Bushings bronze & Bronze Bearings Materials, Custom Bronze Bushings & Components Machined to Your Specifications

Bearing Bronze Solutions – Tailored for Efficiency & Strength

Bronze Bushings, Bearings, and Custom Machining

Custom Parts: Custom-machined bronze components are available. We offer a wide range of bushings, bearings, and related parts tailored to your specifications.

Standard and Custom bushing Bronze Parts

Standard and Custom Parts — Extensive Inventory Of Sizes. Buy Direct Bushings Bronze.

Bushings Bronze

Discover traditional metals and liners, alongside advanced technology machined liners for the most demanding applications. Utilizing corrosion-resistant materials and sliding bearing technology, our solutions provide reduced wear and extended lifespan, even in extreme environments.

Types:

Materials:

Precision: Precision tolerances available with machined bushings and bearings.

Typical Applications Include:

  • Industrial
  • Agricultural
  • Marine

 

CAST BRONZE1
bronze lube bushings
Tin Bronze

Bronze Bushings are available in different alloys and compositions.

Tin Bronze Alloys: Known for their strength. (e.g., RG7， C90300, C90500)

CAST BRONZE2
centrifugal cast bronze self-lubricating bushing bearings
Leaded Bronzes
Leaded Tin Bronze Alloys: Valued for antifriction and machinability properties. (e.g., C93200, C93400)
CAST BRONZE4
bronze graphite bushings, centrifugal cast bronze self-lubricating bearings
High Leaded Tin Bronze alloys
High Leaded Tin Bronze Alloys: Enhanced lubrication and machinability. (e.g., C93800, C94300)
CAST BRONZE3
centrifugal cast bronze self-lubricating bearings
Aluminum Bronze Alloys
Aluminum Bronze Alloys: High strength and excellent corrosion resistance. (e.g., C95400, C95500)
6 2
centrifugal cast bronze self-lubricating bushing bearings
Special Bronze Alloys
Manganese Bronze Alloys: High strength and good corrosion resistance, (e.g., C86300, C86500)

Type Of Bearing

Bearing Bushing Bronze

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ASTM Bushings Bronze And Bearings

Bearing bronze alloys according to ASTM B505, ASTM B271 & ASTM B22

EN 1982 Bronze

Bearing bronze alloys according to EN 1982 standard

oilless bush catalogue pdf

Cast Bronze Bushings, Bushing Bronze Type

Hard and strong, bronze bearings are known for their long lifespans and resistance to shock, impact, wear, and corrosion.

They require an external lubricant during installation and operation to reduce friction and wear.

Bushing Bronze
Straight Metric Sleeve Metric Thrust
Thrust Metric Flanged Flanged
Provides innovative solutions to customers in a variety of specialized industries where in-depth knowledge is essential.

Bushing Bronze and Bearing Material – Sleeve & More, Bronze Bushing (Straight & Flange) – Inch size

We offer a wide selection of high-quality bushing bronze metric and inch ID bronze bushings. Shop now.

Bushing Bronze is a versatile and popular bearing material suitable for various applications. Its diverse range of alloys and compositions offers numerous beneficial properties. Bronze sleeve bushings or bronze bearings are known for their strength, durability, and corrosion resistance.

Tin Bronze Alloys

Tin bronze alloys are commonly used to manufacture bronze bushings. Some of the most common tin bronze alloys include CuSn6, CuSn8, and CuSn10. These alloys are known for their excellent corrosion resistance and wear resistance, making them suitable for various applications such as bearings, gears, and valves. Please note that the information provided is for reference only; consult a professional before use.

Bushing Bronze Design
Bushing Bronze Bearing

custom manufacturing of Bushing Bronze and self-lubricating Shoulder Bushings – Solid Bronze

Both bronze and brass are copper-based alloys that contain various other elements, and they are often referred to as “red metals” due to their reddish color. Bronze bushings are harder and stronger than brass bushings, which are softer and more prone to deformation or breaking.

Bushing Bronze Custom Features:

  • Central groove on the outside
  • Spiral groove in the bore
  • Hole in the middle for lubrication

Bushings Bronze Range of Properties

Bronze bearings provide exceptional mechanical properties in a variety of demanding operating and environmental conditions

Custom Parts Services and Prototyping！

Special Bronze Alloys And Aluminium Bronze Bearing， Search Our Material Alloy

  • Spherical bearings bronze rod end

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  • Graphite Copper Bearings

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  • Drilling Oilless Plates

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The Future of Solid Bushing Bronze in Engineering and Design

About us

Solid Bronze Straight Bushing and Flanged, Custom Parts

Bronze Bushings Materials: Bronze bushings come in a variety of alloys and compositions!

offers a broad range of sizes, forms and materials in Bushing bronze and bimetallic bearings.

ASTM Bronzes parts

Bronzes that comply with the ASTM B505 and B271 standard
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EN 1982 Bronze Bearing

Range of bronze bearing from the European Standard EN 1982.
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Do Bronze Bushings Need Grease?

Yes, bronze bushings require an external lubricant, typically oil or grease.

The lubricant enhances sliding properties, reduces wear, prevents corrosion, and extends the service life of the bushings.

PROPERTIES

Including:

  • Strength
  • Excellent resistance to wear and corrosion
  • Low friction
  • Shock and impact resistance
  • Durability
  • High load capacity
  • Wide temperature range
  • Cost-effectiveness

Additionally, bronze is recyclable, making it a sustainable material choice.

Installation & Maintenance of Bronze Bushings

Proper assembly and maintenance of bronze bushings are essential for their performance and durability.

Selecting the appropriate lubricant is crucial and should be based on the operating conditions, including load, speed, and temperature.

Bronze Bushings by Types

Bronze bushings can be manufactured in various shapes and dimensions, including:

  • Cylindrical Bearings (Sleeve Bearings): Used to reduce friction and vibration under heavy loads and high temperatures.
  • Flanged Bearings (and Double Flanged Bearings): Typically used for light-duty applications.
  • Thrust Bearings (Thrust Washers): Offer easy assembly, high load capacity, and resistance to harsh environments.
  • Plates
  • Pintle Bearings

Bushings Bronze and Bearings

Bronze bushings and bearings are commonly used in high-load, low-speed, and heavy-duty applications. They are essential components in a wide range of industries, including:

  • Agriculture
  • Automotive: Sway bars, control arms, vehicle suspension components
  • Construction
  • Energy: Gearbox assemblies and yaw mechanisms in wind turbines, turbine shafts in hydroelectric power plants
  • Food Processing
  • Industrial: Pivot points, rotating shafts
  • Offshore
  • Pumps
  • Steel Manufacturing

Bronze Bushing Alloy Families

Bronze bushings come in various alloy families, each offering specific properties tailored for different applications:

  • Tin Bronze: These alloys provide excellent strength and are commonly used for general-purpose bushings and bearings.
  • Leaded Tin Bronze: Known for improved antifriction properties and machinability. A popular alloy in this category is C93200 (SAE 660), renowned for its excellent wear performance against steel journals and ability to tolerate interrupted lubrication.
  • High Leaded Tin Bronze: Alloys like C93800 offer enhanced lubrication and machinability properties, often used in applications requiring better pressure tightness.
  • Aluminum Bronze: These alloys provide high strength and excellent corrosion resistance, making them ideal for marine applications and heavy-duty bearings.
  • Manganese Bronze: Alloys such as C86300 (SAE 430B) offer high strength and corrosion resistance, typically used for heavy-duty applications in steel mills, the wood pulp industry, and earth-moving machinery.

Each bronze alloy family has unique characteristics that make them suitable for specific operating conditions. Some are better for high-load, low-speed applications, while others excel in corrosive environments or high-temperature settings. The choice of bronze bushing material depends on factors such as load, speed, temperature, lubrication requirements, and environmental conditions of the application.

Bronze bushings can be manufactured using two primary methods: sintered bronze and cast bronze. Each method results in bushings with distinct properties and applications.

Sintered Bronze Bushings

Manufacturing Process:

  • Powder Metallurgy: Sintered bronze bushings are made by pressing bronze powder into a desired shape and then heating it to bond the particles without melting the metal. This process creates a porous structure that can be impregnated with oil.
  • Oil Impregnation: The porous structure is filled with lubricating oil, making these bushings self-lubricating.

Properties:

  • Self-Lubricating: Due to the oil impregnation, these bushings require minimal maintenance.
  • Wide Temperature Range: They can operate effectively across a broad temperature spectrum, typically from 10°F to 220°F.
  • High Load Capacity: Suitable for applications with heavy loads and high sliding velocities.
  • Cost-Effective: The powder metallurgy process is economical, especially for high-volume production.

Applications:

  • Ideal for high-frequency or high-speed applications where continuous lubrication is needed.
  • Commonly used in automotive components, household appliances, electric tools, and industrial machinery.

Cast Bronze Bushings

Manufacturing Process:

  • Casting: Cast bronze bushings are made by pouring molten bronze into molds, which can be either continuous or centrifugal. The solidified bronze is then machined to the desired dimensions.
  • Machining: The cast bars are machined using CNC lathes or other techniques to achieve precise shapes and sizes.

Properties:

  • High Strength and Durability: Cast bronze bushings have a fine grain structure, making them stronger and more durable than sintered bronze bushings.
  • Corrosion Resistance: They are highly resistant to corrosion, making them suitable for wet environments.
  • Excellent Machinability: They can be machined to high precision, ensuring a high-quality surface finish.
  • Impact Resistance: They can withstand medium to heavy loads and impact forces.

Applications:

  • Suitable for medium to heavy loads, impact, and high-temperature applications.
  • Commonly used in machinery, hydraulic cylinders, lifting equipment, pumps, and earth-moving equipment.

Comparison

Feature Sintered Bronze Bushings Cast Bronze Bushings
Manufacturing Process Powder metallurgy and sintering Casting and machining
Self-Lubricating Yes (oil-impregnated) No (requires external lubrication)
Strength Moderate High
Durability Good, but less than cast bronze Excellent
Corrosion Resistance Moderate High
Cost Generally lower due to economical production Higher due to more complex manufacturing
Applications High-speed, high-frequency, and self-lubricating requirements Heavy loads, impact, and high-temperature environments

In summary, sintered bronze bushings are ideal for applications requiring self-lubrication and cost-effective solutions, while cast bronze bushings are better suited for heavy-duty applications requiring high strength, durability, and corrosion resistance. The choice between the two depends on the specific requirements of the application.

Maintenance Free, Bearing Bushings Bronze Components

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QAL9-4 brass bushings
Special Bronze Alloys， Manufacture of Bronze Parts

Composition and Properties of Tin Bronzes

Tin Content: Tin is the key component in tin bronzes, typically comprising 8-12.5% of the alloy. Its presence notably enhances the strength and hardness of the alloy compared to pure copper.

Copper Base: Copper constitutes approximately 87% of the alloy, providing excellent conductivity and corrosion resistance, which are advantageous for numerous applications.

Additional Elements:

  • Lead: Integrated to enhance anti-friction properties, making the alloy particularly suitable for bearings and other applications where friction reduction is crucial.
  • Zinc: Increases the strength and wear resistance of the alloy.
  • Phosphorus: Boosts machinability and can also strengthen the alloy.

Applications of Tin Bronzes in Bearings

Tin bronzes are highly valued in bearing applications due to their robust combination of strength, wear resistance, and favorable frictional properties. Specific applications include:

  • Plain Bearings: Often utilized in devices that mitigate friction between moving parts.
  • Bushing and Sleeve Bearings: Employed where a smooth surface is necessary to minimize friction and wear.
  • Gear Components: The strength and durability of tin bronzes are ideal for gears subjected to heavy loads, ensuring reliable operation over extended periods.
  • Pump Bodies and Structural Parts: Useful in components exposed to high loads and corrosive environments.

Standards and Specifications

Tin bronzes are manufactured in accordance with various international standards, such as the EN 1982 standard. Examples of tin bronze alloys conforming to this standard include:

  • CuSn5Zn5Pb5 (CC491K): Known for its high durability and tensile strength, this alloy is ideal for heavily loaded machine parts and high-speed machine friction components.
  • EN 1982 CC491K, CuSn5ZnPb5-C: Also referred to as red metal, this alloy is favored for applications requiring excellent bearing properties and wear resistance.
  • CuAl10Fe5Ni5 (CC333G): Although not a traditional tin bronze, this alloy is recognized under the EN 1982 standard and is suitable for parts operating under extreme load and tension, thanks to its superior corrosion resistance.

In conclusion, tin bronzes offer a versatile range of properties making them excellent for bearing applications. Their well-defined composition and compliance with international standards like EN 1982 enable them to meet the diverse demands of various industrial uses where high strength, wear resistance, and effective friction management are essential.

Composition of Leaded Bronzes

Leaded bronzes are primarily composed of copper, tin, and lead. Typically, the lead content ranges from 4 to 10%, enhancing the alloy’s lubricity under dry or boundary lubrication conditions. Tin, which usually constitutes 8 to 12% of the alloy, bolsters the strength and hardness of the bronze.

Properties of Leaded Bronzes

  • Self-Lubrication: Lead imparts a smooth, low-friction surface to the alloy, enabling operation with minimal external lubrication.
  • Improved Wear Resistance: These bronzes are noted for their robust wear resistance, essential for the durability of bearings and other mechanical components.
  • High Strength and Fatigue Resistance: The synergy of copper and tin endows the alloy with considerable strength and fatigue resistance, suitable for enduring heavy loads and repetitive stress cycles.
  • Corrosion Resistance: Leaded bronzes also demonstrate commendable resistance to corrosion, making them apt for harsh environmental conditions.

Applications of Leaded Bronze Bearings

  • Heavy Machinery Bearings: The self-lubricating properties of leaded bronzes make them ideal for bearings in heavy machinery such as industrial pumps, compressors, and gears.
  • Automotive and Transportation: These bearings are utilized in various automotive applications, including wheel bearings, valve lifters, and suspension components.
  • Marine and Offshore Equipment: Their corrosion resistance makes leaded bronzes suitable for marine and offshore applications, where they face exposure to saltwater and other corrosive elements.
  • Industrial Machinery: Leaded bronze bearings find extensive use in industrial machinery across sectors such as textiles, printing, and food processing, where consistent performance is crucial.

Environmental Considerations and Alternatives

The environmental and health impacts of lead have led to scrutiny over its use in bronze alloys. With lead recognized as a toxic substance, efforts are increasing to phase it out or restrict its use. This has spurred interest in developing alternatives such as bismuth bronze, which offers similar self-lubricating properties without lead. Additionally, alloys based on aluminum and zinc are being explored as potential substitutes for leaded bronzes.

Composition and Properties of CuSn7Zn4Pb7

Composition:

  • Copper (Cu): As the foundational metal, copper comprises the majority of CuSn7Zn4Pb7, offering excellent conductivity and corrosion resistance which underpins the alloy’s performance.
  • Tin (Sn): Tin, making up about 7% of the alloy, enhances its strength and hardness, which are critical for the alloy’s durability and resistance to wear.
  • Zinc (Zn): The inclusion of zinc not only improves the alloy’s casting characteristics but also augments its strength.
  • Lead (Pb): At approximately 4%, lead boosts the alloy’s machinability and imparts superior bearing qualities, such as self-lubrication under certain operational conditions.

Performance Characteristics:

  • High Strength and Hardness: The synergy of copper, tin, and lead provides substantial strength and hardness, crucial for enduring heavy loads in bearing applications.
  • Wear Resistance: CuSn7Zn4Pb7 is noted for its exceptional wear resistance, ideal for plain bearings subjected to consistent friction and movement.
  • Self-Lubricating Properties: Lead content facilitates self-lubrication, reducing reliance on external lubricants and enhancing performance in dry or boundary lubrication scenarios.
  • Corrosion Resistance: This alloy boasts significant resistance to various forms of corrosion, making it suitable for harsh environments.

Applications in Heavy-Duty Environments:

  • Industrial Machinery: Due to its robustness and wear resistance, the alloy excels in heavy machinery such as pumps, compressors, and gears, ensuring dependable operation.
  • Automotive Industry: Utilized in components like wheel bearings and transmission parts, CuSn7Zn4Pb7 supports high durability and load-bearing demands.
  • Marine and Offshore Equipment: Its corrosion resistance proves invaluable in marine settings, safeguarding equipment against the rigors of saltwater and extreme conditions.
  • Renewable Energy: The alloy’s properties make it apt for renewable energy technologies, such as wind turbines and solar panels, where long-term reliability is essential.

Conclusion: CuSn7Zn4Pb7, a leaded tin bronze, is excellently suited for plain bearings in demanding applications. Its blend of strength, wear resistance, self-lubrication, and corrosion resistance renders it an optimal material for environments where high performance and longevity are critical.

While leaded bronzes are effective bearing materials known for their self-lubrication, wear resistance, and strength, the industry is actively pursuing alternative materials. These alternatives aim to replicate the performance benefits of leaded bronzes without the environmental and health risks associated with lead.

Composition of Aluminum Bronzes

Aluminum bronzes are distinguished by their high aluminum content, which typically ranges from 6% to 12%. The base of the alloy is predominantly copper, which enhances the overall properties of the alloy. To improve performance, small quantities of other elements such as iron, nickel, or manganese may be included.

Properties of Aluminum Bronzes

  • High Strength and Hardness: Aluminum bronzes are noted for their robust strength and hardness, making them ideal for bearing materials that need to endure heavy loads and abrasive conditions.
  • Corrosion Resistance: These alloys excel in corrosion resistance, particularly in marine environments where they are exposed to saltwater and other corrosive agents.
  • Wear Resistance: The inherent hardness and composition of aluminum bronzes enhance their wear resistance, essential for bearings and components subjected to friction.
  • Machinability: Aluminum bronzes are often highly machinable, facilitating the fabrication of complex parts with precision.
  • Thermal Conductivity: These alloys also possess good thermal conductivity, advantageous in applications requiring effective heat dissipation.

Applications of Aluminum Bronze Bearings

  • Marine Equipment: Their corrosion resistance makes aluminum bronze bearings suitable for marine use, such as in propellers, shafts, and other subsea components.
  • Industrial Machinery: Given their strength and wear resistance, these bronzes are preferred in industrial machinery for gears, bushings, and bearings under heavy loads.
  • Aerospace Components: Aluminum bronzes are valued in aerospace for components like bushings and bearings, where high strength and fatigue resistance are crucial.
  • Automotive Industry: These bearings are employed in various automotive applications, including wheel bearings, benefiting from their self-lubricating properties and resistance to wear.
  • Electronics and Electrical Equipment: The thermal conductivity of aluminum bronzes is beneficial in the electronics and electrical sectors, aiding in heat dissipation for optimal functioning.

Popular Aluminum Bronze Alloys

  • C954 Aluminum Bronze: Known for its excellent tensile and yield strength, ductility, weldability, and machinability, C954 is widely used where strength and corrosion resistance are required.
  • C95500 Aluminum Bronze: This alloy offers properties similar to C954 but with a slightly higher aluminum content, enhancing its corrosion resistance and strength.
  • C95200 Aluminum Bronze: Renowned for its superior bearing properties, C95200 is frequently chosen for applications demanding high load capacity and wear resistance.

In summary, aluminum bronzes are a versatile class of bearing bronzes that excel in strength, corrosion resistance, and wear resistance, making them suitable for a broad spectrum of applications, from marine and industrial machinery to aerospace and automotive industries. The reliability and performance of these alloys in demanding conditions contribute to their widespread popularity.

High Tensile Brasses: Composition and Applications

Overview High Tensile Brasses, also known as Manganese Bronze or High Strength Brass, are specialized copper alloys designed for enhanced mechanical properties, especially tensile strength. These alloys are vital in applications requiring high strength and durability, such as in the manufacturing of bearing components.

Composition The primary components of High Tensile Brasses are copper and zinc. Manganese is the critical alloying element that sets these brasses apart from standard brass alloys, as it significantly boosts the alloy’s strength. Additional elements like aluminum, iron, nickel, and silicon may be incorporated to further improve various characteristics of the alloy.

Properties

  • High Tensile Strength: The inclusion of manganese and other elements markedly increases these brasses’ tensile strength beyond that of standard brass alloys.
  • Good Fatigue Resistance: These alloys exhibit enhanced fatigue resistance, making them suitable for applications involving cyclic loading.
  • Corrosion Resistance: High Tensile Brasses offer robust corrosion resistance, particularly in marine and other corrosive environments.
  • Wear Resistance: The inherent strength and hardness also enhance their wear resistance, crucial in bearing applications.
  • Machinability: Despite their hardness, High Tensile Brasses are machinable, allowing for the precise fabrication of complex parts.

Applications

  • Bearings and Bushings: Ideal for bearings and bushings, these alloys can handle heavy loads and demanding operational conditions due to their strength and wear resistance.
  • Marine Components: Their corrosion resistance makes them suitable for marine applications, including propeller shafts and bearings exposed to saltwater.
  • Heavy Machinery: Utilized in construction equipment, agricultural machinery, and industrial pumps, where components face high loads and stress.
  • Automotive Industry: Found in various automotive components such as valve stems, wear rings, and bearings designed for heavy loads.
  • Structural Components: Employed in structural components that demand high strength and fatigue resistance, such as bridges and infrastructure projects.

Popular High Tensile Brass Alloys

  • CZ114/CW721R: Known for its versatility, this high-strength brass alloy is both hot workable and machinable, often used for its excellent mechanical properties.
  • C95200: A specific high-tensile brass that balances strength, corrosion resistance, and machinability.
  • ToughMet Spinodal: A high-entropy alloy that includes high tensile brasses and bronzes, providing unique property combinations for specialized applications.

Summary High Tensile Brasses are essential copper alloys that deliver superior mechanical properties, particularly in tensile strength. Their robustness, combined with excellent corrosion and wear resistance, makes them highly sought after for a wide array of industrial and engineering applications.

Lubrication bearing Bronze, Bushing Bronze
Custom bushing bronze, ideal for heavy loads and shock-loading conditions, are designed for easy installation.