Merchandise Description

Carbon metal can be divided into comfortable carbon steel ball (no heat treatment) and tough carbon steel ball (with heat treatment method). It can be also divided into higher carbon metal ball and minimal carbon metal ball, in accordance to the carbon articles. 

ZheJiang Dihui has  thirty several years of stainless steel balls production encounter. The goods have very good area smoothness and normal hardness, which are getting extensively utilised on the software like bearings, bicycles, automotive business, lockings, linear guiding, and many others.

Our goods are becoming extensively exported to Europe, the Usa, Japan, South Korea, Center Asia, and Southeast Asia.


one. Established in 1989, ZheJiang Dihui CZPT Technology Co., Ltd. is a massive-scale rolling element maker.

2. Advanced creation and tests gear. Such as 98pcs cold forging equipment, 46pcs vertical 4980 ball mills, 42pcs 4980 ball grinding machines, 56pcs 4780 lapping equipment, 4pcs heat treatment products, 68pcs punching devices, and many others.

three. Mostly makes stainless steel balls, higher/medium/lower carbon metal balls, bearing metal balls, ceramic balls, glass balls, roller, needles and and so forth., with more than 55 billion annual output balls of different technical specs.

4. ISO 3290-1-2014,  GB/T308.1-2013,  DIN 5401-2002 normal, We provide balls, rollers, needles, and many others. of a variety of specs and materials, precision G5-G1000 and technical specs of .5mm-120.0mm.

five. Broadly employed in the aerospace market, automotive sector, precision instruments, meters, toys, bikes, bicycles, bearings, luggage, CZPT wheels, slide rails, healthcare products, and food equipment, and puncture decorations and etc.

1. Do you like to settle for modest orders?
We get pleasure from growing up jointly with all our clientele, what ever big or small. You will turn into even bigger and bigger to be with us.
2. Will you send me a free of charge sample?
Yeah, we would enjoy to can you pay out for the delivery?
three. Could you take OEM and customization?
Of course, we can personalize for you according to sample or drawing.
4. Is it your firm factory or Trade Company?
We have our possess factory and you welcome to arrive and visit.
5. What certification do you have?
We have ISO 3290-1-2014, SGS, IATF16949 certifications.
6. Could you inform me the payment phrase for your firm can take?
We accept the TT, L/C, West Union, MoneyGram, and other techniques. The buyer can choose the way to produce to you, products by sea or Air. We will do our ideal to provide our consumers.
7. Could you inform me the delivery time of your goods?
3-7 days stock items and other merchandise in accordance to the quantity of about 3-21 days.

Selecting the Proper Ball Bearing for Your Application

When deciding on a Ball Bearing, there are many issues to consider. These elements consist of: the size, lubricant sort, existence of corrosive agents, stray electrical currents, and a lot more. It can be difficult to choose the correct type, dimensions, and variety of ball bearing for your software. You must also very carefully compute the masses to decide the appropriate size. Here are some suggestions for deciding on the proper Ball Bearing for your application.


The one-row ball bearing is 1 of the most well-known kinds of bearings. The inner and outer ring are created with raceway grooves that are shaped a bit greater than the balls. This kind of bearing has a low torque and can manage large-speed purposes with small power reduction. The radial dimensions of single-row ball bearings also differ, so it is attainable to discover a single that matches your distinct application. Apart from the earlier mentioned-described positive aspects, one-row ball bearings are also obtainable with varying grease ranges and are widely relevant to applications where the area is limited.
One-row ball bearings are also named angular-contact ball bearings. Simply because of their one-row layout, they are not separable and can accommodate a higher-speed, weighty-responsibility application. One-row angular-contact ball bearings can only take care of axial load in one route, and they have to be installed in pairs for pure radial loads. One-row ball bearings are a popular type of rolling bearings and can be employed for a vast range of applications.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile business in Sweden. Whilst he was dependable for making creation as efficient as feasible, he before long recognized that the machinery he had in location wasn’t working as successfully as it could. Despite the fact that ball bearings are great for minimizing friction, they ended up not flexible adequate to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a typical sphered raceway. The inner 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 defects. They can be utilised in easy woodworking machinery, ventilators, and conveying tools. They are usually the chosen option for apps exactly where shaft alignment is an problem.


A Ceramic ball bearing is a type of large-performance bearing that is accessible in equally entire-ceramic and hybrid varieties. The principal variances between ceramic and steel ball bearings are their design, lubrication, and mobility. Higher-good quality ceramic ball bearings are tough, and they are ideal for corrosive and higher-temperature applications. The content used to produce these bearings aids avert electrolytic corrosion. They are also best for decreasing the friction and lubrication needs.
Ceramic balls are tougher and considerably less brittle than metal balls, which offers them a increased diploma of rigidity. Ceramics also have a greater hardness, with a hardness of Rc75-eighty in contrast to Rc58-sixty four for steel balls. Their high compressive strength is approximately 5 to 7 occasions increased than steel. In addition, they have a quite reduced coefficient of friction, which permits them to spin at greater speeds and with considerably less friction. This boosts their lifespan and durability, and decreases the energy needed to flip cranks.


As opposed to classic bearings, steel balls have a fairly uniform hardness. Carbon steel, for instance, is 2.1% carbon by bodyweight. According to the American Iron and Steel Institute, copper content need to be no more than .forty% and manganese content must not be much more than 1.sixty five g/cm3. Soon after carbonizing, steel balls bear a procedure known as sizing, which enhances their roundness geometry and hardness.
The main differences in between steel ball bearings and ceramic ball bearings can be traced to their different resources. Ceramic balls are created from zirconium dioxide or silicon nitride. Silicon nitride is tougher than steel and resists shocks. The consequence is enhanced pace and lengthier provider daily life. Polyoxymethylene acetal (PMMA) bearing balls are identified for their stiffness, power, and tolerance, but are not as widespread as metal ball bearings.


The most popular varieties of plastic ball bearings are manufactured of polypropylene or PTFE. These bearings are used in applications necessitating increased chemical resistance. Polypropylene is a structural polymer that provides superb actual physical and chemical homes, such as exceptional resistance to natural and organic solvents and degreasing agents. Its lightweight, minimal humidity absorption fee, and excellent heat resistance make it an outstanding option for substantial-temperature apps. However, plastic bearings are not with out their negatives, particularly when working at very substantial temperatures or beneath large loads.
When compared to steel bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an exceptional decision for wash-down apps. They are also post-, autoclave-, and gamma sterilizable. Several standard steel ball-bearings can not take care of the substantial temperatures of meals processing or swimming swimming pools. In addition to large temperature apps, plastic ball bearings are resistant to chemical substances, which includes chlorine.


Plastic sliding bearings are molded bearings manufactured of engineering plastic. With self-lubricating modification technological innovation, these bearings can be made by injection molding of plastic beads. They are extensively used in various industries this sort of as office equipment, health and fitness and automotive products. In addition to plastic bearings, glass balls are used in a range of other programs, which includes medical equipment. Glass ball bearings have superb corrosion resistance, outstanding mechanical properties, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are appropriate for programs that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-uncovered environments. Stainless steel balls are also resistant to heat 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 principal worry, think about employing plastic balls rather.


The international miniature ball bearing market is envisioned to attain US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Development in the region is attributed to technological advancement and authorities initiatives. Nations this sort of as India and China are attracting FDIs and emphasizing the establishment of a international producing hub. This is boosting the marketplace for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are extremely small.
Some makers make miniature ball bearings in various supplies and styles. Chrome metal is the most well-liked content for miniature ball bearings due to the fact of its substantial load capability, lower sounds houses, and reduce value. But the cost of stainless steel miniature bearings is lower, because the sum of steel utilized is minimal. Stainless steel miniature bearings are the smallest in measurement. For that reason, you can pick stainless steel mini ball bearings for higher-pace programs.

Angular-speak to

Angular-make contact with ball bearings have three factors: a cage, internal ring, and balls. Angular-contact ball bearings can assistance high axial and radial masses. Different layout and production characteristics make angular-get in touch with ball bearings ideal for a selection of applications. Some characteristics of this bearing variety include a particular lubricant, different cage components, and distinct coatings.
The size of an angular-speak to ball bearing is decided by the design and style units: outer ring width, axial load, and radial load. Based on the sort of application, an angular-make contact with ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design and style units, which variety from metric to imperial. A larger ABEC variety signifies tighter tolerances. To establish the tolerance equal of a particular bearing, consult a regular Angular-make contact with ball bearing table.
Angular-get in touch with ball bearings attribute higher and reduced-shoulder configurations. They have two-dimensional races that accommodate axial and radial masses. They are available in self-retaining models with sound inner and outer rings, and ball and cage assemblies. Cages made of solid and wrought brass are the most popular, but light-weight phenolic cages are also accessible. The latter is a much better decision due to the fact it doesn’t soak up oil and has lower rolling friction.


When it comes to the design of a ball bearing, high-good quality raw components are a crucial ingredient. These resources not only have an effect on the all round quality of a ball bearing, but also influence the value. Which is why you must shell out near interest to raw substance quality. In addition to that, raw supplies must be analyzed several times ahead of the manufacturing approach to make sure good quality. Read through on for some information about the distinct sorts of materials utilised to make ball bearings.
Metal is the most frequent materials for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. Nonetheless, stainless metal balls are heavier than plastic kinds, and they are also magnetic, which may be a drawback in some apps. If you happen to be looking for a metal-cost-free choice, glass balls are the way to go. They’re strong, lightweight, and resistant to a wide selection of chemicals.

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