Product Description

 HangZhou Longyuan Bearing Manufacturing Co., Ltd. primarily produces tapered roller bearings,
deep groove ball bearings, self-aligning bearings, automobile bearings, bike bearings,
thrust ball bearings, wheel bearings and other series of bearings. The company has twenty tech-
nical developers and more than eighty staff. It is the 1st bearing testing tools in Chi-
na, with an yearly manufacturing of much more than 1 million sets, Exceptional popularity, attempt to construct
the company’s competitiveness, trustworthy top quality and buyer fulfillment. Our goods are
exported to foreign companies this kind of as the United States, France, Britain and Italy, and have recognized a great worldwide and domestic provide status. Business persistence “Qu-
ality for growth, buyer 1st” business policy. Welcome consumers at house and abro-
advertisement to negotiate and purchase.


one. who are we?
We are primarily based in ZheJiang , China, begin from 2012,promote to Domestic Industry(30.00%),Southeast Asia(fifteen.00%),Oceania(10.00%),South Asia(ten.00%),North The usa(10.00%),Mid East(9.00%),Japanese Europe(8.00%),Eastern Asia(8.00%). There are overall about eleven-50 people in our place of work.


two. how can we assure top quality?

Always a pre-manufacturing sample prior to mass production

Constantly last Inspection just before cargo


3. what can you purchase from us?

Deep groove ball bearing,Tapered Roller Bearings,Thrust ball bearing,Flywheel,Bearing sleeve.


four. why should you get from us not from other suppliers?



five. what providers can we supply?

Accepted Shipping and delivery Conditions: null

Recognized Payment Currency:null

Approved Payment Type: null

Language Spoken:null


Varieties of Ball Bearings

There are many kinds of Ball Bearings offered on the market, but which 1 is greatest for your software? Listed here, we will talk about the differences between Angular contact, Solitary-row, Substantial-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the heart of each. These races are crucial in retaining the balls contained within the cylinder. They also provide a groove-baed pathway.


The ceramic ball employed in ball bearings has many advantages. It is lightweight, operates at reduce temperatures, has lowered skidding, and is resistant to electrolysis. The ball also exhibits lengthier exhaustion daily life. All of these elements make the ceramic ball a good decision for numerous applications. But, how do you know if a ceramic ball bearing is proper for your software? Study on to learn why ceramic ball bearings are a better decision than metal or stainless metal types.
The ceramic balls are forty% a lot more dense than metal. This signifies less centrifugal pressure is produced on the bearing, which suppresses warmth era. Since of this reduced friction, ceramic bearings are much more successful at transferring strength. In contrast to metal bearings, ceramic balls have longer existence spans. Nevertheless, these ceramic balls usually are not as strong as steel. Consequently, it is important to realize the limits of the ceramic ball bearing ahead of acquiring one.
The ceramic materials utilized for ball bearings are resistant to micro-welding. Metals endure this method when imperfections in the surfaces interact. Ultimately, this outcomes in a brittle ball that lowers the existence of a bearing. Not like metals, ceramic supplies have a steady actions at higher temperatures and show much less thermal expansion. This implies that they can be utilized for programs exactly where lubrication is not an option.
Although steel balls can simply soak up contaminants and overseas particles, the ceramic ball is insensitive to this, and doesn’t call for lubrication. This indicates they’re not susceptible to corrosion and other typical issues. These are just a couple of motives why ceramics are a much better decision. This engineering has a broad variety of uses. It’s easy to see why it is so popular. If you are looking for a new bearing for your software, be positive to speak to an AST Purposes Engineer. They can examine your working conditions and likely failure modes.

Angular contact

An Angular Speak to Ball Bearing (also identified as an angular-make contact with bearing) has an axial part that is generated when radial masses are utilized. They are generally employed in pairs, triplex sets, or quadruplex sets. These bearings are also offered with Super Concluded Raceways to decrease noise and boost lubricant distribution. Angular contact ball bearings have numerous layout units, these kinds of as bore dimension, outer diameter, and outer ring width.
A one-row angular get in touch with bearing has a radial speak to angle that is equal to the angular length in between the two rings. Double-row angular bearings are created for two-way thrust functionality. These sorts of bearings can be bought at Grainger and other on-line suppliers. A typical angular contact bearing will very last up to a million revolutions. They are often utilised in industrial angular speak to bearings.
Single-row angular get in touch with ball bearings feature a established contact angle. These bearings can assist radial and axial hundreds, but they cannot stand up to high speeds. Single-row angular contact ball bearings could also have a single or two shoulders relieved. Thrust load is a strain put on the bearing when it is installed in an assembly, and it is employed to develop an angle between the races.
Angular get in touch with ball bearings arrive in one and double-row configurations. They differ in the axial load they can carry and the type of lubrication they use. Angular get in touch with ball bearings are perfect for substantial-speed programs and can accommodate equally radial and axial hundreds. The kind of make contact with and lubrication employed in angular-get in touch with ball bearings relies upon on the intended use for the bearing.

Higher-carbon metal

Carbon metal is a reduced-alloy and substantial-carbon steel employed in bearings. This content provides outstanding toughness and tiredness qualities for ball and roller bearings. Its mechanical qualities are perfect for programs where the temperature is considerably less than four hundred levels Fahrenheit. Large-carbon metal is also used to make bearing parts for chrome metal bearings. These kinds of steels are softer than chrome steel but offer outstanding longevity in programs exactly where the material is uncovered to serious problems.
Hardened carbon steel balls with an AISI 1015 hardness index are utilised in a assortment of automotive, commercial, and semi-precision applications. In addition to automotive purposes, they are also utilized in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are used in bearings. They can be acquired in a variety of weights and diameters. Carbon metal balls can also be obtained in nickel-plated or uncoated kinds for ornamental needs.
In get to determine whether or not a ball bearing is manufactured of high-carbon steel, the material should be examined for its hardness. An regular pocket magnet will perform nicely, but an regular unusual earth magnet isn’t really strong enough to evaluate the hardness. If it appeals to the magnet strongly, the metal is steel, although a weak magnet suggests a non-ferrous material. A hardness examination demands a special microhardness take a look at.
A lower-carbon metal is yet another choice. Some miniature bearing manufacturers use a material with significantly less carbon than AISI 440C. This content is also identified as KS440 or X65Cr13. Right after getting warmth-taken care of, it develops smaller carbides, resulting in excellent minimal-noise attributes and the same corrosion-resistance as 440C. These resources are a considerably less pricey substitute than chrome metal, but they are often significantly less resilient than chrome alloy metal.


Single-row angular contact ball bearings accommodate axial hundreds in a single route. These are generally modified towards a second bearing. In contrast to other ball bearings, they are non-separable and include an upper and reduce shoulder. One-row ball bearings are made of Chromium Steel (GCr15) which is heat-taken care of to attain substantial uniform hardness and outstanding wear resistance. They are the most frequently utilized variety of bearings in the globe.
Since of the angular get in touch with in between the radial airplane and the raceway, one-row ball bearings transmit radial forces from raceway to raceway. A increased a, the increased the axial load carrying capacity of the bearing. Single-row angular speak to ball bearings are ideal for large axial masses. Even so, they have limited preload abilities and must be set up in pairs. Therefore, they are best utilized for apps the place axial forces should be distributed.
One-row ball bearings can be pre-lubricated and have metal shields. They are also accessible with rubber seals or snap rings on the outside edge. They are obtainable with a variety of retainers, such as pressed metal cages, plastic shields, and rubber seals. A tapered bore is also available upon request. They are ideal for programs exactly where place is constrained. The 6200 sequence of bearings are particularly properly suited for electrical motors, dental hand equipment, and optical encoders.
One-row angular speak to ball bearings are extensively employed for axial loads. The outer and interior rings have somewhat bigger radii than the balls. These bearings can accommodate substantial speeds and lower torque. They can also be supplied with different grease ranges. If grease is essential, you can select a lubricant that has various attributes relying on the application. They are effortless to set up and maintain. Nevertheless, they are not recommended for adjacent mounting.


A plastic ball bearing is a very versatile element that can be mounted in a assortment of factors, which includes wheels, pulleys and housings. The outer ring of a plastic bearing is typically the pulley profile. The internal ring can be produced of a shaft or polymer. The built-in layout of a plastic ball bearing will help to decrease assembly time and expense. Below are some of the benefits of this type of bearing:
Very first and foremost, plastic balls are lighter than steel balls. They also have less magnetic qualities than steel balls, generating them the very best option for programs necessitating low weight and noise. Glass balls are also lighter than stainless steel balls, creating them the excellent metal-totally free decision. They are also extremely corrosion-resistant, which can make them a great option for some applications. In addition to becoming lightweight, polymer ball bearings are also tranquil. And simply because of their minimal weight, plastic ball bearings are ideal for programs that call for rapidly speed.
Yet another benefit of plastic bearings is their ability to stand up to higher temperatures. This materials is also abrasion and corrosion-resistant. It satisfies Food and drug administration and USDA acceptance specifications. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer warmth. Apart from being really sturdy and flexible, most plastics are also self-lubricating. Frequent plastics include phenolics, acetals, nylon, and extremely higher molecular excess weight polyethylene. However, plastics have limitations, and these resources may be broken by excessive temperatures or chilly circulation under heavy masses.
Other positive aspects of plastic ball bearings consist of their minimal density, substantial hardness and reduced friction coefficient, and ability to face up to warmth and corrosion. Ceramics are also light-weight, non-conductive, and have superior resistance to friction. These merchandise can endure temperatures up to 1,800 degrees Fahrenheit. If you might be in the marketplace for a plastic ball bearing, it is crucial to pick the appropriate type of material. And if you happen to be looking for a high-quality bearing, look no further.

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Steel Ball Bearings

As one of the leading steel ball bearings manufacturers, suppliers, and exporters of mechanical products, We offer steel ball bearings and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of steel ball bearings.

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