Product Description


Solution Description

Our precision deep groove ball bearings are developed for higher precision, minimal sound, modest vibration, higher trustworthiness and extended lifestyle. They are mostly utilized in numerous varieties of electrical motors. They are also acknowledged as EMQ (Electric powered Motor High quality) bearings.
 EMQ bearings are broadly utilized in home appliances, toys, electrical energy equipment, auto motors and other fields. With best design, high trustworthiness heat treatment, precision production processes and large-grade grease, these items complete greater on dependability, vibration and noise stages than standard goods producing them more appropriate for electric powered motor purposes. These products can also be utilized to most gearbox programs as properly.

  • Proportions: 17x40x12 mm
  • Rubber seal on equally sides
  • a hundred% stainless steell for greater resistance and longevity
  • Supports 20,000 rpm
  • Our substantial-top quality bearing is made to decrease your substitute frequency and servicing expense
  • 6203-2RS Deep Groove Ball Bearing, One Row, Double Shielded, Pressed Steel Cage, CZPT Clearance, Metric, 17mm Bore, 40mm OD, 12mm Width.
  • Created of high good quality stainless steel and the lifespan is longer than carbon steel, conserving you maintenance costs and staying away from recurrent substitute.
  • Machine polished interior & outer race for the greatest in clean high velocity rolling.
  • Large temperature-resistant bearing:100°C–800°C.It can been utilized in kiln,plastic,metal and other equipments that can bear substantial temperature
  • Rolling bearings are utilized in a selection of apps from agricultural CZPT to conveying products, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and combination crushers, amongst other folks.

Model: 6203 RS Quantity for each Package: 2 Pcs Substance: a hundred% Chrome Steel Security: Rubber Seal on the two sides Greased / Lubricated: Sure Bore (Inner) Diameter: seventeen mm Outer Diameter: 40 mm Width (Thickness): 12 mm Supported Revolutions per Minute (RPM): 20,000 WAF’s 6203RS (17x40x12) is a single-row bearing that supports radial masses, created with Chromium Steel providing exceptional top quality and durability. It comes pre-lubricated and shielded to hold the CZPT in and contaminants, filth and particles out.



Detailed Photos

Packaging & Shipping and delivery

Packaging Particulars
A.Polybag +Box+Carton 
C.As per customer’s request 
We have kinds of deals, this sort of as plastic luggage, cartons, specific boxes. We use different deals based on the products and our customers’ requirements.
Port :ZheJiang
Direct Time:Shipped in thirty days following payment

Organization Profile

Our Advantages

The use of our deep groove ball bearing:


If you have any other concerns, remember to come to feel cost-free to get in touch with us as follows.


Q: Why CZPT you choose us?

A. We provide the very best high quality bearings with affordable cost, lower friction, low sound and extended provider existence.

B. With sufficient inventory and quickly shipping and delivery, you can pick our freight forwarder or your freight forwarder.

C. The greatest provider offered by a well-skilled intercontinental product sales staff.


Q: Do you accept small orders?

100% quality check, after your bearings are normal dimensions bearings, even 1, we also settle for.


Q: How prolonged is your supply time?

Normally talking, if the products are in stock, it is 1-3 times. If the merchandise are out of inventory, it will take 6-ten times, depending on the amount of the purchase.


Q: Do you supply samples? Is it cost-free or additional?

Yes, we can provide a small amount of cost-free samples. Do you mind spending the freight?


Q: What must I do if I don’t see the type of bearings I need?

We have too numerous bearing sequence quantities. Often we are unable to put them all on world wide web. Just send out us the inquiry and we will be quite pleased to send out you the bearing particulars.


Welcome to get in touch with me anytime!

Varieties of Ball Bearings

There are numerous varieties of Ball Bearings obtainable on the industry, but which one is best for your software? Listed here, we will examine the variances between Angular speak to, One-row, Substantial-carbon metal, and Ceramic ball bearings. These kinds of bearings also feature races, or a groove in the centre of every single. These races are critical in trying to keep the balls contained inside of the cylinder. They also offer a groove-baed pathway.


The ceramic ball utilized in ball bearings has many rewards. It is lightweight, operates at reduce temperatures, has decreased skidding, and is resistant to electrolysis. The ball also displays for a longer time exhaustion daily life. All of these aspects make the ceramic ball a very good choice for numerous apps. But, how do you know if a ceramic ball bearing is appropriate for your application? Read on to discover why ceramic ball bearings are a greater selection than metal or stainless steel ones.
The ceramic balls are 40% much more dense than metal. This implies significantly less centrifugal power is created on the bearing, which suppresses warmth technology. Because of this lowered friction, ceramic bearings are more successful at transferring energy. When compared to metal bearings, ceramic balls have more time existence spans. Nevertheless, these ceramic balls aren’t as sturdy as metal. Consequently, it is important to comprehend the limitations of the ceramic ball bearing ahead of buying one.
The ceramic materials used for ball bearings are resistant to micro-welding. Metals endure this procedure when imperfections in the surfaces interact. Ultimately, this final results in a brittle ball that lowers the lifestyle of a bearing. As opposed to metals, ceramic resources have a secure actions at higher temperatures and exhibit much less thermal enlargement. This means that they can be employed for programs in which lubrication just isn’t an choice.
While steel balls can simply absorb contaminants and foreign particles, the ceramic ball is insensitive to this, and will not call for lubrication. This indicates they’re not susceptible to corrosion and other widespread troubles. These are just a couple of causes why ceramics are a much better selection. This technologies has a broad range of utilizes. It truly is easy to see why it is so common. If you might be searching for a new bearing for your software, be confident to make contact with an AST Applications Engineer. They can analyze your functioning situations and likely failure modes.

Angular contact

An Angular Make contact with Ball Bearing (also acknowledged as an angular-speak to bearing) has an axial component that is generated when radial loads are applied. They are generally utilised in pairs, triplex sets, or quadruplex sets. These bearings are also accessible with Super Completed Raceways to minimize sound and improve lubricant distribution. Angular contact ball bearings have different style models, these kinds of as bore dimension, outer diameter, and outer ring width.
A solitary-row angular get in touch with bearing has a radial speak to angle that is equal to the angular length between the two rings. Double-row angular bearings are made for two-way thrust capacity. These kinds of bearings can be purchased at Grainger and other online retailers. A normal angular make contact with bearing will very last up to a million revolutions. They are typically utilised in industrial angular contact bearings.
One-row angular contact ball bearings attribute a set make contact with angle. These bearings can assist radial and axial loads, but they cannot endure large speeds. Solitary-row angular speak to ball bearings could also have 1 or two shoulders relieved. Thrust load is a pressure put on the bearing when it is installed in an assembly, and it is utilised to create an angle among the races.
Angular make contact with ball bearings come in solitary and double-row configurations. They vary in the axial load they can carry and the type of lubrication they use. Angular get in touch with ball bearings are excellent for high-speed applications and can accommodate the two radial and axial hundreds. The type of speak to and lubrication employed in angular-get in touch with ball bearings depends on the supposed use for the bearing.

High-carbon metal

Carbon steel is a reduced-alloy and higher-carbon steel utilised in bearings. This materials offers outstanding energy and exhaustion houses for ball and roller bearings. Its mechanical properties are excellent for apps in which the temperature is significantly less than 400 degrees Fahrenheit. High-carbon steel is also utilised to make bearing parts for chrome steel bearings. These varieties of steels are softer than chrome steel but provide excellent toughness in apps where the content is exposed to significant conditions.
Hardened carbon metal balls with an AISI 1015 hardness index are used in a variety of automotive, professional, and semi-precision applications. In addition to automotive purposes, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon metal balls are used in bearings. They can be acquired in a variety of weights and diameters. Carbon metal balls can also be acquired in nickel-plated or uncoated varieties for ornamental purposes.
In order to decide no matter whether a ball bearing is made of high-carbon metal, the material need to be examined for its hardness. An regular pocket magnet will function nicely, but an common exceptional earth magnet isn’t really powerful sufficient to measure the hardness. If it draws in the magnet strongly, the metallic is metal, even though a weak magnet indicates a non-ferrous materials. A hardness take a look at needs a unique microhardness take a look at.
A decrease-carbon metal is one more choice. Some miniature bearing makers use a substance with less carbon than AISI 440C. This materials is also known as KS440 or X65Cr13. Right after getting heat-treated, it develops smaller sized carbides, ensuing in exceptional low-noise qualities and the very same corrosion-resistance as 440C. These components are a much less expensive alternative than chrome metal, but they are often considerably less resilient than chrome alloy metal.


Single-row angular contact ball bearings accommodate axial masses in 1 route. These are generally modified towards a second bearing. As opposed to other ball bearings, they are non-separable and have an higher and reduced shoulder. One-row ball bearings are made of Chromium Steel (GCr15) which is warmth-dealt with to attain high uniform hardness and superb use resistance. They are the most typically used sort of bearings in the planet.
Simply because of the angular contact between the radial airplane and the raceway, solitary-row ball bearings transmit radial forces from raceway to raceway. A increased a, the better the axial load carrying capacity of the bearing. Single-row angular get in touch with ball bearings are excellent for high axial hundreds. However, they have restricted preload abilities and must be mounted in pairs. Consequently, they are ideal employed for purposes where axial forces have to be dispersed.
One-row ball bearings can be pre-lubricated and have steel shields. They are also available with rubber seals or snap rings on the outside edge. They are offered with numerous retainers, such as pressed metal cages, plastic shields, and rubber seals. A tapered bore is also obtainable on request. They are ideal for applications in which place is restricted. The 6200 sequence of bearings are especially properly suited for electrical motors, dental hand resources, and optical encoders.
Single-row angular speak to ball bearings are extensively used for axial hundreds. The outer and internal rings have a bit bigger radii than the balls. These bearings can accommodate large speeds and low torque. They can also be supplied with distinct grease ranges. If grease is necessary, you can select a lubricant that has diverse traits dependent on the application. They are easy to set up and maintain. Nonetheless, they are not advised for adjacent mounting.


A plastic ball bearing is a hugely flexible part that can be mounted in a selection of components, like wheels, pulleys and housings. The outer ring of a plastic bearing is generally the pulley profile. The interior ring can be manufactured of a shaft or polymer. The integrated style of a plastic ball bearing aids to reduce assembly time and cost. Listed here are some of the advantages of this sort of bearing:
Very first and foremost, plastic balls are lighter than metal balls. They also have considerably less magnetic homes than steel balls, producing them the greatest option for programs requiring low fat and noise. Glass balls are also lighter than stainless metal balls, generating them the best steel-free of charge choice. They are also quite corrosion-resistant, which helps make them a great option for some apps. In addition to getting light-weight, polymer ball bearings are also peaceful. And due to the fact of their reduced bodyweight, plastic ball bearings are best for programs that call for quickly pace.
One more benefit of plastic bearings is their capacity to endure large temperatures. This material is also abrasion and corrosion-resistant. It fulfills Fda and USDA acceptance needs. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Apart from getting incredibly tough and adaptable, most plastics are also self-lubricating. Common plastics consist of phenolics, acetals, nylon, and ultra substantial molecular excess weight polyethylene. However, plastics have restrictions, and these materials could be ruined by extreme temperatures or chilly stream below large hundreds.
Other benefits of plastic ball bearings incorporate their low density, high hardness and minimal friction coefficient, and capacity to stand up to heat and corrosion. Ceramics are also light-weight, non-conductive, and have exceptional resistance to friction. These goods can face up to temperatures up to 1,800 levels Fahrenheit. If you are in the market place for a plastic ball bearing, it is crucial to decide on the right kind of materials. And if you happen to be searching for a substantial-top quality bearing, look no additional.

China Best Sales Chrome Steel Deep Groove Ball Bearing 6203zz ABEC-3 ABEC-1 Ball Bearings with Dimensions 17X40X12 mm     wholesaler China Best Sales Chrome Steel Deep Groove Ball Bearing 6203zz ABEC-3 ABEC-1 Ball Bearings with Proportions 17X40X12 mm     wholesaler