Solution Description

Factory profile 

(1)ZheJiang  Hailan Bearing Manufacture Co., ltd, is the professional manufacture and exporter of Pillow block bearing, make the bearing and housing all by ourselves.
(2)20 years' expeience of producing and exporting all kinds of bearings. 
(3)With the advanced technique and equipments, we can provide high-level products under standard process and device .
(4)We have passed the ISO9001:2000 International Quality Management System and got the Certificate of Import & Export from our government . 
(5)The annual output is more than 10 million sets 

Product Description:

Pillow blocks consist of the insert ball bearing and housing. 
Insert ball bearing are designed in almost the same way as deep groove ball 
bearing, except the outer ring is spherical and the inner ring is wide. 

Agricultural machinery, construction equipment, conveyor systems, textile machines and mining machines etc. 



Data info

Trade Term

Bearing Characteristics :


(1) We are bearing manufacturers,provide you with all kinds of ball and roller bearings  
(2) 20 years' export experience
(3) Competitive prices
(4) Free sample
(5) High quality and high precision
(6) Good service(OEM ,Modle desigm)
The variety of the bearings we supply in long term

Internet site: http://fkdbearing
 Quality Management: 

(1) How to prolong service life of bearings?
   Accurate installation and using,alignment,timely monitor,re lubrication etc.
(2) Reason for bearings failure?
   Usually is incorrect using method,pollution,improper use of lubricant,damage happened in installation and handing,also including installation error.according to the traces can know the reason why is failure.
(3) How to choose bearings?
   Analyse mechanical device and use conditions.clear the requiremment of type of bearings,select distribution way of bearings.selet dimensions of bearings,select installation method of bearings.
(4) When select bearings specifications,what you need to consider?
   The precision of the bearings(rotating precision,dimensional tolerances)internal clearance and preload bearing material and heat treatment.structure of cage and material.
Pls feel free to contact us ,if you are interested.

Deciding on the Right Ball Bearing for Your Application

When deciding on a Ball Bearing, there are a number of things to contemplate. These elements incorporate: the dimensions, lubricant variety, presence of corrosive agents, stray electrical currents, and far more. It can be challenging to pick the right kind, dimensions, and variety of ball bearing for your software. You ought to also cautiously compute the hundreds to figure out the correct size. Right here are some tips for choosing the right Ball Bearing for your software.


The single-row ball bearing is one of the most common types of bearings. The internal and outer ring are developed with raceway grooves that are formed marginally greater than the balls. This kind of bearing has a lower torque and can manage higher-velocity apps with minimal energy decline. The radial dimensions of solitary-row ball bearings also vary, so it is possible to uncover a single that fits your distinct software. Apart from the previously mentioned-pointed out positive aspects, single-row ball bearings are also available with different grease stages and are widely relevant to programs exactly where the space is restricted.
Single-row ball bearings are also called angular-get in touch with ball bearings. Since of their solitary-row design, they are not separable and can accommodate a higher-velocity, hefty-responsibility application. One-row angular-make contact with ball bearings can only take care of axial load in a single direction, and they must be set up in pairs for pure radial masses. Single-row ball bearings are a well-liked sort of rolling bearings and can be utilized for a vast variety of apps.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile firm in Sweden. While he was liable for generating creation as productive as feasible, he shortly realized that the equipment he had in area wasn't operating as effectively as it could. Although ball bearings are wonderful for decreasing friction, they were not versatile ample to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a frequent sphered raceway. The internal ring is curved and combines the two rows of balls into a single cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be utilised in easy woodworking equipment, ventilators, and conveying products. They are often the desired choice for programs where shaft alignment is an problem.


A Ceramic ball bearing is a variety of large-functionality bearing that is offered in equally full-ceramic and hybrid varieties. The main distinctions amongst ceramic and metal ball bearings are their development, lubrication, and mobility. Large-high quality ceramic ball bearings are tough, and they are best for corrosive and high-temperature purposes. The materials utilised to generate these bearings aids avert electrolytic corrosion. They are also ideal for decreasing the friction and lubrication specifications.
Ceramic balls are tougher and considerably less brittle than steel balls, which offers them a greater degree of rigidity. Ceramics also have a greater hardness, with a hardness of Rc75-eighty in contrast to Rc58-64 for steel balls. Their large compressive strength is approximately 5 to 7 times increased than steel. In addition, they have a quite reduced coefficient of friction, which permits them to spin at increased speeds and with considerably less friction. This increases their lifespan and toughness, and decreases the strength needed to change cranks.


Unlike traditional bearings, metal balls have a fairly uniform hardness. Carbon metal, for occasion, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper material have to be no more than .40% and manganese content material should not be more than 1.sixty five g/cm3. Right after carbonizing, steel balls endure a approach named sizing, which improves their roundness geometry and hardness.
The main variations between steel ball bearings and ceramic ball bearings can be traced to their distinct components. Ceramic balls are manufactured from zirconium dioxide or silicon nitride. Silicon nitride is more difficult than steel and resists shocks. The outcome is enhanced speed and more time support life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, toughness, and tolerance, but are not as typical as steel ball bearings.


The most well-known types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications necessitating higher chemical resistance. Polypropylene is a structural polymer that provides excellent actual physical and chemical qualities, such as outstanding resistance to natural and organic solvents and degreasing agents. Its lightweight, low moisture absorption charge, and excellent heat resistance make it an superb decision for substantial-temperature applications. Even so, plastic bearings are not with out their negatives, specifically when running at really substantial temperatures or beneath large loads.
Compared to steel bearings, plastic ball-bearings do not require lubrication. They also are extremely corrosion-resistant, generating them an outstanding choice for clean-down apps. They are also publish-, autoclave-, and gamma sterilizable. A lot of conventional steel ball-bearings can't deal with the higher temperatures of meals processing or swimming swimming pools. In addition to large temperature programs, plastic ball bearings are resistant to chemical substances, including chlorine.


Plastic sliding bearings are molded bearings manufactured of engineering plastic. With self-lubricating modification technological innovation, these bearings can be created by injection molding of plastic beads. They are widely employed in a variety of industries this kind of as office equipment, health and fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other purposes, like health care equipment. Glass ball bearings have outstanding corrosion resistance, superb mechanical houses, and are electrically insulators.
Plastic ball bearings are created of all-plastic races and cages. These bearings are ideal for applications that are uncovered to acids and alkalis. Because they are less expensive than glass balls, plastic ball bearings are common in chemical-exposed environments. Stainless steel balls are also resistant to warmth and corrosion. But the principal disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if fat and sound is your principal problem, think about making use of plastic balls instead.


The global miniature ball bearing market is predicted to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the location is attributed to technological progression and federal government initiatives. Countries this sort of as India and China are attracting FDIs and emphasizing the establishment of a international production hub. This is boosting the marketplace for miniature ball bearings. The miniscule ball bearings are manufactured in little quantities and are really tiny.
Some makers create miniature ball bearings in different resources and types. Chrome steel is the most common substance for miniature ball bearings because of its large load capacity, reduced sound houses, and reduce cost. But the expense of stainless steel miniature bearings is low, considering that the amount of metal employed is minimal. Stainless steel miniature bearings are the smallest in measurement. For that reason, you can select stainless metal mini ball bearings for substantial-velocity programs.

Angular-make contact with

Angular-contact ball bearings have three elements: a cage, inner ring, and balls. Angular-get in touch with ball bearings can support higher axial and radial hundreds. A variety of style and manufacturing characteristics make angular-speak to ball bearings ideal for a assortment of purposes. Some functions of this bearing variety include a unique lubricant, distinct cage supplies, and diverse coatings.
The measurement of an angular-contact ball bearing is decided by the design and style models: outer ring width, axial load, and radial load. Depending on the kind of application, an angular-make contact with ball bearing may possibly be made in double-row, triple-row, or quadruple-row configurations. Angular get in touch with ball bearings can be categorised according to their layout models, which assortment from metric to imperial. A higher ABEC variety signifies tighter tolerances. To determine the tolerance equal of a specific bearing, consult a standard Angular-contact ball bearing table.
Angular-speak to ball bearings feature substantial and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial hundreds. They are available in self-retaining models with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most common, but light-weight phenolic cages are also available. The latter is a greater option because it does not take in oil and has reduced rolling friction.


When it will come to the construction of a ball bearing, substantial-good quality uncooked materials are a crucial part. These materials not only impact the all round good quality of a ball bearing, but also affect the value. Which is why you ought to pay near focus to raw material good quality. In addition to that, raw materials need to be analyzed several times before the producing approach to ensure high quality. Study on for some details about the various varieties of supplies employed to make ball bearings.
Metal is the most widespread material for ball bearings. Most ball bearings incorporate stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. Nonetheless, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some purposes. If you might be seeking for a metallic-totally free alternative, glass balls are the way to go. They're durable, light-weight, and resistant to a extensive variety of chemical compounds.

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