Sleeve Bearings FAQ

Frequently Asked Questions: Plain Bearing & Sleeve Bushings Technology

Sleeve Bearings FAQ2020-04-14T10:50:14+00:00
How to Choose the Self lubricating bearing oil?2020-03-31T10:07:09+00:00

How to choose the lubricating oil from the bearing, blind choice of lubricating oil: lubricating oil plays the role of lubrication, cooling, cleaning and sealing. The quality of lubricating oil is directly related to the service life of the engine. Oil blackening is oil deterioration: engine oil is working in a more demanding high temperature conditions, easy to oxidize deterioration, produce acidic substances and superposition into polymer sediments, so as to destroy the lubrication. Diesel car oil: gasoline engine oil and diesel engine oil. Although gasoline engines and diesel engines work under the same conditions of high temperature, high pressure, high speed and high load, they are still quite different.

Bearings and bushes are made from what material?2020-03-31T10:06:48+00:00

Welcome to the most trusted and comprehensive Bushings Bearings Custom Size and Material.

What are the main materials of oilless bearing bushings?

Bearings and bushes are made from what material?


1) metal materials, such as colliers brass, tin bronze inlaid graphite bearings.

2) porous metal materials (powder metallurgy materials).

3) non-metallic materials (nylon, polytetrafluoroethylene).

4)Metal Polymer Bearings,

5)Metal & Bimetal Bearings

6)Bronze Bushings

Bushing Bearings Service Life2020-03-31T10:18:46+00:00

How long is the service life of oilless plain bearing & self-lubricating bronze bushings?

Bushings and Plain Bearings – Load Capacity and Service Life …

Answer: because the bushing bearings service life of any sliding bearing is affected by the actual working conditions, such as the working load, speed, temperature and comprehensive environmental factors; Therefore, it is impossible for any dry bearing manufacturer to calculate the accurate service life before the actual use verification, and it can only estimate the service life of the self-lubricating bushing bearing under similar cases based on the existing use cases.

What is the difference between oilless bushes and sliding bearings?2020-03-31T10:34:41+00:00

Oilless Bushing vs Sliding Bearing – Which Do You Choose?

Answer: self lubricated bearing oilless bushes, also called sleeve bearings, belongs to a kind of sliding bearing. Wall thickness, size, dimensional drawing,application.Oilless Bushing vs Sliding Bearing – Which Do You Choose? General plain bearings in the work before the need to add lubricating oil, grease and other lubricants, graphite, MoS2 coating , so as to form a lubricating film on the friction surface and play an effective role of lubrication, and oilless bushes bearings made of self-lubricating materials or pre-filled with lubricant sealed up can be used for a long time, no need to add lubricant in the process of work.

Our growing line of engineered Oilless Bushing bearings and bronze graphite bearings products is designed to meet our customers’ evolving needs everywhere we do business.

Bushing Bearings Application2020-03-31T11:03:32+00:00

Bushing Bearings Application, our Item Code Bearing constantly improve the quality of products and services, to meet the challenges of The Times!

Our products are used in many industries

Engineering machinery
Self – lubricating bearings can be used in chassis, fuselage parts, and hydraulic components. These include bimetallic bearings, metallic self-lubricating bearings and metal-plastic self-lubricating bearings. .

Logistics, port machinery
Due to the company’s development of the self-lubricating bearings than the traditional rolling bearings have maintenance free, low cost, corrosion resistance and other characteristics, so it is widely used in such as trucks..

Agricultural machinery
Since the self-lubricating bearing has the characteristics of maintenance-free and good wear resistance in dust and outdoor conditions, it is widely used in the combine harvester.

Cars and trucks
Self-lubricating bearings are used in at least 30 places in a car. For example: tensioning wheel, air conditioning compressor, secondary air valve, fuel pump, starting motor, gearbox..

Energy equipment
The self-lubricating sleeve produced by the factory is suitable for the new energy support swing area, to meet the long-term use, no need to environmental protection new energy (such as wind power generation, solar power generation..

Food, medical machinery
Since the self-lubricating bearings have no oiling or less fuel characteristics, and do not contain harmful substances, so the cleanliness and strict environmental requirements of textile machinery, pharmaceutical machinery, food machinery..

We can solve common problems for you.

Cast Bronze Bearings, Types of Grooves2020-04-09T05:10:47+00:00

There are different groove types and for bronze bushing ,can customized according the customers’ drawing

*Grooves can be closed or open on one or both sides.


Bronze bearings with groove type can offer a range of benefits, including lower cost, less maintenance, greatly reduce noise at low speeds and easier installation.  Bronze can also have a higher load capacity, simplified assembly, increased longevity, reduced housing dimensions and assembly size and weight.

Bushing Bearings Type, Flange Size Available2020-04-03T14:50:06+00:00

Bushing Bearings Type, Measure bushings with a flange, Flange Size,Flanged Thrust Washer, Collar bushes Available.

Flange Bearing and Flange Bushing made to order from china.

Standard and Custom Bushing Parts. High Quality Bearings China Factory Directly Price Bushings. Types: Bronze Bushings, Bearings, Cast Bronze Bearings, Plugged Graphite Bronze Bearings

China Manufacturer and supplier of Bronze bushing and self-lubricating bearings Products. Sliding bearings experience. Large Inventory of Standard Size. Custom Parts Machined. Chat Support Available. Request A Quote. Quality Oilless Parts

Flange bushings are sleeve type bearings with a “flange” , or “collar” or “shoulder” on one end. The flange serves multiple functions. It can assist in alignment and mounting of the bearing. It can also help ease installation for the bearing.


Can VIIPLUS produce special bearing types, and dimensions on demand?2020-03-31T11:22:38+00:00

VIIPLUS is the specialist for sliding bearings types, flange buses; self-lubricating technology ,Customized drawings, Competitive price Find out more now!

TYPE OF BUSHING BEARINGS:plain bearing, flange bearings, thrust washer, wear plate.


we are specialist with custom manufacture bushing bearings type and size, dimensions on Demand

What is the Difference Between Bushing & Bearing?2020-04-03T13:56:16+00:00

What is the Difference between Bushings & Bearings?

There is a difference between bearing and bushing sleeve, bushing sleeve is only a kind of sliding bearing. The main function of the bearing is to support the mechanical rotating body, reduce its friction coefficient in the process of motion, and ensure its rotation accuracy. The shaft bushing sleeve is a cylindrical bushes mechanical part that is mounted on a rotating shaft and is an integral part of a plain bearing bushes. The bushing sleeve is set on the shaft, can protect the shaft, wear after the replacement of the bushing sleeve can avoid direct wear of the shaft, reduce the maintenance cost; The bearing is the rotating body that supports the shaft…”

Sliding Bearings Material

Bushing material in a great variety of designs are produced from steel backed bearing or bronze backed bearing,PTFE layer, POM layer, composite material, Plain Bearing Strips in cutting, stamping and shaping processes.

Standard designs for plain bearings are Cylindrical bushes, Collar bushes,Thrust washers,Strips

Bushing Bearings Types available in standard dimensions

  • Cylindrical bushes
  • Flanged bushes
  • Thrust washers
  • Flanged washers
  • Sliding plates

A bushing is one category of plain bearings.

A bushing is a thin walled bearing metal steel backed alloy layer with lubricated or bronze bushing sleeve that allows relative motion by sliding bearings, as compared to rolling. A bushing might also be called a sleeve bearing. However, the term sleeve bushing would be redundant. Thus, a bushing is a plain bearing, but a bearing is not necessarily a bushing type.

A bearing is the general term for something that allows relative motion between two components, surfaces, etc.
Learn more about what a dry bearings bushing & sliding bearing is.

Still have any questions? Please do not hesitate to contact us.

Ask a question

Bushing Materials2020-04-03T14:18:51+00:00

Plain Bearings and Bushings are Made from what Metal Material?

Learn more about the variety of bushing materials offered by VIIPLUS.

We manufacture and produces different materials of bushings

Find the right bushing material for your markets.



Search for the specific standard self-lubricating bushing material that meets your application requirements. Once you’ve found exactly what you’re looking for, you may request a quote for the bushings part that meets your high performance plain bushes needs.


1. Metal materials, such as bearing alloy, bronze, aluminum bronze bushings, cast bronze bushing, brass bearings : bearing alloy is also known as c86300, c93200, c95400, c86200, or other bronze alloy, because of its good wear resistance, high plasticity, good runnability, good heat conductivity, good resistance to rubber and good and good oil adsorption, so it is suitable for…

2.Plugged Graphite, solid bronze materials, washer, wear plate…

3. Nonmetal bearing plastics: common bearing plastics include (pom bushes), (ptfe bushes) polytetrafluoroethylene, etc., the plastic bearing has greater compressive strength and wear resistance, can be lubricated with oil and water, also has self-lubricating performance, but poor thermal conductivity.

Bushing Sleeve Bearing Material Data Sheet, Need Help?Not sure which bushing type fits your application requirements?

Contact Today!

What is a Bushing?2020-04-03T14:35:46+00:00

What is a Bushing?

What is Sleeve Bearings & Plain Bushings? A plain bearing, also known as a bushing, sliding bearings, oilless bushes. Ask a support ?

Bushings, (Sometimes Called Plain Bushes, Flange Bushing, Cylindrical Bushes, Bronze Bushing, CYLINDRICAL BUSHES (Italy) , Gleitlager (Germany), Bronze Gleitlager,  Collar Bushes, Straight Bushing, Split Bushes, Slit Bushes, Gap Bushes, Thin Walled Bearings, Plain Bushings, Or Sleeve Bearings) Reduce Friction Between Two Surfaces Sliding Against Each Other.

Metric Bushing bearings and imperial bushings (inch size ) made to order from china high quality cheap prices: standard bushing type in customized dimensions,  special shapes obtained by stamping or deep drawing, customized bushing designs.Quality

Quality Sleeve Bushings Manufacturer , China Plain Bearings, Sleeve Bearings

The difference between bearings vs. bushings is that a bushing is a type of bearing. While the term bearing is a general term for something that allows motion between two components, bushings are specific pieces of equipment. Split Type,Bushings, unlike deep groove ball bearings, are designed as a single part, thin walled bearings design, light weight, easy to customized size.


* For higher requirements – e.g. higher temperature ranges – different bushings materials are available in our stock.


What is PTFE Polytetrafluoroethylene for Bearing Bushings?2020-04-06T12:30:34+00:00

What is Polytetrafluoroethylene?( Teflon or PTFE), Find here PTFE Bushes, Steel backed Bush Dry Self Lubricating Bearings, Teflon Bush manufacturers, suppliers & exporters in china. Get a free quote.

Polytetrafluoroethylene (commonly referred to as “non-stick coating” or “easy to clean material”); It is a kind of synthetic polymer material which USES fluorine to replace all hydrogen atoms in polyethylene. This material has the characteristics of anti – acid, anti – alkali, anti – various organic solvents, almost insoluble in all solvents. At the same time, polytetrafluoroethylene has the characteristics of resistance to high temperature, its coefficient of friction is very low, so it can be used for lubrication, also became an ideal coating for easy to clean wok and water tube lining.

Ptfe is called “plastics king”, the father of fluorine resin Roy Planck, in 1936 began the study in the United States dupont, substitute of freon, they collected some tetrafluoroethylene stored in cylinders, ready for the next day on to the next step of the experiment, but when the second day after open the cylinder pressure reducing valve, but no gas overflow, they thought it was flat, but will the cylinder weighing, found that the cylinder did not lose weight. They sawed open the cylinder and found a large amount of white powder, which was polytetrafluoroethylene.
They discovered that ptfe was so good that it could be used as an anti-fusion sealing gasket for atomic bombs, artillery shells, etc., that the U.S. military kept the technology secret during world war ii. It was not declassified until after world war ii, and industrial production of ptfe was achieved in 1946.
Chinese name “teflon” (teflon). It is composed of tetrafluoroethylene by polymerization of polymer compounds, its structural short form for – – CF2 – CF2 – n -, it has excellent chemical stability, corrosion resistance, corrosion resistance in the world today is one of the best materials, in addition to the three fluoride molten alkali metals, chlorine, five liquid chlorine and fluoride, fluoride can all other chemicals, boil in aqua regia doesn’t change, is widely used in all kinds of resistance to acid and alkali and organic solvent. Has the sealing property, the high lubrication non-stickiness, the electric insulation property and the good anti-aging ability, the temperature resistance is excellent (can work under the temperature of +250℃ to -180℃ for a long time). Ptfe itself is not toxic to humans.
The operating temperature is -190 ~ 250℃, allowing sudden cooling and sudden heating, or alternating cold and hot operation.
Teflon board
Teflon board
Pressure -0.1 ~ 6.4mpa (Full negative pressure to 64kgf/cm2) (Full vacuum to 64kgf/cm2)
It has solved many problems in chemical, petroleum, pharmaceutical and other fields. Ptfe seals, gaskets, gaskets. Ptfe seals, gaskets, gaskets are made of suspended polyptfe resin molding. Compared with other plastics, ptfe is resistant to chemical corrosion and has been widely used as a sealing material and filling material.
The dispersion can be used as an insulating impregnation solution for various materials and as an anticorrosive coating on the surface of metal, glass and earthenware. All kinds of ptfe ring, ptfe gasket, ptfe packing root are widely used in all kinds of anti-corrosion pipeline flange seals. In addition, it can also be used for spinning, polytetrafluoroethylene fiber – fluron (foreign trade name teflon).
Ptfe film
Ptfe film
Nowadays, all kinds of plastic king products have played a pivotal role in the national economic fields such as chemical industry, machinery, electronics, electrical appliances, military industry, aerospace, environmental protection and Bridges.
Polytetrafluoroethylene (PTFE) conditions of use in chemical industry, petrochemical, refining, alkali, acid, phosphate fertilizer, pharmaceutical, pesticide, chemical fiber, dye, coking, coal gas, organic synthesis, non-ferrous smelting, steel, atomic energy and polymer filtration material, high purity products (e.g., ionic membrane electrolysis), viscous material transportation and operation, highly strict health food, beverages and other production departments.
High temperature resistance – operating temperature up to 250℃.
Low temperature resistance — good mechanical toughness; 5% elongation can be maintained even if the temperature drops to -196℃.
Corrosion resistance – to most chemicals and solvents, showing inert, able to withstand strong acid and alkali, water and a variety of organic solvents.
Ptfe tube
Ptfe tube
Weather resistance – has the best aging life of plastics.
High lubrication – the lowest coefficient of friction of solid materials.
Nonadhesion – the smallest surface tension in a solid material that does not adhere to anything.
Non-toxic – with physiological inertia, as artificial blood vessels and organs long-term implantation without adverse reactions.
Electrical insulation – can resist 1500 volts of high voltage.

What are the anti-aging performance of self-lubricating composite bearings?2020-04-06T12:35:08+00:00

Answer: the plastic bearing because of the use of high-performance engineering plastics as the base material through the material modification technology to implant anti-aging agent anti-uv agent, so that its comprehensive anti-aging performance is improved; Aging resistance of plastic bearing: indoor: 20-30 years; 15 to 25 years outdoors.

Our self-lubricating bearing design anti-aging performance and long service life.

Metal Sliding Bearings Product Features?2020-04-06T12:55:27+00:00

Metal Sliding Bearings Product  Product features
▊metal plastic composite bearings
Applicable to low speed heavy load, intermittent operation and rolling conditions such as unable to fuel or do not allow refueling occasions;
Simplify oil supply design to reduce repair and maintenance costs and time;
Good wear resistance, low friction coefficient, extend the service life of the product;
▊ metal matrix self-lubricating bearings
With high-strength copper alloy as the substrate, holes are distributed in the working face in proportion to the working conditions and solid lubricant is filled in. High-strength copper alloy provides high bearing capacity while solid lubricant can form low friction pairs.

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