Bush, Self-lubricating Bushes

About us

Bush, self-lubricating Bearing Bushes, Custom Bronze Bushings

A bushing, functioning as a bearing, comes either as a straight or flanged tube suitable for sliding applications. Our selection of bronze bushings is crafted to function with external lubrication. We provide a premium assortment of bronze alloys, coupled with the vast selection of compatible lubricants available, enabling these bushings to perform optimally under a broad range of operating conditions. : Custom Bronze Bushings – Built to Last: Experience the strength & precision of our custom-made bronze bushings. Designed to meet your specifications. Shop now! Solid Journal Bushings: Our solid journal bearings are constructed using woven PTFE fabric, enabling self-lubrication for the product’s entire lifespan. Our bearing bush provide superior corrosion resistance, support loads up to 60 ksi based on the backing material, and withstand extreme temperatures up to 800°F. A wide range of sizes is available.

Engineered Custom Bushings
Precision Engineered Custom Bushings: Custom bushings engineered for optimal performance. Any size, any material. Get your free consultation today!
Self-Lubricating Bronze Bushings
Bronze Bushings – Zero Maintenance, Discover the durability of our self-lubricating bronze bushings. Perfect for high-load applications. Click to learn more!

Type Of Bearing

cast bronze bearing

Self-Lubricating Bronze Bush， Machined Bronze Bushings

For applications requiring low maintenance or no maintenance, where external lubrication systems are not utilized, we produce self-lubricating bushings equipped with graphite inserts.

With rich experience in crafting bronze bushings according to client designs, we are dedicated to continually upgrading our machinery. Our commitment includes investing in the latest CNC technology to enhance our manufacturing capabilities. We manufacturing various bronze bushings we have custom-made for our clients.

Maintenance-Free Bronze Bushings: Enhance your machinery’s efficiency with our self-lubricating bronze bushes. Long-lasting, reliable performance. Order now!

Bronze Bushings Manufacturing, Bronze Guide Bushings

We collaborate closely with clients to ensure our bronze bushings not only meet but exceed the required quality standards, are delivered on time, and remain within budget. Our bushings have consistently delivered high reliability and performance in various sectors such as valves, pumps, lifting, power transmission, and public works, partnering with top manufacturers globally.

Guide bushings, one of the most prevalent types of bearings in industrial applications, are expertly produced in our specialized machining facilities. We manufacture high-quality straight, flanged, and grooved frictional bronze guide bushes tailored to specific client needs.

Tailored Bushings – Perfect Fit Every Time: Get custom bushings designed to your exact specs. High precision, superior durability. Contact us for a quote today!

Graphite Embedded Bronze Bearings
Graphite Embedded Bronze Bush8

manufacture of bronze bush, Self-lubricating Bushes, Custom Bushings for Every Need

Bronze Bush: Our bronze bushings are custom-made to client designs with precise attention to detail, ensuring they meet stringent tolerances and specifications. The goal is to achieve the lowest possible coefficient of friction under various conditions, including load, speed, type of movement, environmental factors, and temperature. The supporting metal must be high-strength manganese bronze, Copper Alloy UNS No. C86300, and must be produced strictly following the standards of ASTM B22 Alloy C86300, ASTM B271-C86300, ASTM B505-C86300, or ASTM B584-C86300. heavy duty water control applications. Specifications for other applications and bearing configurations are available upon request.

SELF-LUBRICATING BUSHINGS：Designed for durability, our self-lubricating bush excel in challenging conditions such as:

  • High loads
  • Low speeds
  • High temperatures
  • Humidity
  • Dirt
  • Freshwater environments
  • Saltwater environments

continuous and centrifugal cast bronze Bushes, Bush Materials – The Advantages of Bronze

Bronze stands out as the preferred material for bushing manufacturing due to its outstanding friction resistance, particularly under heavy loads at low speeds. It is recognized for its hardness, corrosion resistance, and high temperature performance.

We offer a diverse selection of custom-sized bushings, continuously and centrifugally cast from the most comprehensive range of bronze alloys available in China. Our in-house production enhances the quality, uniformity, and traceability of our bronze bushings.

The most commonly used bronzes in bushing production include aluminum bronzes, tin bronzes, and high tensile brasses, covering a broad spectrum of alloy options.

Graphite Embedded Bronze Bush12
Graphite Embedded Bronze Bush18

Types of Bearing Bushes: Self-Lubricating Bearings for Hydro Applications

  • Sleeve Bearings
  • Flange Bearings
  • Thrust Bearings
  • Spherical Plain Bearings
  • Expansion Bearing Plates
  • Radial Bearing Plates
  • Spherical Bearing Plates

Combining the low friction of PTFE with the rigidity of high strength bronze alloys！Bearings made from high-strength bronze alloys, permanently embedded with PTFE solid lubricants, are unmatched in toughness and durability. Endorsed and specified by engineering design firms and water power authorities globally, these bearings are the preferred option for hydro pump-turbine and dam gate applications.

Leaded, Phosphor And Aluminium Bronzes Plates and Bearing，

Wear Plates – Mold and Die Products, Search Our Material Alloy

Bronze Worm Gears

We specialize in centrifugal casting for gear components, utilizing all copper and aluminum alloys that comply with both international and local casting standards, including the use of special alloys.
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Sleeve and Plain Bearing

Our expertise lies in producing large-sized centrifugal sleeve bushes and plain bearing, rings, and sleeves: specializes in manufacturing custom bronze sleeves and has a long-standing history of producing sleeve bodies crafted from brass and bronze.

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Flange Bushings

Flange Bearing Bushing Material Types: Aluminum Bronze, Tin Bronze, Leaded Bronze; Brass Alloy, Special Alloy

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Castings & Bearings

Bearings, sliding bearings, half bearings, bushes, worm gears, bronze rings, gears, sleeves, and plain bearings designed for use in industries such as Power Generation, Oil & Gas, Marine, Fluid Control, Engineering, Aerospace, and Mining.

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Oilless Bearing

Bronze and Brass Standard, We offer comprehensive machining solutions for bronze, brass, cast bronze, non-ferrous metals, and technical plastics. Our capabilities include high-precision machining for orders of various sizes, ranging from small to medium series, across a broad spectrum of dimensions.

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Bronze Plate

We provide tin bronze slide plates, leaded bronze plate, aluminum bronze bearing, brass alloys, and specialized alloys known for their quality and performance.

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Choose Your Application

Bronze Oilless Bearings for off-highway equipment. No Need for Complex Greasing System.

Performance.
& Chemical Compositions		 CuZn25Al6FeMn3
High Brass		 CuZn25Al6FeMn3
Special Brass		 CuSn5Pb5Zn5
Tin Bronze		 CuAl10Ni
aluminium bronze		 CuSn12
Tin bronze		 Cast Iron HT250
EB00
Cu% 65 65 85 80 88
Sn% 5 12
Pb% 5
Zn% 25 25 5
Ni% 5
Al% 6 6 10
Fe% 5
Mn% 4 4
Dengity
g/cm 3		 8.0 8.0 8.8 8.3 8.8 7.3
Hardness >210 >180 >70 >150 >80 >160
Tensile Strength >750 >550 >200 >500 >360 >250
Elongation >12 >12 15 >10 >8
Coeicient of
linear expansion		 1.9·10 -5 /℃ 1.9·10 -5 /℃ 1.8·10 -5 /℃ 1.6·10 -5 /℃ 1.8·10 -5 /℃ 1.0·10 -5 /℃
Limit Temp. 300~400 300~400 400 400 400 400
Max. Load N/mm 2 100 80 60 50 70 10
Max. Speed m/min 15 15 10 20 10 15
Max. PV N/mm2·m/min 200 200 200 200 200 40
400N/mm2 <0.01 <0.01 <0.05 <0.04 <0.05 <0.015

Friction of coe. Oil 0.03; Dry 0.16

Custom Size Options, machining bronze bushings and a supplier of solid bronze oilless bushes and plate delivered on time and on budget.

Oilless Bushing Alloy International Code

Chinese Code
GB1776-87		 International counterparts Applications
  International
ISO 1338		 Japan
Jis		 (USA)
ASTM (UNS)		 German
DIN		  
CuZn25AI6FeMn3 CuZn25AI6FeMn3 H5102
CAC304		 B30-92
C86300		 DIN1709
G-CuZn25A/2.0598		 High-load, low speed, general use
CuZn25AI6FeMn3 CuZn25AI6FeMn3 H3102
CAC304		 B30-92
C86300		 DIN1709
G-CuZn25A/2.0598		 Super high load, low-speed, high
duty
CuAI10Fe3 CuAI10Fe3 H5114
CAC703		 B30-92
95800		 DIN1714
GB-CuAI10NI/2.1096		 Medium load, medium-speed,
general use
CuSn5Pb5Zn5 QSn5-5-5 H5111
CAC406		 B30-92
C83600		 DIN1705
G-Cu5n5ZnPb/2.1096		 Medium load, medium-speed
DB5675-85
HT250		   Fe250 ASTM
class40		   low-load, low-speed

 

Solid Lubricant Features Typical application
SSL1(PTFE etc + Add) Excellent resistance against chemical attacks
and low friction. Temp limit 400℃		 Suite for general machines and under
atmosphere
SL2(PTFE etc + Add2) Lowest in friction and good of water
lubrication,Temp.limit 300℃		 Ship, hydraulic turbine, gas turbine etc.

Below chart is designed to assist engineers in choosing the appropriate bronze alloy for specific applications. It provides detailed information on physical and chemical properties, comparative specifications, recommended design loads, and performance characteristics of several bronze alloys commonly utilized in fresh water and saltwater environments. Additional alloy options are also available to meet unique requirements.

Alloy No. Description ASTM Specification Maximum Recommended Bearing Load Maximum Recommended PV
93200 High Leaded Tin Bronze B584-C93200 1500 psi / 10 N/mm² 24,000 psi-ft/min / 50 N/mm²-m/min
95400 Aluminum Bronze B148-C95400 4000 psi / 27.5 N/mm² 48,000 psi-ft/min / 100 N/mm²-m/min
95500 Nickel Aluminum Bronze B148-C95500 6000 psi / 41 N/mm² 72,000 psi-ft/min / 150 N/mm²-m/min
86300 Manganese Bronze B584-C86300 8000 psi / 55 N/mm² 80,000 psi-ft/min / 170 N/mm²-m/min

This version maintains all the original data but formats it in a more standardized and clear way in the table.

 

Bearing Bush Product Selection Guide

01.

Bush Material Selection Guide: We specialize in designing and custom manufacturing self-lubricating bearings tailored for demanding applications and challenging operating conditions.

02.

Satisfaction guaranteed: Our bush products are integral to some of the most critical projects around the globe, including power generation, bridge construction, subsea oil production, missile defense systems, and earthquake seismic isolation.

03.

Ensuring timely delivery: We provide a range of engineering services, from selecting bearing materials to conducting in-house tests on bearing assemblies under simulated operational conditions such as load, movement, velocity, temperature, and other environmental factors.

04.

Request a quote or get in touch with us

Self-Lubricating Bush，Types of Bronze Bushings

A bushing, also known as a bearing, is a tubular component used in machinery where elements rotate or slide. Commonly referred to as bushes, these components are also known as friction bushings, plain bearings, cylindrical bearings, or sleeve bearings.

Additionally, we provide a complete selection and can also customize bronze alloys according to specific client requirements.

Embracing Excellence in Bush Manufacturing: A Journey Towards Innovation and Quality

In the world of industrial machinery and equipment, one component that might seem minor but plays a pivotal role in operational efficiency is the bushing. As a leading manufacturer in this specialized sector, we have consistently prioritized precision, quality, and innovation in the production of our bushings, particularly those crafted from robust and resilient materials like bronze.

The Critical Role of Bushings

Bushings, often termed as plain bearings, sleeve bearings, or friction bushings, serve as critical components in various machinery. These small yet powerful devices help reduce friction between rotating shafts and stationary support members, ensuring smooth operation and longevity of the machinery. Used extensively in applications ranging from automotive engines to complex industrial machinery, the quality of a bushing directly influences the efficiency and safety of operations.

Why Bronze?

Bronze has been our material of choice for bushings due to its outstanding properties. Known for its durability and resistance to wear and corrosion, bronze bushings excel in heavy load applications and adverse conditions, such as high temperatures and corrosive environments. This makes them ideal for sectors such as mining, automotive, and heavy machinery, where reliability is non-negotiable.

Our Capabilities

At our state-of-the-art manufacturing facility, we specialize in producing a wide range of bronze bushings, including custom designs tailored to meet specific client requirements. Our capabilities include:

  • Custom Machining: Leveraging advanced CNC technology, we craft bushings that meet precise specifications and tolerances.
  • Variety of Designs: From straight to flanged or grooved, our diverse product range addresses various application needs.
  • Material Expertise: We offer an extensive selection of bronze alloys, ensuring that each bushing provides the best possible performance under given operational conditions.

A Commitment to Innovation

For over three decades, we have been at the forefront of innovation in bush manufacturing. Our commitment to adopting the latest technologies is not just about keeping up with trends but ensuring that our clients receive products that lead their time in terms of quality and performance.

Examples of Excellence

Our portfolio showcases numerous success stories where our bushings have enhanced machinery performance across different industries. Each project underscores our ability to adapt and deliver solutions that meet diverse operational demands.

Looking Ahead

As we continue to evolve and expand our technological capabilities, our focus remains steadfast on delivering products that exceed expectations in terms of quality, durability, and performance. We invite industry partners and clients to collaborate with us in crafting solutions that push the boundaries of what is possible in bush manufacturing.

Conclusion

In a marketplace where efficiency and reliability are paramount, we stand out by ensuring our bushings are not just components but a critical part of your operational success. Partner with us to experience how top-tier manufacturing meets unparalleled performance in every bushing we produce.

 

Bronze Bushings with External Lubrication: Enhancing Performance and Longevity

Bronze bushings are a staple in various industrial applications, known for their durability and ability to handle heavy loads and high temperatures. One significant aspect of these bushings is their use of external lubrication systems, which play a crucial role in maximizing their efficiency and extending their operational life.

Why Choose Bronze for Bushings?

Bronze is highly valued for bushing production due to its excellent mechanical properties, including high resistance to friction and wear. This makes it ideal for applications involving heavy loads and low speeds, where maintaining performance over time is critical. The addition of external lubrication to bronze bushings further enhances these properties, allowing for smoother operation and reduced wear.

Benefits of External Lubrication

External lubrication systems are designed to continuously supply lubricant to the bushing during operation, which has several key benefits:

  • Reduced Friction: Lubricants form a barrier between the bushing and the mating surface, significantly reducing friction. This not only enhances performance but also minimizes heat generation, a common issue in high-load applications.
  • Increased Lifespan: By reducing wear and tear on the bushing, external lubrication helps extend the life of both the bushing and the machinery in which it is installed.
  • Versatility in Applications: External lubrication allows bronze bushings to be used in a wider range of environments and operational conditions, including those with varying temperatures and contaminant exposure.

Types of External Lubrication Systems

The choice of an external lubrication system often depends on the specific requirements of the application, including the type of movement, environmental factors, and load conditions. Common systems include:

  • Grease Lubrication: Suitable for a wide range of applications, grease provides excellent viscosity and stays in place well, making it ideal for high-load, low-speed scenarios.
  • Oil Lubrication: Oil systems can be either static or circulate oil continuously. They are particularly effective in applications requiring heat dissipation.

Our Capabilities

Our bronze bushings with external lubrication are tailored to meet the unique needs of each client. We offer a range of options, from straight to flanged or grooved bushings, all designed to provide optimal performance in specific applications. Our in-house machining capabilities ensure that each bushing is manufactured with the highest precision, adhering to strict tolerances and specifications.

Conclusion

Bronze bushings with external lubrication are a reliable choice for ensuring the efficient operation of machinery in challenging industrial environments. By choosing the right type of bushing and lubrication system, businesses can significantly improve the performance and longevity of their equipment. At our facility, we are committed to providing high-quality, custom-designed bronze bushings that meet and exceed the demands of modern industry.

 
 
 

LH and RH Oil Groove 660 Brass Bushings: Customized Lubrication Solutions

660 brass bushings are known for their robustness and excellent machinability, making them ideal for a variety of industrial applications. A key feature that can be customized in these bushings is the addition of Left-Hand (LH) and Right-Hand (RH) oil grooves, which are crucial for enhancing lubrication efficacy and extending the operational lifespan of the bushings under various mechanical stresses.

Why 660 Brass for Bushings?

660 brass, composed mainly of copper, zinc, and tin, offers a perfect balance of strength and corrosion resistance, along with good wear properties. This alloy is particularly favored for applications that require good load capacity and stability at elevated temperatures.

The Role of LH and RH Oil Grooves

Oil grooves are channels machined into the surface of a bushing that facilitate the distribution of lubricant across the bearing surface. The design of these grooves—whether left-hand or right-hand—can significantly impact the efficiency of the lubrication, especially in rotating applications where directionality influences lubricant flow. Here’s how they function:

  • LH Oil Groove: Designed for applications where components rotate counter-clockwise, ensuring that lubrication is effectively distributed in this rotation direction.
  • RH Oil Groove: Suitable for clockwise rotations, these grooves optimize lubricant spread and retention in accordance with the movement.

Benefits of Customized Oil Grooves in 660 Brass Bushings

Integrating LH and RH oil grooves in 660 brass bushings brings several advantages:

  • Enhanced Lubrication: Proper groove design ensures that lubricant reaches all necessary parts of the bushing, reducing friction and wear even under high load conditions.
  • Increased Bushing Life: Effective lubrication minimizes direct metal-to-metal contact, thereby extending the lifespan of the bushing and associated components.
  • Optimized Performance: By maintaining a consistent lubrication film, these bushings help maintain the efficiency and reliability of the machinery, preventing downtime and maintenance issues.

Applications

660 brass bushings with LH and RH oil grooves are widely used in gearboxes, pumps, and motors, especially where precise control of lubrication is critical to the application’s success. These bushings are also ideal for use in heavy machinery and automotive applications where directional rotation and high load capacity are factors.

Conclusion

Choosing the right type of oil groove for your 660 brass bushings can make a significant difference in their performance and durability. Whether your application requires LH or RH orientation, these customized features ensure that your machinery operates smoothly and efficiently, with reduced maintenance needs over time. At our facility, we specialize in crafting high-quality brass bushings tailored to meet the specific needs of your operations, ensuring that every component delivers optimal performance.