China best Super Precision Double Row Deep Groove Ball Bearing with Hot selling

Product Description



Simple construction, easy to use
Tiny friction coefficient and larger restrict revolving pace
The most experienced technological innovation, incredibly low noise degree
Not resistant to impact, not appropriate for hefty masses
Hefty-responsibility style increases bearing load ability and prolongs service existence.


Solution Description

Deep groove ball bearings are the most commonly utilised rolling bearings, belong to non-separated bearings, which are straightforward structure, simple to use and lower cost. Fundamental deep groove ball bearings are composed of internal ring, outer ring, metal balls, and cage. The cages are largely stamped metal corrugated cages or engineering plastic solid cages, although large bearings use metal solid cages.

There are 2 varieties of deep groove ball bearings, one-row and double-row. The structure is also divided into 2 varieties: open type and closed variety. The open up variety means that the bearing is not sealed the shut variety signifies that it has seal. There are 2 sorts of sealing composition: dust-evidence seal and oil-proof seal.          


Double row deep groove ball bearings are comparable in design and style to one row deep groove bearings. It consists of outer ring, interior ring, cage and double row steel balls. Double row deep groove ball bearings primarily bear radial hundreds and can also bear bidirectional axial masses.

Double row deep groove ball bearings are suitable for bearing arrangements in which the load capability of a solitary row deep groove ball bearing is inadequate. For the double row deep groove ball bearing with the same outer diameter and interior diameter as the deep groove ball bearing, its width is greater and the load capacity is also much higher than that of the one row deep groove ball bearing of the sixty two and sixty three sequence.

Double row deep groove ball bearings can only tolerate an angular misalignment of 2 minutes of arc. Greater angular misalignment can overload the balls and raceways, shorten bearing existence, and cause elevated sounds.


Main apps:
Vehicles, agricultural machinery, machine resources, motors, drinking water pumps, textile CZPT and other fields.



Product Parameters

This parameter desk is not full, remember to speak to us for specifics

Organization Profile

ZheJiang CZPT CZPT Co., Ltd, Xihu (West Lake) Dis. Substantial-precision Bearings Co., Ltd belongs to CZPT group. It is located in Industrial Development Zone of Liao-cheng town, which is bearings manufacturing base in China. We have been specialized in the creation of auto parts, bearings and retainers since yr 1986.

Our factory covers an location of a hundred and twenty,000 sq.m, with a construction area of sixty six,000 sq.m. There are far more than 600 employees, fifty management staff, eighty specialized engineers and 60 quality inspectors. We are famous manufacturer group for our stringent good quality control system and hard-doing work group.

There are far more than forty sets of high-precision mildew processing products, one hundred fifty sets of various CNC lathes, 200 sets of white dynamic grinding equipment, a hundred and twenty sets of stamping products, 16 sets of unique demagnetization machines, 10 sets of higher-force spray cleaning equipment, 6 sets ultrasonic cleaning machines and 6 automatic bearing grinding lines. They are also geared up with advanced hardness tester, length measuring instrument, sine instrument, spectrometer, infrared carbon and sulfur analyzer, CZPT hardness tester, roughness profiler, digital tensile tests device, metallographic microscope, projection coordinate instrument, roundness instrument, ABLT-2 life screening machine, three-coordinate screening machine and so on. We are ready to offer customers with substantial-good quality precision bearing products.

Our business passed ISO9001, ISO/TS16949 and IATF16949 high quality management system. Our items are CE / SGS accredited. By means of introducing world-top engineering and bring collectively domestic CZPT abilities, it ensures our speedy growth and aggressive advantages.

Sincerely want you check out our manufacturing facility!


Q1: Do you provide samples? Is it free of charge or added?
Sure, we can offer a small amount of totally free samples. Do you mind having to pay the freight?

Q2: Can you take OEM or Non-Stand Bearings ?
Any necessity for Nonstandard roller bearings is simply fulfilled by us due to its huge expertise and links in the industry.

Q3: What is your most recent delivery time?
Most orders will be transported inside 7-fifteen times of payment currently being acquired.

This fall:Does your company have good quality assurance?
Of course, for 1 several years.

Q5:Which payment strategy does your organization assist?
T/T is ideal, but we can also acknowledge L/C and Western Union.

Q6:How to make contact with us quickly?
Remember to deliver us an inquiry or information and leave your other get in touch with info, this sort of as telephone variety,  account or account, we will get in touch with you as before long as attainable and provide the comprehensive details you require.



Choosing the Right Ball Bearing for Your Software

When picking a Ball Bearing, there are a number of things to consider. These variables consist of: the measurement, lubricant type, existence of corrosive agents, stray electrical currents, and far more. It can be demanding to choose the right sort, measurement, and variety of ball bearing for your software. You should also cautiously compute the hundreds to decide the right size. Listed here are some guidelines for deciding on the proper Ball Bearing for your application.


The single-row ball bearing is a single of the most well-known types of bearings. The interior and outer ring are developed with raceway grooves that are shaped a bit greater than the balls. This kind of bearing has a reduced torque and can deal with large-velocity programs with nominal electrical power loss. The radial proportions of solitary-row ball bearings also vary, so it is possible to find one particular that fits your distinct application. Aside from the earlier mentioned-talked about advantages, single-row ball bearings are also available with different grease ranges and are commonly applicable to purposes the place the room is limited.
One-row ball bearings are also referred to as angular-get in touch with ball bearings. Simply because of their single-row design, they are not separable and can accommodate a large-speed, heavy-responsibility application. One-row angular-get in touch with ball bearings can only handle axial load in one particular route, and they should be put in in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be utilized for a wide variety of purposes.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile firm in Sweden. While he was accountable for generating production as efficient as achievable, he shortly realized that the machinery he had in place wasn’t functioning as proficiently as it could. Though ball bearings are excellent for lowering friction, they ended up not flexible ample to compensate for misalignments in the equipment.
Self-aligning ball bearings have two rows of balls and a typical sphered raceway. The internal ring is curved and brings together the two rows of balls into a single cage. These bearings can tolerate shaft misalignment and compensate for static angular problems. They can be used in easy woodworking equipment, ventilators, and conveying products. They are typically the preferred decision for apps the place shaft alignment is an issue.


A Ceramic ball bearing is a variety of substantial-functionality bearing that is obtainable in each entire-ceramic and hybrid varieties. The primary variances amongst ceramic and steel ball bearings are their development, lubrication, and mobility. Substantial-high quality ceramic ball bearings are sturdy, and they are excellent for corrosive and high-temperature programs. The substance utilized to generate these bearings will help avoid electrolytic corrosion. They are also perfect for decreasing the friction and lubrication needs.
Ceramic balls are tougher and significantly less brittle than steel balls, which offers them a larger diploma of rigidity. Ceramics also have a greater hardness, with a hardness of Rc75-80 compared to Rc58-sixty four for steel balls. Their substantial compressive energy is approximately 5 to 7 occasions increased than metal. In addition, they have a very reduced coefficient of friction, which enables them to spin at larger speeds and with much less friction. This raises their lifespan and durability, and decreases the strength essential to flip cranks.


Not like classic bearings, metal balls have a fairly uniform hardness. Carbon metal, for instance, is 2.1% carbon by excess weight. In accordance to the American Iron and Steel Institute, copper articles need to be no a lot more than .forty% and manganese content material must not be much more than 1.sixty five g/cm3. Following carbonizing, steel balls undergo a process referred to as sizing, which improves their roundness geometry and hardness.
The principal distinctions in between metal ball bearings and ceramic ball bearings can be traced to their different resources. Ceramic balls are produced from zirconium dioxide or silicon nitride. Silicon nitride is harder than metal and resists shocks. The consequence is improved pace and longer provider existence. Polyoxymethylene acetal (PMMA) bearing balls are identified for their stiffness, power, and tolerance, but are not as widespread as steel ball bearings.


The most well-liked sorts of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in programs necessitating higher chemical resistance. Polypropylene is a structural polymer that delivers exceptional physical and chemical homes, like superb resistance to natural solvents and degreasing brokers. Its lightweight, lower dampness absorption rate, and excellent warmth resistance make it an outstanding decision for large-temperature applications. Nonetheless, plastic bearings are not without having their drawbacks, specially when functioning at really large temperatures or beneath weighty loads.
In comparison to steel bearings, plastic ball-bearings do not call for lubrication. They also are extremely corrosion-resistant, generating them an exceptional decision for wash-down programs. They are also submit-, autoclave-, and gamma sterilizable. A lot of traditional steel ball-bearings can’t deal with the higher temperatures of meals processing or swimming swimming pools. In addition to large temperature apps, plastic ball bearings are resistant to substances, which includes chlorine.


Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are commonly used in different industries this sort of as business office products, health and fitness and automotive tools. In addition to plastic bearings, glass balls are used in a selection of other applications, including health care gear. Glass ball bearings have outstanding corrosion resistance, outstanding mechanical homes, and are electrically insulators.
Plastic ball bearings are produced of all-plastic races and cages. These bearings are ideal for apps that are uncovered to acids and alkalis. Due to the fact they are less costly than glass balls, plastic ball bearings are well-known in chemical-uncovered environments. Stainless steel balls are also resistant to warmth and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if excess weight and sounds is your main issue, think about utilizing plastic balls rather.


The worldwide miniature ball bearing market is envisioned to get to US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Expansion in the area is attributed to technological progression and federal government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are created in tiny portions and are quite modest.
Some makers create miniature ball bearings in distinct supplies and designs. Chrome steel is the most common content for miniature ball bearings because of its large load potential, minimal sound houses, and reduce price. But the expense of stainless steel miniature bearings is low, given that the volume of metal employed is minimal. Stainless metal miniature bearings are the smallest in size. For that reason, you can pick stainless steel mini ball bearings for high-speed programs.


Angular-speak to ball bearings have a few factors: a cage, internal ring, and balls. Angular-get in touch with ball bearings can assist large axial and radial masses. Numerous layout and production characteristics make angular-get in touch with ball bearings suitable for a assortment of applications. Some features of this bearing kind contain a unique lubricant, diverse cage resources, and various coatings.
The measurement of an angular-get in touch with ball bearing is established by the style units: outer ring width, axial load, and radial load. Dependent on the variety of application, an angular-speak to ball bearing might be created in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be categorised in accordance to their style models, which range from metric to imperial. A larger ABEC quantity means tighter tolerances. To determine the tolerance equivalent of a particular bearing, seek the advice of a normal Angular-speak to ball bearing desk.
Angular-contact ball bearings attribute higher and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial hundreds. They are offered in self-retaining models with reliable interior and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most well-liked, but lightweight phenolic cages are also available. The latter is a greater selection simply because it will not absorb oil and has reduced rolling friction.


When it will come to the building of a ball bearing, higher-top quality raw materials are a essential component. These components not only have an effect on the all round good quality of a ball bearing, but also affect the expense. That is why you ought to spend shut consideration to raw material top quality. In addition to that, raw supplies must be analyzed a number of occasions just before the production process to make sure quality. Read on for some details about the diverse sorts of materials employed to make ball bearings.
Steel is the most common substance for ball bearings. Most ball bearings incorporate stainless metal balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. Even so, stainless steel balls are heavier than plastic types, and they are also magnetic, which might be a drawback in some apps. If you happen to be seeking for a steel-totally free option, glass balls are the way to go. They’re strong, lightweight, and resistant to a broad assortment of chemical compounds.

China best Super Precision Double Row Deep Groove Ball Bearing     with Hot sellingChina best Super Precision Double Row Deep Groove Ball Bearing     with Hot selling