Product Description


Item Description

Our precision deep groove ball bearings are developed for high precision, reduced noise, modest vibration, higher trustworthiness and lengthy daily life. They are primarily employed in a variety of types of electrical motors. They are also known as EMQ (Electric powered Motor Good quality) bearings.
 EMQ bearings are commonly employed in household appliances, toys, electric electrical power resources, auto motors and other fields. With optimal design and style, substantial reliability warmth remedy, precision manufacturing processes and substantial-quality grease, these merchandise carry out greater on dependability, vibration and sound stages than common items creating them more appropriate for electric motor programs. These merchandise can also be used to most gearbox apps as properly.

  • Dimensions: 17x40x12 mm
  • Rubber seal on each sides
  • one hundred% stainless steell for higher resistance and longevity
  • Supports 20,000 rpm
  • Our large-high quality bearing is produced to lessen your alternative frequency and routine maintenance cost
  • 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 high quality stainless steel and the lifespan is for a longer time than carbon metal, saving you upkeep expenses and staying away from frequent substitution.
  • Equipment polished internal & outer race for the final in clean high pace rolling.
  • Substantial temperature-resistant bearing:100°C–800°C.It can been applied in kiln,plastic,metal and other equipments that can bear substantial temperature
  • Rolling bearings are utilized in a assortment of programs from agricultural CZPT to conveying equipment, robotics, dental tools, elevators, rolling mills, ship rudder shafts, and combination crushers, amid other people.

Product: 6203 RS Amount per Package deal: 2 Pcs Materials: one hundred% Chrome Metal Protection: Rubber Seal on both sides Greased / Lubricated: Of course Bore (Inner) Diameter: seventeen mm Outer Diameter: forty mm Width (Thickness): 12 mm Supported Revolutions for every Minute (RPM): 20,000 WAF’s 6203RS (17x40x12) is a single-row bearing that supports radial loads, produced with Chromium Steel delivering superior high quality and durability. It will come pre-lubricated and shielded to preserve the CZPT in and contaminants, dirt and particles out.



Comprehensive Photos

Packaging & Shipping and delivery

Packaging Information
A.Polybag +Box+Carton 
C.As for each customer’s request 
We have varieties of deals, this sort of as plastic baggage, cartons, unique containers. We use different packages primarily based on the goods and our customers’ needs.
Port :ZheJiang
Guide Time:Delivered in 30 times soon after payment

Firm Profile

Our Rewards

The use of our deep groove ball bearing:


If you have any other queries, please feel cost-free to make contact with us as follows.


Q: Why CZPT you select us?

A. We give the best high quality bearings with realistic price tag, minimal friction, lower sound and prolonged service life.

B. With adequate stock and quick shipping, you can decide on our freight forwarder or your freight forwarder.

C. The greatest support supplied by a well-qualified worldwide revenue group.


Q: Do you acknowledge small orders?

one hundred% good quality check, once your bearings are standard dimension bearings, even one particular, we also acknowledge.


Q: How long is your supply time?

Normally speaking, if the merchandise are in inventory, it is 1-3 days. If the items are out of stock, it will take 6-10 days, based on the quantity of the order.


Q: Do you offer samples? Is it totally free or further?

Of course, we can supply a small quantity of free of charge samples. Do you head paying the freight?


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

We have also many bearing collection numbers. Often we cannot put them all on web. Just send out us the inquiry and we will be really satisfied to ship you the bearing particulars.


Welcome to contact me whenever!

Types of Ball Bearings

If you are searching to acquire a new ball bearing, there are numerous diverse varieties accessible. Find out about Solitary-row styles, Ceramic hybrid bearings, and Self-aligning ball bearings. You can also select from stainless steel or solitary-row designs. Then, go through about the different kinds of components available to you. You may have an less difficult time creating a selection. Right after all, you will not have to be concerned about keeping your new ball bearing, given that it will be taken care of by your provider.

Solitary-row patterns

Ball bearings with a solitary-row design have a substantial load-carrying potential. They are used in programs where higher hundreds have to be taken care of smoothly. A solitary-row design and style is a great selection when the material’s qualities call for substantial load-carrying capability but limited axial load capacity. Single-row types use two bearings with equivalent layout features, but they have various mounting approaches. Solitary-row designs can be altered both in opposition to a single one more to accommodate axial hundreds.
The one-row layout is suited for large-pace programs, but also has some negatives. The get in touch with angle a is the angle between the radial plane and contact line. The bigger the angle, the higher the axial load carrying ability of the bearing. One-row angular get in touch with ball bearings are suitable for higher axial forces. Single-row angular make contact with ball bearings have a one-row design and style and support substantial axial forces in one path. Solitary-row ball bearings are obtainable in both pressed steel and machined steel cages.
Angular contact ball bearings with a single row characteristic a cage produced of fiber-glass reinforced polyamide sixty six. These are available in diameters up to 130 mm. Four-level angular speak to ball bearings use brass, steel, or brass plate. They have good running homes and a low coefficient of linear growth. One-row patterns are simple to mount and are commonly available. Alternatively, they can be mounted with a common match style, which permits them to be effortlessly altered.
One-row angular get in touch with ball bearings are typically not appropriate for angular misalignments due to the fact they are unsuitable for compensation of angular misalignments. Misalignments lead to interior forces in the bearing which lessen its radial load potential and daily life expectancy. This type of bearing is not suited for adjacent mounting as it increases the possibilities of misalignment. Nonetheless, it is a ideal choice for purposes exactly where only one particular bearing is needed for every bearing position.

Ceramic hybrid bearings

Even though all-ceramic bearings are limited to extremely specialised apps, Si3N4-based mostly hybrid bearings are discovering use in a wide variety of large-pace devices. In comparison to steel, ceramics are considerably less prone to centrifugal forces, which are right proportional to the mass of the balls. Because Si3N4 substitution balls have a reduce density than steel, these bearings reduce the stress positioned on the outer race.
The rewards of hybrid bearings are distinct: they enable for higher speeds and loads than complete-ceramic bearings, and they require no lubrication. Due to the fact of their a lot of positive aspects, several industrial gear operators are switching to these innovative bearings. CBR is one particular company that specializes in ceramic hybrid bearings and can help you find the ideal product for your application. If you are thinking about purchasing ceramic bearings for your subsequent machine, below are some issues you need to have to know about them.
A ceramic ball bearing floor has an extremely low coefficient of friction, which is critical for apps that call for reduced friction and high speeds. Ceramic balls also have a larger hardness than metal balls, which boosts their existence. In addition to this, ceramic hybrid bearings have excellent thermal qualities, generating considerably less heat even when spinning at substantial speeds. These qualities make ceramic hybrid bearings an ideal choice for substantial-pace machinery, specially electric powered motors. They are also appropriate for apps that run below water.
A ceramic ball hybrid bearing is significantly less vulnerable to temperature fluctuations and put on. Because they are in essence indestructible, ceramic balls do not create use particles from the adhesive use. They can operate at considerably higher speeds than steel balls. Ceramic balls are also a lot more resistant to humidity. For this explanation, grease is a recommended lubricant in most ceramic bearing apps. These lubricants offer excellent defense against moisture and corrosion. More, they are available in a lot of sorts.

Self-aligning ball bearings

A self-aligning ball bearing is one particular variety of self-aligning bearing. These bearings are advised for use in flex shaft systems. Their self-aligning function prevents them from misaligning when in use. They can be employed in both single and several-joint methods. In addition to self-aligning ball bearings, these models also attribute flex shafts.
These self-aligning ball bearings come in a assortment of configurations, such as cylindrical, spherical, tapered, and straight bore. Their interior ring is tapered to fulfill particular tolerances. They are suited for operating temperatures ranging from -30°F to 120°F. Their extensive assortment of purposes allows them to be used in common equipment, precision devices, and low sounds motors. In addition, they are obtainable in a selection of exterior diameters, widths, and inside clearances.
Self-aligning ball bearings have two rows of balls and 1 widespread sphered raceway in the outer ring. This allows them to immediately compensate for angular misalignment, which may possibly be caused by machining and assembly glitches or deflections. In contrast to spherical roller bearings, these self-aligning ball bearings make significantly less friction. They run cooler even at higher speeds. Self-aligning ball bearings also supply totally free engineering support.
Self-aligning ball bearings are designed for difficult shaft alignment. They are double-row, self-retaining units, with cylindrical or tapered bores. These bearings are accessible in open and sealed patterns, and can also be employed in purposes with misalignment. They are also obtainable with an outer ring that rotates in relation to the inner ring. When it arrives to shaft misalignment, self-aligning ball bearings are a wonderful resolution.

Stainless steel

Stainless metal is a metal that resists corrosion and is hugely durable. Its corrosion-resistant and water-resistance houses make it a excellent decision for bearings in food and maritime applications. Furthermore, stainless metal has hygienic advantages. Below are some of the advantages of stainless steel ball bearings. Read on to understand far more about these incredible bearings! We’ve included some of the most widespread uses for stainless metal.
Hardness is important in a ball bearing. Steel utilizes the Rockwell C scale to measure hardness. A grade 25 steel ball bearing is correct to 25 millionths of an inch, even though a grade 5 ceramic bearing is significantly less than a 50 %-inch spherical. Although roundness is essential, it should not be overemphasized, as the bearing surfaces may not be as exact as the quality of the metallic. And keep in mind, a higher price tag doesn’t suggest a far better product.
Stainless steel ball bearings are obtainable in a variety of alloys. The alloys used in production a stainless metal ball bearing fluctuate in hardness, energy, and ductility. Stainless metal ball bearings have higher corrosion-resistance houses. Additionally, they have long lubrication life. These positive aspects make them a popular selection for industrial purposes. These bearings are simple to preserve, lessen substitution fees, and supply corrosion resistance.
The NTN Sentinel Collection is a premium line of stainless metal bearings. The strong lube is NSF H1 registered and stops grease from leaching into foods. It is also corrosion-resistant and will not want to be coated. The seals and slinger create a h2o-resistant barrier among the metal ball and the lubricant. It also provides security and safety to the bearing.

Plastic balls

For applications where noise and excess weight are significant concerns, plastic balls are ideal. These non-magnetic balls are excellent for MRI X-ray machines and sensors. They are also easy to lubricate, and are non-magnetic. A polymer ball bearing is the lightest of all a few types. This tends to make them a good decision for many industries. Study on to learn much more. This article will introduce some of the rewards of plastic balls for ball bearings.
Though ceramic ball bearings are far more durable and supply a lot of positive aspects, they are far more pricey than plastic. The good news is, plastic ball bearings offer a less costly option. These bearings attribute all-plastic races and cages. Based on the application, plastic balls can be utilized in applications involving chemical compounds. In these circumstances, plastic ball bearings are accessible with a C160 grade, which is secure for use in temperatures under 176 deg F.
Health care gadgets usually require precision specialty balls, which are manufactured of glass, stainless metal, and plastic. These bearings have to satisfy stringent cleanliness demands. To satisfy the most stringent requirements, they need to undergo ultrasonic cleaning. These bearings are accessible in plastic raceways, and are also obtainable with glass or stainless metal balls. Polyethylene balls are lightweight and can be utilized in a assortment of purposes. They can be requested in diverse measurements and tolerances to meet up with certain demands.
Plastic balls for ball bearings are often mounted into other areas, this sort of as plastic wheels, pulleys, and housings. They can be seamlessly integrated into other components of a device, which lowers assembly time and improves affordability. One important edge of plastic bearings is that they are rust-resistant. As this sort of, they can be utilized in severe environments without creating any harm. If a piece of gear is uncovered to intense temperatures, polymers are the ideal decision.

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

Steel Ball Bearings

As one of the leading steel ball bearings manufacturers, suppliers, and exporters of mechanical products, We offer steel ball bearings and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of steel ball bearings.

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