Product Description

Company profile:

ZheJiang CZPT Bearing Manufacture Co.,Ltd ( was initially started in 1988 as HangZhou CZPT Bearing Manufacture Co.,Ltd) is 1 of the Chinese bearing companies and exporters . It is the business of well-know trademark of ZheJiang and higher good quality merchandise of ZheJiang is situated in the Hometown of Bearing in the LinXi county, ZheJiang Province, North of China,. We commit ourselves to investigation & advancement, production, promotion and application of Pillow block bearing and all other types of bearings .

There are much more than five hundred staff ,Including fifty Technicians And Engineers in our team. And the area of land is 100000sqm(Plant is 65000+sqm), We have Pillow Block Bearings computerized creation line, automated inspection line and Bearing Housing generation line. We obedience to the procedure philosophy of”differentiation types in product, technological modernization, manufactural professionalization, quality leading quality, value less costly”, We have an yearly generation and revenue of more than 19 million pieces of Pillow Block Bearings , Deep Groove Ball Bearings, Taper Roller Bearings and all other types of bearings , our items are extensively utilized in various varieties of transmission products, mining machinery, engineering equipment, textile equipment, agricultural equipment, forestry equipment, building CZPT as so on .

Our organization has passed ISO9001:2015 top quality administration system certification. All of our production line adopt sophisticated specialised products, And over ninety% of merchandise were created by automatic tools . Also we adopts the international standards for technical good quality requirements, innovative producing procedures and CZPT technology and management philosophy to offer customers with high quality goods. Our 3 registered brand FE,FKD,HHB were properly known in the in excess of sea market . Over 90% of the merchandise are exported to much more than 68 nations and locations in the entire world. As 1 of the Chinese bearing exported enterprises, We have developed the extended-term strategic partnership with plenty of buyers close to the globe, developing the strong advertising network and services platform in the domestic and in excess of sea market place.

Hailan bearing strongly advocates the corporate society of “unity, mutual assistance, cooperation and acquire-get”, adheres to the folks-oriented Philosophy , and focuses on the introduction of pros, strengthens workers instruction, increases personnel good quality, and improves the competitiveness of the business. All staff of the company sincerely hope to cooperate with all the consumers in very good CZPT to market the common advancement ! 

Let’s make development jointly on the way of acquaintance, cooperation, successed !

Your need is our pursuit!

we are single-minded, so we are speciality!


Items List :

6000 series deep groove ball bearings                                                                               


6200 Collection Miniature Deep Groove Ball Bearing  

6300 Sequence Miniature Deep Groove Ball Bearing 

6800 Series Miniature Deep Groove Ball Bearing                                    

6900 Sequence Deep Groove Ball Bearing  

(1) How to prolong service life of bearings?

   Accurate installation and using,alignment,timely monitor,relubrication etc.

(2) Reason for bearings failure?

   Usually is incorrect using method,air pollution,improper use of lubricant,damage happened in installation and handi
ng,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.

Packaging :


Picking the Proper Ball Bearing for Your Software

When deciding on a Ball Bearing, there are a number of factors to consider. These aspects consist of: the dimension, lubricant sort, existence of corrosive brokers, stray electrical currents, and more. It can be challenging to select the correct type, dimension, and kind of ball bearing for your software. You should also meticulously calculate the hundreds to establish the correct dimensions. Below are some tips for choosing the correct Ball Bearing for your application.


The single-row ball bearing is one particular of the most common varieties of bearings. The interior and outer ring are designed with raceway grooves that are shaped somewhat bigger than the balls. This type of bearing has a lower torque and can take care of high-velocity purposes with nominal power loss. The radial proportions of solitary-row ball bearings also fluctuate, so it is possible to locate 1 that fits your certain application. Besides the above-described benefits, single-row ball bearings are also accessible with varying grease amounts and are widely applicable to purposes in which the space is limited.
Single-row ball bearings are also called angular-speak to ball bearings. Because of their single-row layout, they are not separable and can accommodate a higher-velocity, weighty-duty software. One-row angular-speak to ball bearings can only take care of axial load in one direction, and they need to be put in in pairs for pure radial loads. One-row ball bearings are a popular kind of rolling bearings and can be used for a vast variety of programs.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile organization in Sweden. Although he was accountable for producing production as efficient as possible, he shortly recognized that the equipment he experienced in place wasn’t functioning as successfully as it could. Although ball bearings are wonderful for minimizing friction, they have been not adaptable enough to compensate for misalignments in the device.
Self-aligning ball bearings have two rows of balls and a widespread sphered raceway. The interior ring is curved and brings together the two rows of balls into 1 cage. These bearings can tolerate shaft misalignment and compensate for static angular problems. They can be used in simple woodworking equipment, ventilators, and conveying products. They are often the desired option for apps exactly where shaft alignment is an concern.


A Ceramic ball bearing is a kind of large-functionality bearing that is available in equally complete-ceramic and hybrid forms. The principal variances between ceramic and steel ball bearings are their building, lubrication, and mobility. Higher-high quality ceramic ball bearings are resilient, and they are excellent for corrosive and substantial-temperature applications. The substance employed to generate these bearings aids avoid electrolytic corrosion. They are also ideal for minimizing the friction and lubrication specifications.
Ceramic balls are more difficult and much less brittle than metal balls, which provides them a larger diploma of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-eighty in comparison to Rc58-sixty four for steel balls. Their large compressive energy is approximately 5 to 7 instances higher than steel. In addition, they have a really reduced coefficient of friction, which enables them to spin at increased speeds and with much less friction. This raises their lifespan and durability, and decreases the vitality required to turn cranks.


Unlike traditional bearings, metal balls have a comparatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by bodyweight. In accordance to the American Iron and Steel Institute, copper articles should be no much more than .40% and manganese content material must not be a lot more than 1.65 g/cm3. Soon after carbonizing, metal balls bear a process called sizing, which improves their roundness geometry and hardness.
The principal distinctions amongst steel ball bearings and ceramic ball bearings can be traced to their distinct resources. Ceramic balls are created from zirconium dioxide or silicon nitride. Silicon nitride is harder than metal and resists shocks. The outcome is improved pace and for a longer time support lifestyle. Polyoxymethylene acetal (PMMA) bearing balls are identified for their stiffness, power, and tolerance, but are not as common as steel ball bearings.


The most common varieties of plastic ball bearings are manufactured of polypropylene or PTFE. These bearings are utilized in purposes demanding higher chemical resistance. Polypropylene is a structural polymer that offers exceptional physical and chemical homes, which includes outstanding resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption fee, and very good warmth resistance make it an outstanding decision for higher-temperature purposes. Nonetheless, plastic bearings are not with no their drawbacks, especially when operating at extremely higher temperatures or below hefty loads.
In contrast to metal bearings, plastic ball-bearings do not demand lubrication. They also are hugely corrosion-resistant, making them an exceptional option for wash-down programs. They are also post-, autoclave-, and gamma sterilizable. Several traditional metal ball-bearings can not take care of the large temperatures of foodstuff processing or swimming pools. In addition to high temperature apps, plastic ball bearings are resistant to chemical substances, such as chlorine.


Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technologies, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries this kind of as place of work gear, health and automotive products. In addition to plastic bearings, glass balls are utilized in a assortment of other purposes, like healthcare equipment. Glass ball bearings have excellent corrosion resistance, exceptional mechanical homes, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are ideal for purposes that are uncovered to acids and alkalis. Due to the fact they are more affordable than glass balls, plastic ball bearings are common in chemical-uncovered environments. Stainless steel balls are also resistant to warmth and corrosion. But the major drawback of plastic ball bearings is that they are not as sturdy as glass balls. So, if weight and sounds is your major concern, take into account making use of plastic balls instead.


The worldwide miniature ball bearing marketplace is predicted to get to US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the location is attributed to technological development and authorities initiatives. Nations around the world these kinds of as India and China are attracting FDIs and emphasizing the institution of a international producing hub. This is boosting the marketplace for miniature ball bearings. The miniscule ball bearings are produced in tiny quantities and are quite modest.
Some producers make miniature ball bearings in different resources and types. Chrome steel is the most common materials for miniature ball bearings due to the fact of its large load capacity, reduced noise houses, and decrease expense. But the cost of stainless steel miniature bearings is low, since the amount of steel employed is nominal. Stainless steel miniature bearings are the smallest in dimensions. As a result, you can select stainless steel mini ball bearings for large-velocity apps.


Angular-contact ball bearings have three factors: a cage, inner ring, and balls. Angular-get in touch with ball bearings can help higher axial and radial masses. Numerous design and style and manufacturing characteristics make angular-speak to ball bearings suitable for a selection of purposes. Some features of this bearing type contain a special lubricant, various cage components, and distinct coatings.
The dimensions of an angular-make contact with ball bearing is established by the design models: outer ring width, axial load, and radial load. Depending on the variety of software, an angular-speak to ball bearing could be made in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be categorised in accordance to their design models, which assortment from metric to imperial. A greater ABEC quantity implies tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a common Angular-speak to ball bearing desk.
Angular-get in touch with ball bearings characteristic higher and reduced-shoulder configurations. They have two-dimensional races that accommodate axial and radial hundreds. They are offered in self-retaining models with strong internal and outer rings, and ball and cage assemblies. Cages created of solid and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a greater choice since it will not absorb oil and has reduce rolling friction.


When it arrives to the building of a ball bearing, high-top quality raw materials are a essential component. These supplies not only have an effect on the all round high quality of a ball bearing, but also impact the cost. Which is why you should pay close focus to raw materials quality. In addition to that, raw materials ought to be tested many occasions before the manufacturing process to make sure high quality. Go through on for some info about the various sorts of supplies utilized to make ball bearings.
Metal is the most frequent material for ball bearings. Most ball bearings contain stainless metal balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless metal balls are heavier than plastic ones, and they are also magnetic, which could be a disadvantage in some applications. If you might be seeking for a metallic-free of charge choice, glass balls are the way to go. They are strong, light-weight, and resistant to a vast range of substances.

China manufacturer 6200 Series Open-Zz-2RS Deep Groove Ball Bearings 623 624 625 626 627 628 629 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 Bearing     with Great qualityChina manufacturer 6200 Series Open-Zz-2RS Deep Groove Ball Bearings 623 624 625 626 627 628 629 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 Bearing     with Great quality