series - Metric Wrapped Bronze With Thru Holes Series - Metric Cast Bronze With Solid Lubricant Plugs - Metric

Bimetal Wrapped Steel With Bronze Series - Metric

Metal Backed Bronze Powder And Solid Lubricants Series - Metric Metal Backed Bronze Powder And Graphite Series - Metric

Versatile Use Across Industries

Self lubricating bushings are widely utilized in automotive, industrial machinery, and construction equipment, offering reliable performance in challenging environments. Their robust design and maintenance-free operation make them the preferred choice for applications that demand longevity and durability. With flexible sizes and optimized load capacity, these bushings address a wide spectrum of engineering requirements.


Precision Engineering and Durability

Manufactured from bronze or composite with a precision machined finish, these single-row bushings ensure tight tolerances and smooth operation. Their metallic brown/gray color and ISO standard rating reflect superior build quality. The solid lubricant structure enables continuous self-lubrication, greatly reducing wear and extending service life under high-stress conditions.