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Self-lubricating Bearing Bushings: The Oil-Free Effect

self lubricating bearing The Oil-free Effect

Traditionally, The self lubricated bushing works according to this principle, including a number of maintenance-free self lubricating bearing equipped with special sliding plain bearing composite layers.

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A world of self-lubricating bearings and power transmission.

Self-Lubricating Plain Bearings: How They Work

Metallic Self-Lubricating Bushings Bearings

Improve your machines – engineered self-lubricating bearings and plain bushings, Learn more about self-lubricating bushings and bearings: Try the plain bearing material, Switching from ball bearing to metallic plain bushings provides predictable performance and frees the user from from grease and maintenance cycles. Take a tour of our bushing material, see our online catalog, and experience the wide breadth of applications in this page!

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What are self-lubricating bearings? Self-lubricating bearings and self-lubricating materials

With the continuous progress of science and technology today, mechanical technology is moving towards advanced, sophisticated, diversified trends. Especially aerospace technology, atomic energy industry, military industry and other research fields plain bearing technology is facing many new issues, for example, self-lubricating bearing in vacuum conditions, high-temperature conditions and low-temperature conditions and other extreme environmental problems, its solution mainly relies on self-lubricating bearings of special lubrication properties. Self-lubricating bearing is the rolling body, inner and outer ring raceway or cage after special material treatment, no need to add oil or grease lubricants can work properly bearings. Self-lubricating bearings from the lubrication mechanism can be divided into self-lubricating material itself to produce self-lubricating characteristics of bearings and sintered microporous material due to the nature of the self-lubricating characteristics of bearings.

Self-lubricating bearings is the rolling body, inner and outer ring raceway or cage after special material treatment, do not need to add oil or grease lubricants can work properly bearings. Self-lubricating plain bearings from the lubrication mechanism can be divided into self-lubricating material itself to produce self-lubricating characteristics of plain bearings and sintered microporous materials due to the nature of the self-lubricating characteristics of bearings.

Self-lubricating bearings, self-lubricating bearing characteristics

Lubrication is divided into fluid lubrication, mixed lubrication, boundary lubrication, and solid lubrication. In the field of solid lubrication, the bearing material itself shows good friction characteristics, wear resistance of the bearing is called self-lubricating bearings. Because self-lubricating bearings are used in parts where lubricant cannot be used or in parts where the lubricant is poor and used in boundary lubrication, mixed lubrication and other stable parts, this self-lubricating bearing is also called “self-lubricating bearing”, “dry bearing” and so on.

Self-lubricating plain bushes bearings have the following characteristics.

1) self-lubricating bearing low friction: in the use of solid lubricants, direct friction between solids is a small coefficient of friction.

2) self-lubricating bearing heat resistance: solid lubrication and fluid lubrication compared to the coefficient of friction are small, and therefore can withstand the friction (direct friction between solids) generated by the high heat.

3) self-lubricating bearing sinter resistance: not easy to sinter.

4) self-lubricating bearing wear resistance: not easy to wear.

(5) self-lubricating bearing environmental adaptability (corrosion resistance): can withstand the air, gas, and working oil on its chemical corrosion effect.

Self-lubricating plain bearings materials, which type of bearing metal is self-lubricated

self-lubricating bearing material types

Plain Bearing material type, which type of bearing metal is self 

The so-called self-lubricating bearing materials are not even from the outside to provide lubricant itself can show the low friction characteristics of the material. Its representative is, tetrafluoroethylene resin and other plastics containing graphite, molybdenum fluorescence and other solid lubricants of plastic-bearing materials. In addition, there are also materials with solid lubricants synthesized with metals, bearing materials with graphite added to metal base materials, etc. Special examples include essential and rubber bearing materials. Broadly speaking, there are also oil-bearing materials with lubricating oil immersed in the material included in self-lubricating bearing materials.

Self-lubricating Bushing Bearing material characteristics

Plain bearing materials

Self-lubricating bearing materials also have the most common materials. Plastic bearing material is divided into solid lubricant dispersion type material, double layer type material, being compound type material, porous material. Solid lubricant dispersion type material is the solid lubricant dispersion into the plastic material, double layer type material is lined with metal and metal powder depletion layer and plastic layer composition of the material. Also, the compound material is the material to which the plastic and solid lubricant are attached on the surface of the base material such as metal. The porous material is a material consisting of plastic and metal eyelet, etc.

a. Solid lubricant dispersion type material

Plastic bearing material is the most used material in various applications. It is a bearing material in which solid lubricants such as graphite, molybdenum fluorescence, PTEE resin, etc. are mixed with lubricating oil and dispersed together in plastic, and then injection molding and compression molding, and also has the advantage that it can be processed into various shapes by mechanical processing.

b. Double-layer material

Double-layer material is a double-layer structure of metal lining, metal powder sintered layer, and a plastic layer of bearing material. Since it is a double-layer structure, the heat generated by friction is quickly dissipated, and it also makes up for the weakness of plastic and its self-heating conduction. For this reason, it is a high-performance bearing material with good resistance to high loads compared to solid lubricant dispersion-type materials.

c. Compounded material

It is a material that forms a film of solid lubricant such as resin and molybdenum dichloride directly on the surface of the basic material such as metal and is used under less strict conditions.

d. Porous material

The porous material is a bearing material impregnated with tetrafluoroethylene resin, etc., in the metal eyelet space. The softness of the eyelet is used to sandwich it between the shaft and the sleeve to reduce the bearing clearance and prevent the shaft from loosening, and the resin (PTEE) inside has a low coefficient of friction.

For the above material, the main component of the friction surface is plastic. This material, the use of tetrafluoroethylene resin, polyacetal, polyamide, polysulfide benzene, polymethyl ethyl copper, and other thermoplastic resins and epoxy, carbolic acid, polyamide-imide, polyimide, and other thermosetting resins. As the choice of these materials, it is not all without lubricating oil parts, and thus can be used in lubrication, butter and water and a wide range of lubrication conditions, and according to its use, type to provide a variety of rich material bearings.

Other self-lubricating bushing bearing materials

In addition to plastic class (bearing material), there are solid lubricant and metal synthesis of solid lubricant dispersion type material, rod graphite, and other solid lubricants filled into the copper alloy solid lubricant filling type bearing material, or lubricant dipped into the copper alloy, iron alloy and become oil-containing sintered bearing material. In addition, special also have wood type bearing material, rubber type bearing material, etc.

Failure analysis of self-lubricating plain bearings

The bearings on the transport chain are working under the conditions of low speed, high temperature, heavy load and continuous three shifts, lubricated with imported bentonite grease. Through analysis and research, the following forms of bearing failure on the transport chain are found.

1) bearing failure caused by grease deterioration.
2) High-temperature fatigue failure.
3) Corrosion wear.

The Self-Lubricating Bearings Bushings Type

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  • Browse our Most Popular Plain Bearings
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Self Lubricating Plain Bearings, Excel In Hi Temp Applications. We Are The China Tribology Self-Lubricating Bushing Bearings Supplier, Providing Manufacturing Components And Professional Engineering Techniques To Help Customers Meet Their Unique Needs, Create Better Surface Engineering Solutions, Excellent Expertise To Enable Our Plain Self lubricating Bearings Products To Operate On Any Surface (Regardless Of Shape Or Material) To Meet All Customer Needs.

To Provide A Comprehensive Selection Of Products To Meet The Needs Of The World’S Most Demanding Surface Engineering Needs. We Manufacture Metallic Polymers, Engineered Plastics, Fibre-Reinforced Composites, Metal And Bimetal Bearings, And A Range Of Support Components, Liners And Thrust Plates. Accumulated Extremely Deep Professional Knowledge To Lead Polymer Coatings Into The Field Of Tribology! View Our Plain Bearing Bushing.

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We Are The China Tribology Self Lubricating Bearings Supplier, Providing Manufacturing Components And Professional Engineering Techniques To Help Customers Meet Their Unique Needs, Create Better Surface Engineering Solutions, And Excellent Expertise To Enable Our Plain Bearings Self lubricating Bushing To Operate On Any Surface (Regardless Of Shape Or Material) To Meet All Customer Needs. Discovery Of The Right Self-Lubricating Bushing For Your Application! High strength brass self-lubricating bearing characteristics: Eliminates the need to design and install feeder systems. High load capacity, impact resistance, good wear resistance.

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Bimetal Bushing – Plain Metallic Bushing

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Commonly used sliding bearing materials include bimetallic bushing (also called bimetal bearings), wear-resistant cast iron, copper- and aluminum-based alloys, powder metallurgical materials, steel backed bushing, bronze backed bushing, plugged graphite bushing, polytetrafluoroethylene (Teflon, PTFE du bush), modified (POM), etc. Self lubricating bush material supplier.

Self-lubricating plain bushing absorb and transmit the force between the relative moving parts to maintain the position and positioning accuracy of the two parts. In addition, to convert the directional motion into rotary motion (such as reciprocating piston engines). High Quality Self lubricating Bearing And Service. Work in High Temp & Submerged Applications Where Grease, Oil & Plastics Fail. Reduced costs & downtime. Increased reliability. Non-galling. Run dry & keeps running.

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What is a plain bearing?

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Plain bearing (self-lubricating sliding bearing), a plain bearing that works under sliding friction. Plain bush bearings works smoothly, reliably and without noise. Under the condition of liquid lubrication, the sliding surface is separated by lubricating oil without direct contact, which can also greatly reduce the friction loss and surface wear, and the oil film also has certain vibration absorption ability. But the starting friction resistance is large. The part of the shaft supported by the plain bearing is called journal, and the parts matched with the journal are called shingles. In order to improve the frictional properties of the surface of the shaft tile and cast in its inner surface of the friction reducing material layer called plain bearing lining. The material of the shaft and plain bearing liner is collectively called plain bearing sliding bearing material. Plain bushing bearing applications are generally in the low-speed heavy load conditions, or maintenance and lubrication difficult to fill the operating parts.

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Self-lubricating Bearings Top Deals at Factory Price. Confidently Place Self-lubricating Bearings Orders Online! Payment Assurance! Will Provide You With High-Quality Self-Lubricating Bearing Products & Professional Solutions For All Industries In The World. Contact Us And Start Saving On Your Costs. Ship Self-Lubricating Bearing From Anywhere In China To Global.Self-Lubricating Bearing Solutions Are Mainly Applicable To The Following Industries: Aerospace, Automotive, Industrial, Agricultural, Construction, Oil And Gas, Energy, Fluid Power, Major Metals, Entertainment, Solar Energy, Packaging, Etc.

How do self lubricating bearings work?

What is the principle of self-lubricating bearings? Self-lubricating bearings working principle: Self-lubricating bearing using composite material is a new type of anti-polar pressure solid lubrication material, by the metal substrate and embedded in the substrate hole or slot of solid lubricant paste composition. Self-lubricating bearings with copper as the substrate, inlaid graphite material, in the work of the metal substrate to bear most of the friction load. After friction, the solid lubricant in the hole or slot is transferred or counter-transferred to the friction surface, forming a well-lubricated, firmly attached and uniformly covered solid transfer film on the friction surface, significantly reducing frictional wear. As the friction proceeds, the embedded solid lubricant is continuously provided to the friction surface, ensuring good lubrication to the friction substrate during long-term operation.

Self-Lubricating Plain Bearings: How They Work? Self-lubricating plain bearings working principle!

How does self lubricating bearings work? Bearings are a mechanical component often used in machine tools, but some industrial enterprises work and production environment is relatively harsh, often accompanied by sulphur dioxide and other corrosive gases and dust in the work of mechanical equipment damage, resulting in machine tools in the work of friction and wear serious, in order to reduce the occurrence of such situations, self-lubricating bearings began to be developed and applied in the use of machine tools machinery, we take a look at self-lubricating What is the working principle of self-lubricating bearings.

Self-lubricating bearings using composite materials is a new type of anti-pressure solid lubricating material, by the metal substrate and embedded in the substrate of the hole or slot in the solid lubricant paste composition. In the friction process, the metal substrate bears most of the load. After friction, the solid lubricant in the hole or slot is transferred or counter-transferred to the friction surface, forming a well-lubricated, firmly attached and uniformly covered solid transfer film on the friction surface, which greatly reduces frictional wear. As the friction proceeds, the embedded solid lubricant is continuously provided on the friction surface, ensuring good lubrication for the frictional subsets during long-term operation.

The emergence of self-lubricating bearings for industrial production reduces a lot of manpower and material resources, reduces the friction or bite phenomenon between the bearings and other parts in the operation, ensures the normal operation of the machine tool mechanical parts, for the production of continuous operation to do a guarantee. The self-lubricating bearings produced by our company can be used without or with less lubricating oil, with good wear resistance and small friction coefficient, and have a long service life.

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