Merchandise Description

Item description

Model: 6420M Single Row Deep Groove Ball Bearing 

Model: Car
Sequence: deep groove ball bearings, one row

 Deep groove ball bearings are the most common rolling bearings with  the characteristics of just made buildings,convenience in procedure and extensive programs. They are designed as non-separable  bearings. The raceways in both of the rings are in arc groove sort, which can have radical load and double instructions axial load.They are of features of low friction element, higher limit rotational velocity and can be applied in conditions where substantial-rotating pace and lower sounds and minimal vibration are needed. Applications of thses bearings can be discovered in cars, equipment instruments, motors, instruments, development equipment, railway cars, agricultural devices and numerous other unique devices.

 Item parameter



HangZhou Car Bearing Co., Ltd. is found in the industrial park of HangZhou,which is 1 of the 4 great historic capitals of China.Our company is the member of China Bearing Sector Association,cooperating with Condition Top quality Supervision and Tests Centre for bearing.Our firm is a specialist bearing producer which built-in with research ,advancement and marketing providers.

Our key goods include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all types of high precision bearings.Our products are extensively applied to motor industry,mining metallurgy,wind energy era,petroleum drilling,auto and motorbike and so forth..
Our organization not only possesses superior bearing producing equipments and worldwide 1st-course measuring devices, but also has robust energy of manufacturing, inspecting and testing the higher precision and trustworthiness bearings.Every approach is in strict accordance with the ISO9001 high quality management program,which effectively assures the specific of products and steadiness of the efficiency. Auto bearings are mostly exported to the United states,South Korea,Europe,and so on., which have arrived at the substantial amount of international related items.
The soul of our organization lifestyle is [Detail helps make aggressive, innovation tends to make very first-class”.We feel the generation and management philosophy of [top quality wins ,casting competitive merchandise”.The organization adheres to the zero-defect good quality management for assembly customer needs.


A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Is dependent on your demands


A. Most orders will be shipped inside of 3-5 times of payment getting gained.
B. Samples will be transported by cov2urier as FedEx,UPS,DHL,and so on.

Thank you really significantly for having time to view our company’s web site. If you are intrigued in this item, you should truly feel cost-free to make contact with us. We are always right here.


Kinds of Ball Bearings

There are several varieties of Ball Bearings accessible on the market place, but which 1 is greatest for your application? Below, we will discuss the variations in between Angular make contact with, One-row, High-carbon steel, and Ceramic ball bearings. These kinds of bearings also characteristic races, or a groove in the heart of each and every. These races are important in trying to keep the balls contained in the cylinder. They also supply a groove-baed pathway.


The ceramic ball used in ball bearings has several advantages. It is light-weight, operates at decrease temperatures, has diminished skidding, and is resistant to electrolysis. The ball also reveals more time fatigue daily life. All of these variables make the ceramic ball a excellent selection for many programs. But, how do you know if a ceramic ball bearing is correct for your application? Go through on to discover why ceramic ball bearings are a better option than steel or stainless metal types.
The ceramic balls are 40% more dense than metal. This indicates less centrifugal power is created on the bearing, which suppresses warmth era. Simply because of this decreased friction, ceramic bearings are much more effective at transferring power. In comparison to metal bearings, ceramic balls have longer life spans. Even so, these ceramic balls usually are not as robust as metal. Therefore, it is important to comprehend the constraints of the ceramic ball bearing before getting 1.
The ceramic components used for ball bearings are resistant to micro-welding. Metals undergo this procedure when imperfections in the surfaces interact. At some point, this final results in a brittle ball that minimizes the life of a bearing. Not like metals, ceramic components have a stable behavior at high temperatures and exhibit considerably less thermal enlargement. This implies that they can be used for apps the place lubrication isn’t an option.
Whilst steel balls can very easily take up contaminants and international particles, the ceramic ball is insensitive to this, and isn’t going to call for lubrication. This means they’re not vulnerable to corrosion and other frequent difficulties. These are just a handful of causes why ceramics are a much better option. This technologies has a broad range of makes use of. It really is easy to see why it is so well-known. If you are searching for a new bearing for your application, be certain to get in touch with an AST Apps Engineer. They can evaluate your working problems and likely failure modes.

Angular speak to

An Angular Speak to Ball Bearing (also acknowledged as an angular-speak to bearing) has an axial element that is generated when radial loads are used. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also offered with Super Completed Raceways to decrease sound and enhance lubricant distribution. Angular speak to ball bearings have a variety of design and style units, these kinds of as bore size, outer diameter, and outer ring width.
A solitary-row angular speak to bearing has a radial make contact with angle that is equal to the angular distance among the two rings. Double-row angular bearings are created for two-way thrust capability. These sorts of bearings can be obtained at Grainger and other online suppliers. A normal angular make contact with bearing will very last up to a million revolutions. They are often employed in industrial angular make contact with bearings.
Single-row angular get in touch with ball bearings function a established contact angle. These bearings can assistance radial and axial masses, but they cannot stand up to substantial speeds. Single-row angular make contact with ball bearings might also have one or two shoulders relieved. Thrust load is a pressure positioned on the bearing when it is put in in an assembly, and it is utilised to generate an angle amongst the races.
Angular speak to ball bearings come in single and double-row configurations. They differ in the axial load they can have and the type of lubrication they use. Angular speak to ball bearings are best for substantial-speed applications and can accommodate both radial and axial hundreds. The sort of get in touch with and lubrication utilized in angular-get in touch with ball bearings depends on the intended use for the bearing.

High-carbon steel

Carbon steel is a lower-alloy and substantial-carbon steel employed in bearings. This materials provides exceptional power and fatigue houses for ball and roller bearings. Its mechanical properties are best for purposes where the temperature is less than 400 degrees Fahrenheit. Substantial-carbon metal is also utilized to make bearing factors for chrome metal bearings. These varieties of steels are softer than chrome metal but provide excellent toughness in purposes the place the content is uncovered to extreme situations.
Hardened carbon steel balls with an AISI 1015 hardness index are employed in a range of automotive, commercial, and semi-precision applications. In addition to automotive apps, they are also utilized in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are employed in bearings. They can be purchased in a range of weights and diameters. Carbon metal balls can also be bought in nickel-plated or uncoated types for decorative reasons.
In buy to establish regardless of whether a ball bearing is manufactured of higher-carbon metal, the material need to be examined for its hardness. An ordinary pocket magnet will function nicely, but an normal uncommon earth magnet is not powerful ample to evaluate the hardness. If it attracts the magnet strongly, the steel is steel, although a weak magnet indicates a non-ferrous materials. A hardness check demands a specific microhardness take a look at.
A reduced-carbon steel is an additional selection. Some miniature bearing makers use a materials with considerably less carbon than AISI 440C. This materials is also known as KS440 or X65Cr13. Soon after getting heat-dealt with, it develops smaller carbides, resulting in exceptional reduced-noise qualities and the same corrosion-resistance as 440C. These resources are a much less high-priced substitute than chrome metal, but they are usually much less resilient than chrome alloy steel.


Solitary-row angular make contact with ball bearings accommodate axial loads in a single route. These are normally modified in opposition to a next bearing. As opposed to other ball bearings, they are non-separable and contain an higher and decrease shoulder. Solitary-row ball bearings are made of Chromium Metal (GCr15) which is warmth-dealt with to attain higher uniform hardness and excellent wear resistance. They are the most commonly employed sort of bearings in the entire world.
Due to the fact of the angular contact amongst the radial aircraft and the raceway, solitary-row ball bearings transmit radial forces from raceway to raceway. A larger a, the better the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are perfect for higher axial hundreds. Nonetheless, they have restricted preload capabilities and must be set up in pairs. Hence, they are best utilized for purposes in which axial forces must be dispersed.
Single-row ball bearings can be pre-lubricated and have metal shields. They are also accessible with rubber seals or snap rings on the outside edge. They are obtainable with different retainers, such as pressed metal cages, plastic shields, and rubber seals. A tapered bore is also accessible on request. They are perfect for apps where space is limited. The 6200 collection of bearings are particularly nicely suited for electrical motors, dental hand instruments, and optical encoders.
Single-row angular make contact with ball bearings are extensively used for axial hundreds. The outer and internal rings have slightly bigger radii than the balls. These bearings can accommodate large speeds and lower torque. They can also be provided with different grease stages. If grease is required, you can choose a lubricant that has distinct traits dependent on the application. They are effortless to put in and sustain. Nonetheless, they are not advisable for adjacent mounting.


A plastic ball bearing is a hugely flexible component that can be mounted in a range of factors, which includes wheels, pulleys and housings. The outer ring of a plastic bearing is typically the pulley profile. The internal ring can be produced of a shaft or polymer. The integrated design and style of a plastic ball bearing helps to reduce assembly time and value. Listed here are some of the positive aspects of this sort of bearing:
Initial and foremost, plastic balls are lighter than steel balls. They also have considerably less magnetic properties than steel balls, creating them the ideal option for applications demanding reduced bodyweight and sound. Glass balls are also lighter than stainless steel balls, making them the excellent metal-free choice. They are also extremely corrosion-resistant, which helps make them a great decision for some applications. In addition to getting light-weight, polymer ball bearings are also tranquil. And because of their lower weight, plastic ball bearings are best for programs that call for fast velocity.
An additional advantage of plastic bearings is their capacity to face up to large temperatures. This content is also abrasion and corrosion-resistant. It meets Food and drug administration and USDA acceptance requirements. Apart from its abrasion-resistant and corrosion-resistant houses, these plastics do not transfer heat. Aside from currently being extremely durable and versatile, most plastics are also self-lubricating. Common plastics incorporate phenolics, acetals, nylon, and ultra high molecular fat polyethylene. Even so, plastics have restrictions, and these resources could be broken by extreme temperatures or cold stream under weighty hundreds.
Other positive aspects of plastic ball bearings contain their minimal density, high hardness and minimal friction coefficient, and capacity to face up to warmth and corrosion. Ceramics are also lightweight, non-conductive, and have excellent resistance to friction. These goods can withstand temperatures up to 1,800 degrees Fahrenheit. If you might be in the marketplace for a plastic ball bearing, it really is crucial to choose the correct type of material. And if you might be searching for a high-good quality bearing, search no further.

China Good quality CZPT CZPT CZPT CZPT Deep Groove Ball Bearings 6420m 100X250X58mm Industry& Mechanical&Agriculture, Auto and Motorcycle Part Bearing     with Great qualityChina Good quality CZPT CZPT CZPT CZPT Deep Groove Ball Bearings 6420m 100X250X58mm Industry& Mechanical&Agriculture, Auto and Motorcycle Part Bearing     with Great quality