Product Description

KOYO CZPT car parts ball bearing DAC4472 automobile wheel bearing

NO 1. Our gain

1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our principal bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical rollerbearings, spherical ball bearings, spherical roller bearings, one row angular speak to bearings, double row angular contact bearings, needle roller bearings, thrust ball bearings, spherical plain bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our solution assortment.
4. Sample available


NO 2. Description: Car wheel bearing

Race: we use the most advanced technology-cold extrusion process. Besides, the race will make two or three times temper to guarantee its high precision.
Rolling element: we use the rolling technology to process the roller and the steel ball of high precision bearing, the most advantage of our technology is to promote productive and productive efficiency. At the same time, our technology can prolong the bearing working life. The hardness and the diamention stability will also promote.
Steel cage: in order to avoid avoid cracks and guarantee the hardness, we use pattern “high temperature+long time”, our cage of high precision bearing have reached advanced level in china at surface abrasion resistance and fatigue strength.


 NO 3. OEM all brand name bearing

 NO 4. Vehicle Wheel Bearing Specification: 

NO 5. Vehicle wheel bearing Types and Measurement: 

NO 6. Some Vehicle wheel bearing OEM variety and Application: 

NO 7. Our Bearing Factory:

NO 8. Our Bearing Warehouse:

NO 9. Our Bearing Packaging Box:

Why Decide on Us:

SFNB bearing company has 14 years manufacture experience and is one of the biggest adjustment center in north of China.
We have large stock of original brand and our own brand bearing.
Sample is available.
We can accept OEM service.
SFNB Bearing Co., Ltd. Was founded in March 2008. We were principally engaged in the research, development and manufacture of bearings in the early stage. Now we are mainly engaged in the sales of internationally-famous brand bearings. Our products are sold in Britain, America, Japan, Italy and Southeast Asia, well appreciated by their purchasers. 


Deciding on the Appropriate Ball Bearing for Your Software

When picking a Ball Bearing, there are many issues to contemplate. These aspects consist of: the measurement, lubricant variety, existence of corrosive agents, stray electrical currents, and more. It can be tough to choose the proper type, dimension, and kind of ball bearing for your software. You need to also carefully determine the masses to figure out the correct dimensions. Here are some guidelines for selecting the correct Ball Bearing for your software.


The solitary-row ball bearing is one particular of the most well-liked kinds of bearings. The interior and outer ring are made with raceway grooves that are formed a bit more substantial than the balls. This type of bearing has a reduced torque and can handle substantial-pace programs with minimum electricity reduction. The radial dimensions of one-row ball bearings also differ, so it is attainable to locate a single that suits your particular application. Besides the previously mentioned-described benefits, single-row ball bearings are also offered with different grease levels and are commonly applicable to programs the place the place is restricted.
Single-row ball bearings are also known as angular-contact ball bearings. Due to the fact of their single-row design and style, they are not separable and can accommodate a higher-pace, heavy-obligation application. One-row angular-make contact with ball bearings can only manage axial load in 1 route, and they need to be installed in pairs for pure radial hundreds. One-row ball bearings are a well-known variety of rolling bearings and can be utilised for a vast range of apps.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile organization in Sweden. Whilst he was dependable for generating manufacturing as productive as achievable, he shortly recognized that the equipment he experienced in place wasn’t working as proficiently as it could. Even though ball bearings are excellent for decreasing friction, they have been not adaptable ample to compensate for misalignments in the device.
Self-aligning ball bearings have two rows of balls and a widespread sphered raceway. The internal ring is curved and brings together the two rows of balls into one particular cage. These bearings can tolerate shaft misalignment and compensate for static angular flaws. They can be utilized in straightforward woodworking machinery, ventilators, and conveying equipment. They are often the desired selection for programs in which shaft alignment is an concern.


A Ceramic ball bearing is a type of higher-efficiency bearing that is obtainable in each entire-ceramic and hybrid forms. The primary distinctions in between ceramic and steel ball bearings are their design, lubrication, and mobility. Higher-high quality ceramic ball bearings are resilient, and they are ideal for corrosive and large-temperature programs. The substance utilised to develop these bearings aids avoid electrolytic corrosion. They are also perfect for reducing the friction and lubrication needs.
Ceramic balls are tougher and significantly less brittle than metal balls, which gives them a increased diploma of rigidity. Ceramics also have a greater hardness, with a hardness of Rc75-80 when compared to Rc58-64 for steel balls. Their substantial compressive power is approximately 5 to 7 moments increased than metal. In addition, they have a very reduced coefficient of friction, which enables them to spin at higher speeds and with considerably less friction. This raises their lifespan and toughness, and decreases the energy needed to turn cranks.


Unlike traditional bearings, steel balls have a comparatively uniform hardness. Carbon steel, for occasion, is 2.1% carbon by excess weight. According to the American Iron and Steel Institute, copper content material need to be no more than .forty% and manganese content ought to not be far more than 1.65 g/cm3. After carbonizing, steel balls endure a procedure named sizing, which enhances their roundness geometry and hardness.
The major variances between metal ball bearings and ceramic ball bearings can be traced to their different resources. Ceramic balls are manufactured from zirconium dioxide or silicon nitride. Silicon nitride is more challenging than steel and resists shocks. The consequence is elevated pace and more time support lifestyle. Polyoxymethylene acetal (PMMA) bearing balls are recognized for their stiffness, strength, and tolerance, but are not as frequent as steel ball bearings.


The most common types of plastic ball bearings are made of polypropylene or PTFE. These bearings are utilized in programs requiring increased chemical resistance. Polypropylene is a structural polymer that delivers exceptional bodily and chemical houses, which includes exceptional resistance to organic solvents and degreasing agents. Its lightweight, reduced dampness absorption rate, and good warmth resistance make it an superb decision for large-temperature programs. However, plastic bearings are not without having their negatives, specially when operating at really high temperatures or under large masses.
Compared to metal bearings, plastic ball-bearings do not demand lubrication. They also are very corrosion-resistant, making them an excellent selection for clean-down applications. They are also put up-, autoclave-, and gamma sterilizable. A lot of standard metal ball-bearings can’t manage the higher temperatures of foodstuff processing or swimming swimming pools. In addition to large temperature applications, plastic ball bearings are resistant to chemical compounds, like chlorine.


Plastic sliding bearings are molded bearings produced of engineering plastic. With self-lubricating modification technologies, these bearings can be created by injection molding of plastic beads. They are broadly utilized in different industries this kind of as business office products, fitness and automotive gear. In addition to plastic bearings, glass balls are utilized in a range of other apps, such as healthcare gear. Glass ball bearings have superb corrosion resistance, outstanding mechanical properties, and are electrically insulators.
Plastic ball bearings are created of all-plastic races and cages. These bearings are suited 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 metal balls are also resistant to heat and corrosion. But the major disadvantage of plastic ball bearings is that they are not as robust as glass balls. So, if fat and sounds is your primary worry, contemplate making use of plastic balls alternatively.


The international miniature ball bearing marketplace is anticipated to attain US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Development in the region is attributed to technological progression and federal government initiatives. Nations this kind of as India and China are attracting FDIs and emphasizing the institution of a world-wide production hub. This is boosting the marketplace for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are really little.
Some companies create miniature ball bearings in diverse components and patterns. Chrome metal is the most common material for miniature ball bearings simply because of its high load capability, low noise homes, and lower expense. But the cost of stainless steel miniature bearings is reduced, since the sum of steel utilized is small. Stainless metal miniature bearings are the smallest in measurement. For that reason, you can pick stainless steel mini ball bearings for substantial-pace programs.

Angular-make contact with

Angular-get in touch with ball bearings have a few components: a cage, interior ring, and balls. Angular-get in touch with ball bearings can assist large axial and radial masses. Various design and production characteristics make angular-get in touch with ball bearings appropriate for a variety of purposes. Some features of this bearing type include a unique lubricant, various cage resources, and diverse coatings.
The measurement of an angular-make contact with ball bearing is decided by the design and style units: outer ring width, axial load, and radial load. Based 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 make contact with ball bearings can be categorised in accordance to their style units, which selection from metric to imperial. A larger ABEC variety implies tighter tolerances. To determine the tolerance equivalent of a certain bearing, seek the advice of a standard Angular-contact ball bearing desk.
Angular-make contact with ball bearings characteristic higher and minimal-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid internal and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most well-known, but lightweight phenolic cages are also accessible. The latter is a much better selection since it does not take up oil and has lower rolling friction.


When it comes to the design of a ball bearing, higher-good quality raw resources are a essential ingredient. These materials not only have an effect on the general top quality of a ball bearing, but also impact the price. That’s why you should pay out shut consideration to raw materials good quality. In addition to that, uncooked resources ought to be examined several moments just before the manufacturing procedure to make sure quality. Go through on for some information about the diverse varieties of supplies employed to make ball bearings.
Metal is the most frequent substance for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. Nevertheless, stainless metal balls are heavier than plastic ones, and they are also magnetic, which may possibly be a disadvantage in some purposes. If you happen to be hunting for a metal-totally free selection, glass balls are the way to go. They’re durable, lightweight, and resistant to a wide selection of chemical compounds.

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