LLG Your Excellent Sleeve Bearing Manufacturer

We, LLG are professional in producing the best quality of sleeve bearing in China for more than ten years. We create the highest quality of sleeve bearing and have been exporting bearing products to different countries in the world.
• A broad range of sizes are available;
• Comply with ISO standards;
• We accept customization;
• Wide variety of product options for different application conditions.

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    LLG Sleeve Bearing Manufacturer

    LLG Sleeve Bearing Manufacturer specialized in producing and processing first-class quality sleeve bearing in China. We use high technology in production and follow international standards to provide the best quality of sleeve bearing.
    Here in LLG, we optimize specifications to match the customer’s needs.
    If you are interested in our LLG sleeve bearing, just reach us out and our customer service will guide you in the whole process.

    LLG Sleeve Bearing Series

    204 Series Sleeve Bearing

    Diameter: 17mm-100mm

    Outside Diameter: 20mm-110mm

    Width: 24mm-63mm

    Featuring: Sleeve bearing is used in mining equipment, construction machine, metallurgy and other high loaded large machines; long working life and high load capacity; low friction, heat resistance,  maintenance-free and contaminant by oil.

    304 Series Sleeve Bearing

    Diameter: 17mm-100mm

    Outside Diameter: 20mm-110mm

    Width: 28mm-77mm

    Featuring: Sleeve bearing the primary purpose is to reduce friction, carry linear movements. Sleeve bearing has a lightweight and offers a long working life with a high-capacity load. It has a heat resistance and maintenance-free.

    2300 Series Sleeve Bearing

    Diameter: 20mm-260mm

    Outside Diameter: 25mm-280mm

    Width: 35mm-224mm

    Featuring: Sleeve bearing is usually found in most of the marine industry, auto industry, and food industry. Can use without oil with low cost and corrosion resistance. The shaft is made of high-quality with strong steel structures.

    3000 Series Sleeve Bearing

    Diameter: 90mm-450mm

    Outside Diameter: 100mm-480mm

    Width: 76mm-200mm

    Featuring: Sleeve bearing linear can be a single or double layer. It is very cost-effective, and it has dust and dirt resistance. Sleeve bearing is made for fast rotating applications with high wear resistance.

    30/1000 Series Sleeve Bearing

    Diameter: 470mm-1,000mm

    Outside Diameter: 500mm-1,060mm

    Width: 247mm-447mm

    Featuring: Sleeve bearing is a heavy-duty bearing with high-load capacity. High level of heat resistance and with long service life under heavy pressures. Very cost-effective and durable.

    Why LLG Sleeve Bearing

    LLG sleeve bearing ensures the highest quality of products to meet the customer’s needs and requirements. LLG sleeve bearing follows ISO standards and used advanced machinery.

    We can process according to customers drawing or design, manufacturers according to customers’ design.

    LLG sleeve bearing provides pre-sales and after-sales services from customers’ inquiries, sample testing supports up to training on how to install the machine.

    We are looking forward to establishing a long-term cooperative relationship with you. If you are interested in our sleeve bearing or any of our bearing products, please feel free to contact us.

    Sleeve Bearing Producing

    LLG Sleeve Bearing Application Areas:

    Appliances Sleeve Bearing
    Automobile Sleeve Bearing
    Aviation Sleeve Bearing
    Chemical Industry Sleeve Bearing
    Chemical Industry
    Manufacturing Plant Sleeve Bearing
    Manufacturing Plant
    Heavy machinery Sleeve Bearing
    Heavy machinery
    Food & Beverage Industry Sleeve Bearing
    Food & Beverage
    Printing Equipment Sleeve Bearing
    Printing Equipment

    LLG-Your Professional Sleeve Bearing Supplier

    LLG Sleeve Bearing


    LLG Sleeve Bearing consists of metal, plastic composite sleeves that reduce vibrations and noise by absorbing friction. LLG Sleeve Bearing will make the bearing more durable and maintain a long lifespan.

    Our sleeve bearing quality performance has met and exceeded international standards; high technologies, strict quality control, and professional employees.

    LLG Sleeve Bearing is commonly used in the food & beverage industry, chemical industry, manufacturing plant, appliances, printing equipment, machinery repair shops, automobile, etc.

    We are also accepting minimum order quantity, OEM brand with premium quality service, and your bearing drawings are also accepted for customization.

    LLG Sleeve Bearing is looking forward to establishing a long-term cooperative relationship with you.
    Please send us your inquiries, and our friendly customer service will guide you through the whole process. Get in touch!

    Sleeve Bearing – Ultimate Faqs Guide

    You must be looking for a sleeve bearing to reduce vibration and absorb friction between your machinery. The best manufacturers in China are now providing you the best sleeve bearing and here we have covered all the info on sleeve bearings in our ultimate FAQs guide.

    What Is A Sleeve Bearing Used For?

    A sleeve bearing is a small bushing also related to a plain bearing.

    This bearing is used for reducing friction and vibration in order to facilitate and improve the linear movement of two parts of any machinery.

    Sleeve Bearing

     Sleeve Bearing

    These bearings are made from fiber-reinforced composite along with plastic and metal components.

    In easy words, a bearing may be considered as a sacrificial material that acts and works between components to make any machinery keep running during a process. 

    LLG bearings are offering the best sleeve bearings in China.

    What Is The Difference Between Ball Bearing And Sleeve Bearing?

    A sleeve bearing is made up of plastic and metal material and they usually don’t last longer as compared to ball bearings.

    Sleeve bearings have their limitation in mounting as they are mounted only horizontally to minimize friction between components.

    These bearings are not made to work under high temperatures.

    They require lots of maintenance and lubrication in order to stay working.

    Ball bearings are a little bit expensive than sleeve bearings but they have a higher lifespan.

    They are easy to mount in any orientation, unlike sleeve bearings.

    They are made to work under high temperatures and usually, they can exceed the temperature limit of 70°C.

    Sleeve bearing provides a low life expectancy of a finished product whereas a ball bearing increases about 50% of life expectancy.

    Sleeve bearing provides a quiet environment for the machine but is slow whereas ball bearing can produce more sound and perform more.

    Do Sleeve Bearings Need Lubrication?

    Sleeve bearings operate under-speed, friction, and viscosity for which they require oil lubrication.

    These bearings can support heavy loads and it’s important to balance the components and provide a smooth linear movement for them with oil.

    Sleeve Bearing

    Sleeve Bearing

    The lubrication can be given with oil as plain bearings are normally oil lubricated, you can also consider giving grease lubrication to the bearing for slow movements.

    A sleeve bearing that is not lubricated for a time may get corrosion and end up turning into a bad component of your machinery that can greatly affect your working process.

    Grease is used for heavy-duty lubrication where the machinery has lots of loads and works all day.

    Oil lubrication is suitable for machinery that works under less load as compared to heavy loads that require grease.

    What Is Flanged Sleeve Bearing?

    The bearing that has flang on one end and is pretty much similar to a cylindrical sleeve bearing is called a flanged sleeve bearing.

    This type of bearing acts best as a load-bearing surface and it is mostly used in aircraft design or most automobile manufacturing.

    Other uses of this bearing include the use in agriculture purposes and some electronic appliances as well as machinery. 

    The best-flanged sleeve bearings are available at LLG bearings that deliver the best bearings as a manufacturer and supplier in China.

    What Is The Difference Between Adapter Sleeve And Withdrawal Sleeve?

    An adapter sleeve is one having a tapered hole that is placed on a cylindrical shaft to act as an optical axis.

    Adapter Sleeve Bearing

    Adapter Sleeve Bearing

    This type of sleeve is a commonly used accessory that can also be used for the stepped shaft. 

    On the other hand, withdrawal sleeves are used in a situation where a cylindrical seat of a stepped shaft has a tapered bore, and mounting for the bearing is needed. 

    It mounts the bearings by pressing the sleeve that is located on the shaft into the bore of the cylinder or the inner ring that abuts the shaft. 

    You can get both of these bearings from LLG bearings who are the best manufacturers for sleeve bearings in China.

    How Do You Choose A Sleeve Bearing?

    To select a sleeve bearing, there are various considerations to keep.

    • The internal portion should only be selected if it has proper mounting and that has versatile operating conditions. 
    • Bearing ID is positioned inside the diameter that can be checked with the OD that also resides inside the diameter of a bushing. 
    • The loading capacity is a critical factor to consider as a bearing with heavy load capacity is always suitable. 
    • The compression limit of the bearing should be in pounds per square inch having static speed application of 1/3 of its compression.
    • The rotating speed of sleeve bearing plays a crucial role that must be checked and it depends highly on the material of the bearing along with the lubrication used.
    • The sliding speed of the bearing and the specific load that it can tolerate have great influence that must be checked thoroughly before choosing a sleeve bearing.
    • A bearing that results in lower PV means that your bush life is greater through which you can make your selection.

    What Are The Different Types Of Sleeve Bearing?

    There are the following types of Sleeve bearings and each of them has its own property.

    Sleeve Bearings

    These are the common type of bearings that are mostly used for supporting linear movement between two components of machinery or any device.

    These bearings are also used in oscillating instruments and rotating shafts as they work by sliding action. 

    Flange Bearings

    The bearings that are perpendicular to the mounting surface while supporting a shaft are known as flange bearings.

    These types of bearings can help to hold a sleeve bearing in one position and they act as a locating mechanism for several purposes.

    They are useful in linear and rotary movement mechanisms where they help to reduce friction between surfaces.

    Mounted Bearings

    Mounted bearings are placed on the top of the cylindrical shafts and these bearings are meant to fit perfectly on a spot. 

    These are designed to sit with perfect adjustment as a loose-fitting can slip the shaft and too tight-fitting for a shaft can stop the movement. 

    Thrust Bearings

    Thrust bearings play a major role to avoid the collision of metal components in a structure of machinery. 

    The metal-to-metal contact is prevented so that better movement is produced and machines can work with good efficiency. 

    This type of bearing is easy to install as they are mostly made with plastic and they are self-lubricating as well. 

    Spherical Bearings

    The bearings that are used to manage shaft misalignment and compensate within it by rotating from two directions are called spherical bearings. 

    A rotating shaft may call on for angular movement as well as for the rotational angle where a spherical bearing can support the mechanism. 


    How Long Do Sleeve Bearings Last?

    A normal sleeve bearing may last for 41,000 hours.

    In terms of shelf life, a sleeve bearing can have 3 years of life.

    Sleeve Bearing

    Sleeve Bearing

    If it is lubricated and kept in a suitable environment, then it is possible that it may last more than 3 years.

    Such a sleeve bearing can run for years to accommodate the mechanics in your fans or any such machine.

    The best sleeve bearings from LLG bearings have a good long life and they are satisfactory products as well.

    Are Sleeve Bearings Good?

    Sleeve bearings have found their use in almost all mechanical applications as they are rugged in design and very cheap as well.

    Sleeve Bearing

    Sleeve Bearing

    Normally, the simple and inexpensive sleeve bearing can last for about 3 years on a shelf which makes it a pretty good bearing.

    Their design is made to make them last in any harsh weather conditions and the mechanism of a machine doesn’t get disturbed.

    When used in fans, sleeve bearings are pretty good as they are quiet and they don’t make enough noise that might disturb you.

    The sleeve-like structure of the central shaft in a sleeve bearing helps to rotate the motion and they don’t make any noise which makes them a perfect fit for office use.

    These bearings have a good life with oil lubrication and they deliver great performance in terms of working conditions.

    How Does A Withdrawal Sleeve Work?

    A cylindrical seat of stepped shafts requires a tapered bore that is done with withdrawal sleeves to mount bearings on it.

    The withdrawal sleeve specifically is pressed on the bearing’s inner ring through its bore to join with the shaft in a fixed component.

    Withdraw Sleeve

    Withdraw Sleeve

    A nut or end plate is used to fix this sleeve on the shaft.

    LLG bearings are the manufacturer in China that delivers all the nuts, bolts, bearings, and shafts for a mechanical structure throughout different countries.

    What Is A Sleeve Bearing Fan?

    A sleeve bearing fan is typically a cooling fan or a PSU fan that acts as a cooling component.

    The use of sleeve bearing in a PSU fan has decreased the cost but the life of the product is also decreased within it.

    Sleeve bearing fans are usually low in noise which is why most people prefer using these as they are also very cost-effective.

    Lubrication is added on the Fan’s shaft and the bearing’s inner component to reduce the friction and reduce the noise as well to make everything quieter and better.

    Are Sleeve Bearing Fans Bad?

    The sleeve bearing fans are less expensive due to low build quality and hence they have lower lifespans.

    You cant say that they are bad but they are not perfect either.

    Sleeve bearing fans only find their use when there is a component that requires to work smoothly without sound and at a less cost.

    Sleeve-bearing fans are good in terms of short lifespan and performance during that time frame to work perfectly for everything.

    After the lubrication in a fan is evaporated due to any reason, there is a chance that the life of the sleeve bearing fan can end instantly.

    How Do You Lubricate A Sleeve Bearing Fan?

    Lubricating a sleeve bearing fan is not a tricky process as it may sound and it requires the following few steps to complete the procedure.

    • First of all, you need to elevate the fan to a certain angle through which you can easily lubricate the bearing area.
    • Open the fan and also get a tube for using oil on the sleeve bearing.
    • Use few drops on the bearing component and rotate it likewise with every drop so that lubrication reaches everywhere inside it.
    • Let the oil make its way down and provide easy sliding of the bearing after which you can leave one or two drops on the back of the bearing that is fixed on the shaft.
    • Rotate the bearing again for some time for proper lubrication.
    • After that, you can close the housing and then place the fan back on the bearing.

    Sleeve Bearing

    Sleeve Bearing

    If the lubrication is insufficient in clearing contaminants, or it is a dry bearing application, having the contamination become embedded into a softer material can minimize wear. However, the softer the material, the more load, and speed become a concern.

    Which Is Better Sleeve Or Ball Bearing?

    Both of the bearings have their own roles for heavy and low load conditions in machinery.

    A sleeve bearing is useful in terms of lower load equipment as it can accommodate a fine load and has a life of about 3 to 4 years.

    Ball Bearing

    Ball Bearing

    A ball bearing has more load capacity and it can work more than sleeve bearing but makes more sound.

    The lifespan of an average ball bearing is about 5 to 6 years which is more than sleeve bearing but sleeve bearings are cheaper than ball bearings.

    For low temperatures, you can consider sleeve bearings as they can work under 70°C and it costs way too little.

    For high temperatures, the ball bearing is best as it can even face more high temperature and more load conditions having a better lifespan and more cost than a sleeve bearing.

    A ball bearing may be noisy in terms of mechanical use whereas a sleeve bearing is quiet and smooth.

    Sleeve bearings are preferred for horizontal orientations in the process of mechanical components while ball bearings can be mounted in any orientation.

    Which Material Is Used In The Manufacturing Of Sleeve Bearing?

    Sleeve bearing finds their use in all types of machinery and load which is why they are made from different materials such as steel, bronze, and even stainless steel.

    For certain applications, brass and plastic bearings are also manufactured in some conditions.

    There is a possibility of Babbitt materials to tailor with a specific application. 

    A sleeve bearing that is manufactured with bronze is a blend and it has a greater softness and better performance in a structure. 

    A sleeve bearing can also be made with metals like Zinc and lead that have less hardness like aluminum or tin which improves the performance of the bearing as well. 

    A sleeve bearing for aircraft application and other industrial use is made from aluminum material that fits best for the conditions. 

    Such a sleeve bearing requires proper lubrication as the aircraft designs have lots of mechanics going on and it should be ensured that all components work fine.

    A sleeve bearing manufactured from Zinc metal has better properties and it doesn’t need more supply of lubrication and only bearing grease should be applied with them. 

    A sleeve bearing manufactured from bronze has a great capacity to handle the load in working from 25,000 to 40,000 psi in any rotary application as well as in oscillating application. 

    A plastic sleeve bearing that is manufactured is meant to be a higher modulus of elasticity that is best suitable for reducing vibrations and facing damping and shock loads. 

    The bearings from plastics make things very cost-effective and they are easy to adjust and use along with their replacement as well. 

    LLG bearings provide all types of bearing manufacturing for each type of material and component along with its delivery across China.

    What Are The Advantages Of Sleeve Bearing?

    A sleeve bearing can find its place or use in almost any cooling fan or other such equipment having the following advantages.

    • It is manufactured at a low cost.
    • It requires very little maintenance.
    • It is easy to install.
    • It reduces noise and vibration.
    • It is easy to replace.

    What Are The Dimensional Specifications Of Sleeve Bearing?

    Following are the dimensional specifications of an average sleeve bearing.

    Sleeve Bearing

    Sleeve Bearing

    • A bore diameter of 35mm.
    • Outside diameter small taper 45mm.
    • Outside diameter lock nut 64.4mm.
    • The width is 54mm.
    • The width of the lock nut is 11.3mm.
    • External taper 1:12

    How To Choose The Best Quality Sleeve Bearing?

    The best quality of a sleeve bearing is chosen upon various considerations that include the diametral clearance, materials used, and ease of use.

    The coefficient of thermal expansion is also observed with the precision of a rotation speed of a bearing.

    A shaft’s diametrical clearance is also necessary to observe the quality of a sleeve bearing along with surface roughness.

    A typical sleeve bearing can have a good quality score clearance with 0.002 to 0.004 inches.

    While considering the best quality sleeve bearing, it’s important to know how much temperature can it hold and work under pressure.

    There is also a requirement for understanding the movement and linear motion of the sleeve bearing to find it satisfactory or not for the machine.

    Generally, the material of the bearing having soft property than that of the shaft is considered to be the best quality bearing.

    A sleeve bearing that doesn’t get affected or stuck with the movement on the shaft and doesn’t slip during any process is the optimum sleeve bearing.

    A soft material bearing can be more beneficial for working on more loads and speed and accommodate the whole mechanical process that is going on.

    How To Choose The Right Sleeve Bearing Manufacturer From China?

    LLG bearings are the best manufacturer of sleeve bearings in China.

    This organization is providing bearings of every type including sleeve bearings, ball bearings, and various other such components for machinery.

    Sleeve Bearing

    Sleeve Bearing

    The best manufacturer in China offers discounted offers and wholesale sleeve bearings for your manufacturing line of a product.

    You can now get sleeve bearings in bulk from LLG bearings at reasonable pricing.

    The best sleeve bearings are chosen in terms of their build quality and reliability that are all offered by LLG bearings across different countries while maintaining the standard of manufacturing.

    LLG bearing is the right sleeve bearing to go for when you are looking for sleeve bearings in China.

    What Is The Shelf Life Of Sleeve Bearing?

    The average shelf life of any sleeve bearing according to surveys and tests is to be three years at least. 

    Some sleeve bearing can last longer than that if the temperature conditions and the weather in that area are optimum.

    The use of lubrication on sleeve bearings can highly affect their lifespan and it can give them more life expectancy.

    The lubricant deteriorates and separates the oil and condensation from bearing overtime that is placed somewhere for years and then it starts to get corrosion.

    Buying sleeve bearings from LLG bearings can help you get better and high-quality sleeve bearings that have a long life expectancy and shelf life.

    What Is The Difference Between Sleeve Bearing And Bushing?

    A bearing is generally something that accommodates or helps the motion that takes place between any two components.

    Sleeve Bearing

     Sleeve Bearing

    A sleeve bearing also related to a plain bearing is used for reducing friction and vibration.

    It can facilitate and improve the linear movement of two parts of any machinery.

    Sleeve bearings are manufactured from fiber-reinforced composite along with plastic and metal components.

    The bushing is considered as a sub-type of a bearing. 

    Bushings are a single part or a component that act as a bearing to accommodate the movement or structure of anything.

    The difference between both of them is that bushing doesn’t allow rolling elements whereas the bearing allows free motion between any two parts of a machine.


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