Solid Bronze Bushing – Reliable Manufacturer & Supplier

Solid Bronze Bearing Is A Composite Of A Certain Metal Substrate And Solid Lubricant, Using The Complimentary Performance Of The Two Materials, It Can Work At High Temperatures, Low Speeds, And Heavy Loads, Not Easy To Form Lubricating Oil Film And Oil Film Failure Of The Harsh Special Conditions, So That Achieve The Purpose Of Oil-Free Self-Lubrication, Slow Wear, And High Life.

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Custom Service
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Application Of Solid Bronze Bushing Bearing

We Deliver Solid Bronze Bushing To Your Machine Component

Solid bronze bushings are used in a variety of mechanical applications to provide support and reduce friction between moving parts.

Automotive Bushing

Automotive Suspension Systems

Bronze Solid bushings are used in the suspension systems of cars and trucks to provide support and reduce friction between the various components. They can be used in control arms, sway bars, and other suspension components.

Custom Machined Parts,CNC Bronze Parts

CNC Machine Tooling

Solid bronze bearings are often used in machine tooling applications to provide support and reduce friction between moving parts. They can be used in drill presses, lathes, and other machine tools.

Agricultural bearings used in agricultural machine

Agricultural Equipment

Our Solid bronze bushings are commonly used in agricultural equipment such as tractors and combine to provide support and reduce friction in various mechanical components.

oilles bearing used in Conveyor Belts

Conveyor Systems

used in conveyor systems to provide support and reduce friction between the various components, such as rollers and idlers.

Gas Turbine Engines

Electric Motors

Solid bushings are used in electric motors to support and reduce friction between the various rotating components, such as the shaft and bearings.

grooved bushing used in excavator

Excavator Bushing

Excavator bushings are that they can operate under harsh conditions, such as high loads, high temperatures, and dusty or dirty environments.

What Is A Solid Lubricant Bronze Bushing?

A solid lubricant bronze bushing is a type of bushing that embedded a solid lubricant material into its structure to reduce friction and wear between moving components. Unlike traditional lubricants, which are liquid or semi-liquid and require a continuous application, solid lubricants are incorporated into the material of the bushing and provide long-lasting lubrication even under extreme conditions.

solid lubricant bearings offer several advantages, including continuous lubrication, reduced maintenance, and enhanced resistance to contamination and extreme conditions. These properties make them suitable for a wide range of applications, including those with difficult access or safety concerns related to traditional bearing maintenance.

Solid Bronze Bushing

How To Make A Solid Bronze Bushing?

Solid bronze bushings are commonly used in various industrial applications to support rotating shafts or other moving components.

  • The first step is to select the appropriate bronze alloy for the application. Different bronze alloys have varying properties such as strength, corrosion resistance, and wear resistance, so the selection of the right alloy is critical to the performance of the bushing.
  • cast the bronze bushing. The casting process involves melting the bronze alloy and pouring it into a mold to create the desired shape of the bushing.
  • After casting, the bushing is typically machined to achieve the final dimensions and tolerances required for the application.
  • heat treated to further improve its properties. Heat treatment can increase the strength and wear resistance of the material, making it more suitable for demanding applications.
  • Finally, the bushing may undergo various finishing processes to improve its surface finish and prepare it for installation.

Types Of Bronze Solid Bushing

There are several types of bronze solid bushings

  • Plain bronze bushings: These are solid bushings made of casting bronze, typically containing copper, tin, and small amounts of other elements. good corrosion resistance and wear resistance.
  • Oil-impregnated bronze bushings: These are bronze bushings that have been impregnated with oil, typically through a process called sintering. The oil helps to lubricate the bushing, reducing friction and wear. Oil-impregnated bronze bushings are often used in applications where high load capacity and low friction are required, such as in automotive engines, industrial machinery, and agricultural equipment.
  • Graphite-plugged bronze bushings: These are bronze bushings that have been impregnated with graphite, which acts as a solid lubricant.
  • Phosphor bronze bushings and Aluminum bronze bushings
graphite Solid Bronze Bushing

solid bronze bushing

Solid Lubrication | Custom Service

According to different working conditions such as high temperature, low temperature, corrosive media, etc., Choose your bearing matrix and solid lubricant.

Applications of Solid Bronze Bushings

  • In the automotive industry, solid bronze bushings are used in various components such as suspension, steering, and transmission systems. They provide a durable and wear-resistant bearing surface that can withstand the harsh operating conditions encountered in automotive applications.
  • Aerospace applications demand high-performance materials that can withstand extreme temperatures, pressures, and corrosive environments. Due to their excellent mechanical properties and corrosion resistance, solid bronze bushings are used in various aerospace components, such as landing gear, actuators, and engine components.
  • The marine industry uses solid bronze bushings in applications such as propeller shafts, rudder assemblies, and winches. They offer exceptional resistance to seawater corrosion and wear, making them ideal for the demanding marine environment.
oilless Solid Bronze Bushing
Solid Bronze Bushing

Benefits of Using Solid Lubricant Bearings

Here are some key properties and advantages of solid lubricant bearings based on the search results:

  • Lubrication for Life: Solid lubricant bearings are lubricated for the life of the bearing and do not require relubrication, making them a “lube-for-life” option.
  • Contamination Resistance: They are designed to block out contaminants, preventing premature bearing failure caused by the circulation of contaminants with the grease in traditional bearings.
  • Reduced Maintenance: Solid lubricant bearings simplify bearing maintenance, making operations more efficient and cost-effective by eliminating the need for regular relubrication.
  • Corrosion Resistance: Some solid lubricant materials are formulated with corrosion inhibitors, enhancing their performance in extreme environments
  • Temperature Performance: They offer high and low temperature performance, with some formulations capable of operating in temperatures as low as -65°F (-54°C) and as high as 350°F (177°C)
  • Reduced Friction: Solid lubricant bearings can reduce internal friction, which in turn reduces start-up torque, even at low temperatures

The Different Types Of Solid Lubricant Bearings Available

Types of solid lubricant bearings available in

  • Bearings with Solid Grease: These bearings contain solid grease, which is a lubricant essentially composed of lubricating grease and is suitable for various applications, including deep groove ball bearings, small diameter ball bearings, and bearing units.
  • Bearings with Solid Oil: We offers bearings with Solid Oil, which are lubricated for the life of the bearing and cannot be relubricated. Solid Oil is an oil-saturated, polymer material molded into the bearing
  • Self-Lubricating Plain Bearings: These bearings are available as bushes, plate, flanged bushing, and special sizes materials. They are a greaseless, maintenance-free solution with an extended service life, providing superior performance and lower cost of ownership without the need for traditional lubrication
  • solid grease bearings contain lubricating oil in a porous synthetic resin and can be used for all types of needle bearings. They are suitable for temperatures from -15 to +80°C and are welcomed in clean plants, especially in the food industry and in operations where traditional lubrication is not possible.
types of Solid Bronze Bushing
self lubricating solid bushings

Material Design For Oilless Solid Bushing 

As the metal matrix bears the load, embedded in the solid lubricating material to play the role of friction reduction lubrication, the Oilless solid bushing requirements of the metal matrix mechanical strength and good adaptability, good thermal conductivity, low coefficient of expansion, and good wear resistance. The metal matrix material range is wide, such as tin bronze, manganese bronze, high-strength brass, cast iron, stainless steel, lead-based alloys, etc., and their Mechanical properties and the use of working conditions are characterized as follows.

Phosphor bronze bushing

This type of bronze contains phosphorus as an alloying element, which improves its strength, stiffness, and wears resistance. Phosphor bronze is often used in springs, electrical contacts, and other applications where strength and durability are important.

Silicon bronze

Silicon bronze contains silicon as an alloying element, which makes it highly resistant to corrosion and oxidation. It is often used in marine applications, as well as in sculpture and architecture.

Aluminum bronze bushing

Aluminum bronze solid bushing contains aluminum as an alloying element, which gives it excellent strength, corrosion resistance, and heat resistance. Aluminum bronze is often used in aerospace and marine applications, as well as in bearings and other mechanical components.

Manganese bronze solid bushing

Manganese bronze contains manganese as an alloying element, which gives it high strength, toughness, and wears resistance. It is often used in heavy-duty applications such as gears, bearings, and bushings.

Tin bronze bushing bearing

Tin bronze is a type of bronze that contains high levels of tin as an alloying element, which gives it excellent corrosion resistance and strength. It is often used in bearings and other applications where high strength and durability are important.

Solid Bushing Material

Metal Substrate

Mechanical PropertiesCharacteristics Of

Use Conditions
Tensile strength



Cast iron>150120~170Low load, high temperature

>250 ℃
Tin bronze category>200>1560~80Medium load, high temperature

<350 ℃
High strength brass>770>12>210Good load-bearing capacity
Stainless steel class450~55030~50120~180Corrosion resistant
Lead-antimony alloy class50~805~815~25Drug-resistant

Solid Bronze Bushing Size

Inner Diameter (ID) | Outer Diameter (OD) | Length

0.25 inch (6.35 mm) | 0.375 inch (9.525 mm) | 0.5 inch (12.7 mm)

0.375 inch (9.525 mm) | 0.5 inch (12.7 mm) | 0.75 inch (19.05 mm)

0.5 inch (12.7 mm) | 0.625 inch (15.875 mm) | 1 inch (25.4 mm)

0.75 inch (19.05 mm) | 0.875 inch (22.225 mm) | 1.25 inch (31.75 mm)

1 inch (25.4 mm) | 1.25 inch (31.75 mm) | 1.5 inch (38.1 mm)

1.25 inch (31.75 mm) | 1.5 inch (38.1 mm) | 2 inch (50.8 mm)

Solid Bronze Bushings: The Key to Your Equipment’s Durability


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