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Oilless Bearings services

High Tensile Brass Oilless Bearing – Solid Lubricant Embedded

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The benefits of oilless brass bearings

High Tensile Brass (C86300) Bushing – Solid Lubricant

High Strength Brass With Solid Lubricant Embedded Bearing is produced by strengthening brass that has good physical performance and good capability for casting. What’s more, the brass material has pretty good anti-erosion ability in the air, freshwater, and seawater. The surface is regularly and finely machined with sockets in which a particular solid lubricant is filled. Its material is CuZn25Al5Mn4Fe3. The material of copper alloy could be changed as per the customer’s requirements.

Chemical Composition:

Cu:60.0~66.0 Sn:0.20
Al:5.0-7.5 Fe:2.0-4.0
Mn:2.5-5.0 Ni:1.00
Pb:0.20 Zn:22.0~28.0

High Tensile Brass Oilless Bearing
oil-free bearing

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Used in High-temperature, high-load, low-speed and heavy-load occasions including

This brass bushing sleeve can be used in many fields such as construction machinery joints, such as excavators, mining scrapers, rotary drilling rigs, concrete pump trucks, rock drilling machinery, hoists, port cranes, etc., as well as metallurgical Mechanical continuous casting machinery, water conservancy machinery, conveying machinery, rolling mill, bottle blowing machine, film blowing machine, crosshead clamping differential for injection molding machine, tire vulcanizing machine, trailer balance beam, vacuum switch, etc.

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With insights and data, we can predict and adapt bearings to future needs, allowing you the ability to meet rapidly changing consumer preferences.

The benefits of oilless bronze bearings

Find Bearings for Your Unique Products

The high-strength brass bushing is widely used. It is cast into bearing bushes and copper sleeves. VIIPLUS uses high-strength brass as the matrix and is radially embedded with ordered cylindrical polymer fillers as friction materials (usually graphite). ), its superiority is mainly due to its complementary advantages of copper alloy and non-metallic anti-friction material, which not only has a high bearing capacity, but also breaks through the limit of general bearings relying on an oil film and grease lubrication, and realizes oil-free lubrication.

The embedded solid lubrication is easy to form a lubricating film, which greatly improves its friction and wear performance, and is stable, reliable, and cost-effective. Compared with composite oil-free bearings, it has the advantages of good machinability, high precision, strong bearing capacity, and good wear resistance.

graphite filled bronze bushing
flange Oilless bushing

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Featured Solutions

solid-lubricant embedded bearing solutions

  • It breaks through the limitations of general bearings depending on oil film lubrication.

  • Hardness is twice higher than normal copper bushing

  • Wear-resistant performance is also twice higher than normal type.

  • During use, the solid lubricant is rubbed against the shaft through frictional heat, forming an excellent condition for the coexistence of oil and powder lubrication, which not only protects the shaft from wear but also makes the solid lubricant persist.

What Is Brass Bushing Material

Brass is mainly an alloy that consists of copper with zinc added. Brasses can have varying amounts of zinc or other elements added. These varying mixtures produce a wide range of properties and variations in color. Increased amounts of zinc provide the material with improved strength and ductility. Brass can range in color from red to yellow depending on the amount of zinc added to the alloy.

If the zinc content of the brass ranges from 32% to 39%, it will have increased hot-working abilities but the cold-working will be limited.
If the brass contains over 39% zinc, it will have a higher strength and lower ductility (at room temperature).

Other Brass Alloys

Tin Brass

This is an alloy that contains copper, zinc, and tin. This alloy group would include admiralty brass, naval brass, and free machining brass. The tin has been added to inhibit dezincification (the leaching of zinc from brass alloys) in many environments. This group has low sensitivity to dezincification, moderate strength, high atmospheric and aqueous corrosion resistance, and excellent electrical conductivity. They possess good hot forge ability and good cold formability. These alloys are typically used to make fasteners, marine hardware, screw machine parts, pump shafts, and corrosion-resistant mechanical products.

Copper

Copper is used in a wide range of products due to its excellent electrical and thermal conductivity, good strength, good formability, and corrosion resistance. Pipe and pipe fittings are commonly manufactured from these metals due to their corrosion resistance. They can be readily soldered and brazed, and many can be welded by various gas, arc, and resistance methods. They can be polished and buffed to almost any desired texture and luster.

There are grades of unalloyed Copper, and they can vary in the number of impurities that are contained. Oxygen-free copper grades are used specifically in functions where high conductivity and ductility are needed.

One of the most important properties of copper is its ability to fight bacteria. After extensive antimicrobial testing by the Environmental Protection Agency, it was found that 355 copper alloys, including many brasses, were found to kill more than 99.9% of bacteria within two hours of contact. Normal tarnishing was found not to impair antimicrobial effectiveness.

Bronze

Bronze is an alloy that consists primarily of copper with the addition of other ingredients. In most cases, the ingredient added is typically tin, but arsenic, phosphorus, aluminum, manganese, and silicon can also be used to produce different properties in the material. All of these ingredients produce an alloy much harder than copper alone.

Bronze is characterized by its dull-gold color. You can also tell the difference between bronze and brass because bronze will have faint rings on its surface.

Bronze Applications

Bronze is used in the construction of sculptures, musical instruments, and medals, and in industrial applications such as bushings and bearings, where its low metal on metal friction is an advantage. Bronze also has nautical applications because of its corrosion resistance.

Other Bronze Alloys

Phosphor Bronze (or Tin Bronze)

This alloy typically has a tin content ranging from 0.5% to 1.0%, and a phosphorous range of 0.01% to 0.35%. These alloys are notable for their toughness, strength, low coefficient of friction, high fatigue resistance, and fine grain. The tin content increases the corrosion resistance and tensile strength, while the phosphorous content increases the wear resistance and stiffness. Some typical end uses for this product would be electrical products, bellows, springs, washers, and corrosion-resistant equipment.

Aluminum Bronze

This has an aluminum content range of 6% – 12%, the iron content of 6% (max), and a nickel content of 6% (max). These combined additives provide increased strength, combined with excellent resistance to corrosion and wear. This material is commonly used in the manufacturing of marine hardware, sleeve bearings, and, pumps or valves that handle corrosive fluids.

Silicon Bronze

This is an alloy that can cover both brass and bronze (red silicon brasses and red silicon bronzes). They typically contain 20% zinc and 6% silicon. Red brass has high strength and corrosion resistance and is commonly used for valve stems. Red bronze is very similar but it has lower concentrations of zinc. It is commonly used in the manufacturing of pump and valve components.

Nickel Brass (or Nickel Silver)

This is an alloy that contains copper, nickel, and zinc. The nickel gives the material an almost silver appearance. This material has moderate strength and fairly good corrosion resistance. This material is typically used to make musical instruments, food and beverage equipment, optical equipment, and other items where aesthetics are an important factor.

Copper Nickel (or Cupronickel)

This is an alloy that can contain anywhere from 2% to 30% nickel. This material has very high corrosion resistance and thermal stability. This material also exhibits a very high tolerance to corrosion cracking under stress and oxidation in steam or moist air environment. Higher nickel content in this material will have improved corrosion resistance in seawater and resistance to marine biological fouling. This material is typically used in making electronic products, marine equipment, valves, pumps, and ship hulls.

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    Designs, develops and distributes innovative solutions that reduce the cost, improve the time, Solid lubricated bearings are made of high strength brass with special formula as the matrix, which has high mechanical properties, good casting performance and good corrosion resistance. The surface is inlaid with a special formula of solid lubricant at a certain Angle and density, which is made by precision machining. Products are widely used in continuous casting machines, mining machinery, ships, gas turbines and so on.

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