The unique square hole design of our sleeve bushings provides several advantages over traditional round bushings. This design allows for a more secure and torque-resistant fit, preventing rotational slippage and ensuring the aligned movement of mechanical components. The use of high-quality materials ensures excellent wear resistance and a long service life, even under high load and high-speed conditions. Additionally, the square hole design distributes stress more evenly, reducing the risk of deformation and extending the overall lifespan of the bushing and the machinery it supports.Safety is a paramount consideration in the design and manufacture of our square hole sleeve bushings. The precision fit provided by the square hole reduces the likelihood of mechanical failure, as square hole sleeves bushing minimizes movement and slippage between the bushing and the shaft. This secure fit helps to maintain the alignment and integrity of mechanical systems, reducing the risk of operational malfunctions that could lead to accidents or equipment damage. The high-quality materials used in our bushings are chosen for their ability to withstand harsh operating conditions without compromising structural integrity, ensuring safe and reliable performance over time.
Stability is another key feature of our square hole sleeves bushing. The square profile ensures that the bushing remains firmly in place, even under varying loads and operational conditions. This stability is crucial for applications where precision and consistent performance are required. The robust design and precise manufacturing process result in bushings that can handle high torque and maintain their position, thereby ensuring smooth and reliable operation of the machinery. The enhanced stability provided by the square hole design also contributes to reduced vibration and noise, improving the overall performance and efficiency of the equipment.The production of our square hole sleeve bushings involves an advanced sintering process, which enhances the material properties and ensures high precision. The process begins with the selection of high-quality metal powders, which are blended to achieve the desired composition. These powders are then compacted into the shape of the bushing using a custom mold, creating a "green" compact that retains the basic form but lacks strength.






Product Advantages
Machine Tools:
In the field of machine tools, linear bush bearings contribute to the precision movement of components like slides and spindles, enhancing the overall performance and accuracy of machining processes.
Material Handling Equipment:
Linear bush bearings find applications in material handling equipment, such as linear guides for conveyors and lift systems, ensuring reliable and efficient material transport.
Medical Devices:
Precision is critical in medical devices, and linear bush bearings play a role in applications like medical imaging equipment, where smooth and accurate linear motion is essential.
Bronze Bushings Ingredient List
| CHEMICAL COMPOSITION | ||||||
| Chemical Composition Limits (%) | ||||||
| ALLOY | COPPER | ZINC | LEAD | IRON | TIN | SILICON |
| C93200 | 81-85 | 1-4 | 6-8 | 0.2 | 6.3-7.5 | 0.005-0.08 |
| C95400 | 83 (minimum) | None | None | 3-5 | None | None |
| SAE 841 | 87.5-90.5 | None | None | 1 | 9.5-10.5 | None |
| ALUMINUM | PHOSPHORUS | MANGANESE | NICKEL (INCL.COBALT) | ANTIMONY | OTHER ELEMENTS |
|
| 0.005 | 0.15 | None | 1 | 0-0.35 | 0-0.08 Sulfur | |
| 10-11.5 | None | 0-0.5 | 0-1.5 | None | None | |
| None | None | None | None | None | 0.3 Carbon | |
| PHYSICAL & MECHANICAL PROPERTIES | |||||
| ALLOY | NOMINAL DENSITY | MODULUS OF ELASTICITY |
MELTING POINT OR RANGE |
THERMAL CONDUCTIVITY |
|
| lbs. /cu.in | ksi | degrees F | BTU/sq.ft./ft./hr./degrees F @ 68 degrees F |
||
| C93200 | 0.322 | 14,500 | 1570-1790 | 33.6 | |
| C95400 | 0.269 | 15,500 | 1880-1900 | 33.9 | |
| SAE 841 | 0.231-0.246 | Not Rated | 1800-2000 | Not Rated | |
| ELECTRICAL RESISTIVITY |
TEMPER | HARDNESS | ULTIMATE TENSILE | YIELD STRENGTH |
ELONGATION |
| ohms @ 68 degrees F |
Rockwell (unless noted) |
ksi | ksi | % | |
| Not Rated | As Cast | 65 Brinell | 35 | 20 | 10 |
| 80.2 | As Cast | 150-170 Brinell | 85 | 32-35 | 12-18 |
| Not Rated | As Pressed | H50 | 14 | 9 | 1 |
Bronze Bushings Applications

Application in mechanical equipment
Bronze bushings are widely used as important bearing components in mechanical equipment. They provide reliable support and reduce friction under high loads, high speeds and harsh environments. These bearings are often used to reduce direct metal-to-metal contact, thereby reducing wear and extending equipment life. Copper bearings are also an ideal choice when lubrication conditions are poor or grease cannot be used.
Application in industry
Copper bearings play an important role in the mining and heavy machinery sectors. These harsh working conditions require equipment to withstand high loads and high friction, and the wear and corrosion resistance of copper bearings make them the first choice.In the field of metallurgy and metal processing, equipment often faces high temperature and high pressure environments, and copper bearings are widely used because of their ability to maintain stability and durability under high temperature conditions.

Wholesale Bushings Factory
With 17 years of dedicated expertise in powder metallurgy, we have earned a reputation for quality and integrity in the industry. Our extensive portfolio includes thousands of products successfully exported to countries such as Japan, Denmark, the Netherlands, and the United States. Our in-house R&D team is the cornerstone of our innovation efforts, providing robust technical support for all new products. This team, composed of senior engineers, skilled technicians, and esteemed quality inspectors, ensures that we consistently deliver top-notch services across a wide range of industries. Every day, we produce a multitude of new, industry-relevant products, reflecting our commitment to excellence and continuous improvement.
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FAQ
Q: What are the primary advantages of using bronze sleeve bushings in machinery, and how do they compare to bushings made from other materials?
A: Bronze sleeve bushings offer several key advantages that make them an excellent choice for various machinery applications. One of the primary benefits is their excellent wear resistance, which ensures long service life even under heavy loads and high-speed conditions. Bronze is also known for its self-lubricating properties, which reduce the need for frequent maintenance and enhance the efficiency of the machinery. Compared to bushings made from other materials such as steel or plastic, bronze bushings provide superior durability and better resistance to corrosion, particularly in harsh environments. Additionally, bronze bushings can handle higher temperatures, making them suitable for applications where thermal stability is crucial.
Q: How does the manufacturing process of bronze sleeve bushings ensure their quality and performance in industrial applications?
A: The manufacturing process of bronze sleeve bushings involves several critical steps that ensure their quality and performance. Initially, high-quality bronze alloys are selected and melted to create a homogeneous mixture. This molten metal is then cast into molds to form the basic shape of the bushings. After casting, the bushings undergo precise machining to achieve the exact dimensions and tolerances required for their specific applications. This precision machining is essential to ensure a perfect fit and smooth operation in machinery. Additionally, the bushings are often subjected to heat treatments to enhance their mechanical properties, such as strength and hardness. Throughout the manufacturing process, rigorous quality control measures are implemented to inspect for any defects or inconsistencies, ensuring that each bushing meets the highest standards of performance and reliability.
Q: Can bronze sleeve bushings be customized to meet specific application requirements, and what customization options are available?
A: Yes, bronze sleeve bushings can be customized to meet specific application requirements, ensuring they provide optimal performance for unique operational needs. Customization options include variations in dimensions such as inner and outer diameters, length, and wall thickness to fit different machinery specifications. Additionally, the composition of the bronze alloy can be adjusted to enhance certain properties like wear resistance, corrosion resistance, or load-bearing capacity, depending on the intended use. Surface treatments and coatings can also be applied to further improve performance characteristics, such as adding a layer of lubrication to reduce friction or a protective coating to enhance corrosion resistance. These customization capabilities allow for tailored solutions that perfectly match the specific demands of various industrial applications, providing reliability and efficiency in diverse environments.
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