Tag Archives: bearing rubber seal

China Good quality Miniature Bearing Manufacturer 3*8*4 693-2RS High Precision Mini Bearing with Rubber Seal bearing air

Product Description



ITEM  693-2RS
bore diameter(d) 3mm
outside diameter(D) 8mm
Width(B) 4mm
TYPE zz or rs
MEMO widely used in motor



PART NUMBER SEAL TYPE Bore diameter(d) Outer diameter(D) Width(B) BALL SIZE(mm) BALL QTY weight(g)
681 open 1 3 1 0.6 6 0.03
691 open 1 4 1.6 0.8 5 0.11
681X open 1.5 4 1.2 0.6 7 0.1
681xzz Shield 1.5 4 2 0.6 7 0.14
691X open 1.5 5 2 0.6 6 0.2
691XZZ Shield 1.5 5 2.6 0.6 6 0.25
601X open 1.5 6 2.5 1.2 6 0.31
601XZZ Shield 1.5 6 3 1.2 6 0.4
682 open 2 5 1.5 0.8 6 0.15
682zz Shield 2 5 2.3 0.8 6 0.2
682-2RS Rubber seal 2 5 2.3 0.8 6 0.2
MR52 open 2 5 2 0.8 6 0.14
MR52ZZ Shield 2 5 2.5 0.8 6 0.2
MR52-2RS Rubber seal 2 5 2.5 0.8 6 0.2
692 open 2 6 2.3 1.2 6 0.28
692ZZ Shield 2 6 3 1.2 6 0.35
692-2RS Rubber seal 2 6 3 1.2 6 0.35
MR62 open 2 6 2.5 1.2 6 0.28
MR62ZZ Shield 2 6 2.5 1.2 6 0.33
MR62-2RS Rubber seal 2 6 2.5 1.2 6 0.33
MR72 open 2 7 2.5 1.2 7 0.43
MR72ZZ Shield 2 7 3 1.2 7 0.53
MR72-2RS Rubber seal 2 7 3 1.2 7 0.53
602 open 2 7 2.8 1.2 7 0.5
602ZZ Shield 2 7 3.5 1.2 7 0.6
602-2RS Rubber seal 2 7 3.5 1.2 7 0.6
682X open 2.5 6 1.8 0.8 8 0.2
682XZZ Shield 2.5 6 2.6 0.8 8 0.35
682X-2RS Rubber seal 2.5 6 2.6 0.8 8 0.35
692X open 2.5 7 2.5 1.2 7 0.4
692XZZ Shield 2.5 7 3.5 1.2 7 0.55
692X-2RS Rubber seal 2.5 7 3.5 1.2 7 0.55
MR82X open 2.5 8 2.5 1.588 6 0.52
MR82XZZ Shield 2.5 8 2.5 1.588 6 0.52
MR82X-2RS Rubber seal 2.5 8 2.5 1.588 6 0.52
602X open 2.5 8 2.8 1.588 6 0.61
602XZZ Shield 2.5 8 4 1.588 6 0.85
602X-2RS Rubber seal 2.5 8 4 1.588 6 0.85
MR63 open 3 6 2 0.8 8 0.2
MR63ZZ Shield 3 6 2.5 0.8 8 0.28
MR63-2RS Rubber seal 3 6 2.5 0.8 8 0.28
683 open 3 7 2 1 8 0.32
683ZZ Shield 3 7 3 1 8 0.45
683-2RS Rubber seal 3 7 3 1 8 0.45
MR83 open 3 8 2.5 1.2 7 0.51
MR83ZZ Shield 3 8 3 1.2 7 0.67
MR83-2RS Rubber seal 3 8 3 1.2 7 0.67
693 open 3 8 3 1.2 7 0.6
693ZZ Shield 3 8 4 1.2 7 0.8
693-2RS Rubber seal 3 8 4 1.2 7 0.8
MR93 open 3 9 2.5 1.588 6 0.75
MR93ZZ Shield 3 9 4 1.588 6 1.15
MR93-2RS Rubber seal 3 9 4 1.588 6 1.15
603 open 3 9 3 1.588 6 0.84
603ZZ Shield 3 9 5 1.588 6 1.13
603-2RS Rubber seal 3 9 5 1.588 6 1.13
623 open 3 10 4 1.588 7 1.45
623ZZ Shield 3 10 4 1.588 7 1.65
623-2RS Rubber seal 3 10 4 1.588 7 1.65
633 open 3 13 5 2.381 7 3.27
633ZZ Shield 3 13 5 2.381 7 3.43
633-2RS Rubber seal 3 13 5 2.381 7 3.43
MR74 open 4 7 2 1 8 0.23
MR74ZZ Shield 4 7 2.5 1 8 0.33
MR74-2RS Rubber seal 4 7 2.5 1 8 0.33
MR84 open 4 8 2 1.2 7 0.39
MR84ZZ Shield 4 8 3 1.2 7 0.56
MR84-2RS Rubber seal 4 8 3 1.2 7 0.56
684 open 4 9 2.5 1.588 7 0.65
684ZZ Shield 4 9 4 1.588 7 1
684-2RS Rubber seal 4 9 4 1.588 7 1
MR104 open 4 10 3 1.588 8 0.96
MR104ZZ Shield 4 10 4 1.588 8 1.33
MR104-2RS Rubber seal 4 10 4 1.588 8 1.33
694 open 4 11 4 2 7 1.69
694ZZ Shield 4 11 4 2 7 1.75
694-2RS Rubber seal 4 11 4 2 7 1.75
604 open 4 12 4 2 7 2.19
604ZZ Shield 4 12 4 2 7 2.34
604-2RS Rubber seal 4 12 4 2 7 2.34
624 open 4 13 5 2.381 7 3.1
624ZZ Shield 4 13 5 2.381 7 3.2
624-2RS Rubber seal 4 13 5 2.381 7 3.2
634 open 4 16 5 2.381 7 5.24
634ZZ Shield 4 16 5 2.381 7 5.44
634-2RS Rubber seal 4 16 5 2.381 7 5.44
MR85 open 5 8 2 1 8 0.25
MR85ZZ Shield 5 8 2.5 1 8 0.34
MR85-2RS Rubber seal 5 8 2.5 1 8 0.34
MR95 open 5 9 2.5 1.2 8 0.54
MR95ZZ Shield 5 9 3 1.2 8 0.58
MR95-2RS Rubber seal 5 9 3 1.2 8 0.58
MR105 open 5 10 3 1.2 8 0.58
MR105ZZ Shield 5 10 4 1.2 8 0.62
MR105-2RS Rubber seal 5 10 4 1.2 8 0.62
MR115 open 5 11 4 1.588 8 0.62
MR115ZZ Shield 5 11 4 1.588 8 0.62
MR115-2RS Rubber seal 5 11 4 1.588 8 0.62
685 open 5 11 3 1.588 8 1.16
685ZZ Shield 5 11 5 1.588 8 1.93
685-2RS Rubber seal 5 11 5 1.588 8 1.93
695 open 5 13 4 2 8 2.31
695ZZ Shield 5 13 4 2 8 2.39
695-2RS Rubber seal 5 13 4 2 8 2.39
605 open 5 14 5 2.381 7 3.46
605ZZ Shield 5 14 5 2.381 7 3.75
605-2RS Rubber seal 5 14 5 2.381 7 3.75
625 open 5 16 5 2.778 7 4.95
625ZZ Shield 5 16 5 2.778 7 5.1
625-2RS Rubber seal 5 16 5 2.778 7 5.1
635 open 5 19 6 3.5 6 8.5
635ZZ Shield 5 19 6 3.5 6 8.89
635-2RS Rubber seal 5 19 6 3.5 6 8.89
MR106 open 6 10 2.5 1.2 10 0.55
MR106ZZ Shield 6 10 3 1.2 10 0.7
MR106-2RS Rubber seal 6 10 3 1.2 10 0.7
MR126 open 6 12 3 1.588 8 1.25
MR126ZZ Shield 6 12 4 1.588 8 1.66
MR126-2RS Rubber seal 6 12 4 1.588 8 1.66
686 open 6 13 3.5 2 8 1.87
686ZZ Shield 6 13 5 2 8 2.68
686-2RS Rubber seal 6 13 5 2 8 2.68
696 open 6 15 5 2.381 7 3.65
696ZZ Shield 6 15 5 2.381 7 3.85
696-2RS Rubber seal 6 15 5 2.381 7 3.85
606 open 6 17 6 3.5 6 5.94
606ZZ Shield 6 17 6 3.5 6 6.89
606-2RS Rubber seal 6 17 6 3.5 6 6.89
626 open 6 19 6 3.5 6 8.12
626ZZ Shield 6 19 6 3.5 6 8.65
626-2RS Rubber seal 6 19 6 3.5 6 8.65
636 open 6 22 7 3.969 7 13.9
636ZZ Shield 6 22 7 3.969 7 14.5
636-2RS Rubber seal 6 22 7 3.969 7 14.5
MR117 open 7 11 2.5 1.2 9 0.59
MR117ZZ Shield 7 11 3 1.2 9 0.71
MR117-2RS Rubber seal 7 11 3 1.2 9 0.71
MR137 open 7 13 3 1.2 12 1.52
MR137ZZ Shield 7 13 4 1.2 12 2.01
MR137-2RS Rubber seal 7 13 4 1.2 12 2.01
687 open 7 14 3.5 2 9 2.03
687ZZ Shield 7 14 5 2 9 2.95
687-2RS Rubber seal 7 14 5 2 9 2.95
697 open 7 17 5 2 9 5.01
697ZZ Shield 7 17 5 2 9 5.26
697-2RS Rubber seal 7 17 5 2 9 5.26
607 open 7 19 6 3.5 6 7.8
607ZZ Shield 7 19 6 3.5 6 8.24
607-2RS Rubber seal 7 19 6 3.5 6 8.24
627 open 7 22 7 3.969 7 12.7
627ZZ Shield 7 22 7 3.969 7 13.1
627-2RS Rubber seal 7 22 7 3.969 7 13.1
637 open 7 26 9 4.762 7 24.2
637ZZ Shield 7 26 9 4.762 7 25.8
637-2RS Rubber seal 7 26 9 4.762 7 25.8
MR128 open 8 12 2.5 1.2 12 0.7
MR128ZZ Shield 8 12 3.5 1.2 12 0.99
MR128-2RS Rubber seal 8 12 3.5 1.2 12 0.99
MR148 open 8 14 3.5 1.588 10 1.9
MR148ZZ Shield 8 14 4 1.588 10 2.19
MR148-2RS Rubber seal 8 14 4 1.588 10 2.19
688 open 8 16 4 2 10 3.11
688ZZ Shield 8 16 5 2 10 4.05
688-2RS Rubber seal 8 16 5 2 10 4.05
698 open 8 19 6 3.175 7 7.12
698ZZ Shield 8 19 6 3.175 7 7.57
698-2RS Rubber seal 8 19 6 3.175 7 7.57
608 open 8 22 7 3.969 7 11.8
608ZZ Shield 8 22 7 3.969 7 12.9
608-2RS Rubber seal 8 22 7 3.969 7 12.9
628 open 8 24 8 3.969 7 17.1
628ZZ Shield 8 24 8 3.969 7 18.5
628-2RS Rubber seal 8 24 8 3.969 7 18.5
638 open 8 28 9 4.762 7 28.1
638ZZ Shield 8 28 9 4.762 7 30.3
638-2RS Rubber seal 8 28 9 4.762 7 30.3
679 open 9 14 3 1.588 12 1.35
679ZZ Shield 9 14 4.5 1.588 12 1.98
679-2RS Rubber seal 9 14 4.5 1.588 12 1.98
689 open 9 17 4 2 11 3.41
689ZZ Shield 9 17 5 2 11 4.38
689-2RS Rubber seal 9 17 5 2 11 4.38
699 open 9 20 6 3.175 8 8.38
699ZZ Shield 9 20 7 3.175 8 8.54
699-2RS Rubber seal 9 20 7 3.175 8 8.54
609 open 9 24 7 3.175 8 14.7
609ZZ Shield 9 24 7 3.175 8 16
609-2RS Rubber seal 9 24 7 3.175 8 16
629 open 9 26 8 4.762 7 19
629ZZ Shield 9 26 8 4.762 7 21.8
629-2RS Rubber seal 9 26 8 4.762 7 21.8
639 open 9 30 10 4.762 7 36.2
639ZZ Shield 9 30 10 4.762 7 37.1
639-2RS Rubber seal 9 30 10 4.762 7 37.1






   Established in 2007, HangZhou Runstar Bearings Manufacturing Co.,Ltd is a professional manufacturer of thrust ball bearing and miniature ball bearing in HangZhou,China.  With a inner diameter from 2mm to 15mm for metric series and from 0.0781″ to 0.375″ for inch series , the material can be selected with chrome steel(Gcr15) or stainless steel(9Cr18) at your request, our characteristic products are thrust ball bearing with or without groove, miniature ball bearing,flange bearing and  stainless steel bearing,as well as non-standard bearings, we have more than 12 year’s experience in supplying thrust ball bearing and miniature ball bearing for industries.











Precision Rating: ABEC-1,ABEC-3,ABEC-5
Structure: Deep Groove
Application: Motor,DC Fan,Home Appliance
US$ 2/Set
1 Set(Min.Order)


Order Sample

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.


The Benefits of Using Self-Lubricating Bushings for Your Next Pivot

Like any other auto part, control arm bushings wear out over time. This results in an increase in irritating vibrations that can be dangerous in severe cases. The bushings in the control arms also wear out due to the stress that extreme driving conditions put on the control arms. Additionally, environmental factors and oversized tires tend to transmit more vibration through the bushing than conventionally sized tires. Whatever the cause, bushings can be the source of many problems.

wear and cracking

The main cause of dry valve side bushing cracking is a mismatch in thermal expansion of the core and flange. This situation can seriously compromise the safety of the power system. To improve the safety of dry valve side bushings, the crack development of epoxy impregnated paper under various conditions was investigated. A coupled thermomechanical simulation model was also used to study the cracking process.
The first step in diagnosing the cause of bushing wear and cracking is a visual inspection. The bushing of the lower control arm is fixed to the frame by a bracket. If there are any visible cracks, it’s time to replace the bushing. However, there is no need to replace the entire suspension. In some cases, worn bushings can cause a variety of problems, including body lean, excessive tire wear and cornering noise.

Maintenance free

If you’re considering maintenance-free bushings for your next pivot, you’ll be wondering what to look for in these components. The bushing protects the housing from corrosion and keeps the bushing under pressure. However, many users are not familiar with what these components can do for their applications. In this article, we’ll look at several examples of truly maintenance-free pivots and discuss their requirements.
One of the most popular types of maintenance-free bushings are flanged and parallel. Unlike worm gear bushings, these self-lubricating metal bearings are ideal for a variety of applications and conditions. They reduce failure and downtime costs while providing the long-term lubrication required by other types of bushings. Since these sleeves are made of lead-free material, they are RoHS compliant, which means they are environmentally friendly.Another common maintenance-free bushing is plastic. This material is easier to find off-the-shelf and relatively inexpensive to produce. However, it is not suitable for high load applications as it will crack under heavy loads and damage mating parts. Plastics can also deviate if the manufacturing process is imprecise. Plastic bushings can also crack when subjected to high loads.


When using a self-lubricating bushing, there is no need to apply grease to the bushing. Oily liquids tend to attract dirt and grit, which can wear away the graphite prematurely. By eliminating the need for regular lubrication, you will reduce equipment maintenance costs. This article will explore the benefits of self-lubricating bushings. You will love your kindness.
Self-lubricating bushings have a strong base material to withstand radial bearing pressure while providing shaft support at the contact surfaces. The material also has good fatigue properties and low friction motion. Self-lubricating bushings can be used in environments with high temperatures and aggressive media. These products can also withstand enormous pressure. When using self-lubricating bushings, it is important to select the correct material.
The main advantage of using self-lubricating bushings is ease of maintenance. They don’t require oil to run and are cheaper to buy. Their main benefit is that they can significantly reduce your machine running costs. These bearings do not require oiling operations, reducing maintenance costs. These bearings also offer a simplified mechanical design due to their thin walls and high load capacity. In addition, they reduce noise levels while maintaining excellent wear resistance. Plus, their materials are ROHS compliant, which means they don’t require oil.
Hydropower installations are another area where self-lubricating bushings have proven their advantages. They reduce maintenance costs, extend equipment life, and improve environmental benefits. For example, the Newfoundland Power Company uses self-lubricating bushings in the gates of its hydroelectric power plants. These self-lubricating bushings eliminate grease from entering waterways and tailraces. As a result, power companies are able to reduce maintenance and costs.

compared to cartilage in the human body

What is the difference between tendon, bone and cartilage? Human cartilage is composed of collagen and elastic fibers. In contrast, fibrocartilage contains more collagen than hyaline cartilage. Both cartilage types are composed of proteoglycans, which have a protein backbone and glycosaminoglycan side chains. These components work together to provide structure and flexibility to the cartilage.
Bone is a combination of living and dead cells embedded in a matrix. The outer hard layer of bone is dense bone, and the inner layer is spongy, containing bone marrow, blood vessels, nerves, etc. Bone contains both organic and inorganic substances, and this process of hardening of the matrix produces bone. On the other hand, cartilage consists of chondrocytes and a matrix composed of collagen and elastin fibers. Compared to bone, cartilage is yellow and contains elastic fibers.
Although bone and cartilage are structurally identical, cartilage is more flexible. It is mainly found in the joints and respiratory system and requires flexibility. Its ingredients include collagen and proteoglycans, which provide compression and abrasion resistance. Furthermore, connective tissue is composed of cells, fibers and matrix.
The basic substance of cartilage is chondroitin sulfate, which is derived from animals. Although cartilage grows more slowly than bone, its microstructure is less organized. There is a fibrous sheath covering the cartilage, called the perichondrium. The molecular composition of the ECM plays an important role in the function of cartilage. The collagen matrix is ​​important for cartilage remodeling and consists of changes in the collagen matrix.

Compared to metal-on-bone contact

Both metal-on-bone contact are known to cause a significant increase in the pressures in a joint. To compare the two, we first calculated the joint contact pressures in each model and compared them. The results of this study support previous research on this subject. The following sections discuss the benefits of both types of contact. They also outline some key differences between the two.

China Good quality Miniature Bearing Manufacturer 3*8*4 693-2RS High Precision Mini Bearing with Rubber Seal   bearing airChina Good quality Miniature Bearing Manufacturer 3*8*4 693-2RS High Precision Mini Bearing with Rubber Seal   bearing air
editor by CX 2023-11-15

China high quality 6200-2RS 10X30X9mm Deep Groove Ball Bearing Double Rubber Seal Bearing Pre-Lubricated with Free Design Custom

Product Description


Solution Description

Our precision deep groove ball bearings are made for higher precision, minimal sounds, tiny vibration, substantial dependability and long lifestyle. They are primarily utilised in a variety of varieties of electric motors. They are also recognized as EMQ (Electric Motor Top quality) bearings.
 EMQ bearings are commonly used in house appliances, toys, electric power instruments, auto motors and other fields. With optimal layout, substantial reliability heat remedy, precision manufacturing procedures and high-quality grease, these products carry out better on reliability, vibration and sound amounts than regular goods creating them more ideal for electric motor apps. These merchandise can also be applied to most gearbox applications as well.

About this item 

  • Dimensions: 10x30x9 mm 
  • Rubber seal on each sides 
  • 100% Chrome Steel for higher resistance and durability 
  • Supports 24,000 rpm 
  • Our substantial-top quality bearing is produced to reduce your replacement frequency and servicing cost

This 6200RS 10x30x9-millimeter sealed ball bearing has deep groove geometry for large speeds and supporting both radial and axial masses. Its chrome steel construction can make it sturdy and resistant to deformity under hefty masses. The rubber seals on equally sides of the bearing keep CZPT in and contaminants out, and it will come pre-lubricated from the maker so that no added lubrication is required. This deep-groove sealed ball bearing is for use in applications that include combined radial and axial masses and a require for high managing accuracy at high rotational speeds. These kinds of purposes consist of clutches, drives, gearboxes, compressors, pumps, turbines, and printing and textile machines, between other individuals.

What’s in the Box

ten 6200RS 10x30x9-millimeter ball bearings

Rolling bearings use rolling factors to keep the separation amongst shifting parts to minimize rotational friction and help radial and axial loads. These components can be 1 of the adhering to kinds: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing manufacturing facility, although open and shielded bearings are meant to be lubricated in spot, with periodic reapplication of lubrication, primarily based on use. The defend guards the working components of the bearing from environmental debris that might be launched and could reduce the ball bearing velocity and lifespan. Rolling bearings are used in a assortment of programs from agricultural CZPT to conveying equipment, robotics, dental tools, elevators, rolling mills, ship rudder shafts, and combination crushers, among others.



Thorough Photographs

Packaging & Shipping

Packaging Details
A.Polybag +Box+Carton 
C.As per customer’s request 
We have kinds of packages, such as plastic baggage, cartons, specific packing containers. We use distinct offers based on the merchandise and our customers’ demands.
Port :ZheJiang
Guide Time:Delivered in thirty times after payment

Business Profile

Our Positive aspects

The use of our deep groove ball bearing:


If you have any other questions, make sure you come to feel cost-free to contact us as follows.


Q: Why CZPT you pick us?

A. We supply the greatest good quality bearings with realistic cost, low friction, minimal sound and prolonged service life.

B. With sufficient inventory and quick supply, you can choose our freight forwarder or your freight forwarder.

C. The best service supplied by a well-trained intercontinental sales group.


Q: Do you take tiny orders?

a hundred% quality verify, as soon as your bearings are normal measurement bearings, even 1, we also settle for.


Q: How long is your shipping and delivery time?

Generally talking, if the goods are in stock, it is 1-3 days. If the merchandise are out of stock, it will just take 6-10 times, based on the amount of the order.


Q: Do you provide samples? Is it free of charge or added?

Of course, we can give a small volume of free of charge samples. Do you brain spending the freight?


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

We have too numerous bearing collection numbers. Sometimes we are unable to set them all on net. Just deliver us the inquiry and we will be really satisfied to send you the bearing details.


Welcome to make contact with me anytime!

Types of Ball Bearings

There are many types of Ball Bearings obtainable on the market, but which one particular is best for your software? Right here, we will discuss the distinctions between Angular make contact with, One-row, Substantial-carbon steel, and Ceramic ball bearings. These kinds of bearings also attribute races, or a groove in the centre of every. These races are critical in keeping the balls contained inside the cylinder. They also offer a groove-baed pathway.


The ceramic ball employed in ball bearings has a lot of positive aspects. It is lightweight, operates at lower temperatures, has diminished skidding, and is resistant to electrolysis. The ball also exhibits for a longer time exhaustion existence. All of these elements make the ceramic ball a good option for many programs. But, how do you know if a ceramic ball bearing is proper for your application? Go through on to discover why ceramic ball bearings are a greater choice than metal or stainless metal ones.
The ceramic balls are forty% much more dense than metal. This implies less centrifugal force is created on the bearing, which suppresses heat era. Simply because of this reduced friction, ceramic bearings are more successful at transferring strength. In contrast to metal bearings, ceramic balls have lengthier lifestyle spans. Nonetheless, these ceramic balls are not as robust as metal. Consequently, it is essential to comprehend the constraints of the ceramic ball bearing before purchasing 1.
The ceramic components utilized for ball bearings are resistant to micro-welding. Metals endure this procedure when imperfections in the surfaces interact. Ultimately, this results in a brittle ball that minimizes the lifestyle of a bearing. Unlike metals, ceramic materials have a secure actions at substantial temperatures and exhibit much less thermal expansion. This signifies that they can be employed for applications in which lubrication just isn’t an selection.
Even though metal balls can effortlessly absorb contaminants and overseas particles, the ceramic ball is insensitive to this, and will not call for lubrication. This signifies they are not inclined to corrosion and other common difficulties. These are just a couple of reasons why ceramics are a greater option. This technologies has a wide range of makes use of. It really is straightforward to see why it is so well-liked. If you’re looking for a new bearing for your application, be positive to get in touch with an AST Purposes Engineer. They can assess your functioning circumstances and potential failure modes.

Angular get in touch with

An Angular Contact Ball Bearing (also acknowledged as an angular-contact bearing) has an axial element that is generated when radial hundreds are applied. They are usually utilized in pairs, triplex sets, or quadruplex sets. These bearings are also accessible with Super Finished Raceways to minimize sounds and improve lubricant distribution. Angular speak to ball bearings have different design and style units, this kind of as bore size, outer diameter, and outer ring width.
A one-row angular get in touch with bearing has a radial contact angle that is equivalent to the angular distance between the two rings. Double-row angular bearings are made for two-way thrust functionality. These types of bearings can be acquired at Grainger and other online retailers. A typical angular contact bearing will previous up to a million revolutions. They are usually utilized in industrial angular get in touch with bearings.
Single-row angular speak to ball bearings function a established get in touch with angle. These bearings can support radial and axial masses, but they are unable to stand up to large speeds. Solitary-row angular speak to ball bearings may also have a single or two shoulders relieved. Thrust load is a stress put on the bearing when it is mounted in an assembly, and it is utilized to develop an angle amongst the races.
Angular speak to ball bearings occur in one and double-row configurations. They vary in the axial load they can have and the type of lubrication they use. Angular speak to ball bearings are excellent for higher-velocity applications and can accommodate equally radial and axial masses. The type of speak to and lubrication utilised in angular-make contact with ball bearings is dependent on the intended use for the bearing.

Higher-carbon metal

Carbon steel is a lower-alloy and higher-carbon steel employed in bearings. This materials supplies superior power and tiredness homes for ball and roller bearings. Its mechanical qualities are ideal for applications the place the temperature is significantly less than four hundred levels Fahrenheit. High-carbon steel is also used to make bearing elements for chrome metal bearings. These kinds of steels are softer than chrome steel but provide superior sturdiness in applications the place the substance is exposed to significant problems.
Hardened carbon steel balls with an AISI 1015 hardness index are utilized in a selection of automotive, professional, and semi-precision purposes. In addition to automotive programs, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are utilised in bearings. They can be bought in a variety of weights and diameters. Carbon steel balls can also be bought in nickel-plated or uncoated varieties for attractive purposes.
In get to decide whether a ball bearing is manufactured of high-carbon metal, the materials have to be examined for its hardness. An ordinary pocket magnet will work properly, but an common rare earth magnet just isn’t powerful enough to measure the hardness. If it draws in the magnet strongly, the steel is metal, while a weak magnet suggests a non-ferrous substance. A hardness take a look at calls for a particular microhardness test.
A reduced-carbon steel is an additional option. Some miniature bearing manufacturers use a substance with considerably less carbon than AISI 440C. This substance is also identified as KS440 or X65Cr13. After becoming heat-taken care of, it develops more compact carbides, ensuing in excellent low-sound characteristics and the same corrosion-resistance as 440C. These components are a considerably less pricey substitute than chrome steel, but they are often less durable than chrome alloy steel.


Solitary-row angular get in touch with ball bearings accommodate axial masses in 1 route. These are normally adjusted against a next bearing. Unlike other ball bearings, they are non-separable and include an upper and lower shoulder. One-row ball bearings are produced of Chromium Metal (GCr15) which is heat-treated to attain large uniform hardness and exceptional wear resistance. They are the most generally used sort of bearings in the planet.
Due to the fact of the angular get in touch with among the radial plane and the raceway, one-row ball bearings transmit radial forces from raceway to raceway. A increased a, the higher the axial load carrying capability of the bearing. Single-row angular contact ball bearings are best for substantial axial loads. Nevertheless, they have limited preload abilities and have to be put in in pairs. Consequently, they are very best utilised for purposes in which axial forces should be distributed.
Solitary-row ball bearings can be pre-lubricated and have steel shields. They are also offered with rubber seals or snap rings on the outside the house edge. They are obtainable with a variety of retainers, like pressed steel cages, plastic shields, and rubber seals. A tapered bore is also accessible upon ask for. They are best for apps exactly where room is limited. The 6200 sequence of bearings are specially effectively suited for electrical motors, dental hand tools, and optical encoders.
Solitary-row angular speak to ball bearings are widely employed for axial masses. The outer and inner rings have marginally more substantial radii than the balls. These bearings can accommodate large speeds and lower torque. They can also be equipped with diverse grease stages. If grease is needed, you can pick a lubricant that has different characteristics depending on the application. They are effortless to install and preserve. However, they are not advisable for adjacent mounting.


A plastic ball bearing is a extremely functional part that can be mounted in a variety of elements, including 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 built-in design of a plastic ball bearing helps to lessen assembly time and expense. Listed here are some of the benefits of this variety of bearing:
First and foremost, plastic balls are lighter than metallic balls. They also have significantly less magnetic homes than metal balls, generating them the very best option for applications requiring minimal excess weight and sounds. Glass balls are also lighter than stainless metal balls, producing them the ideal metal-free of charge choice. They are also extremely corrosion-resistant, which helps make them a fantastic option for some purposes. In addition to getting light-weight, polymer ball bearings are also peaceful. And since of their lower fat, plastic ball bearings are best for programs that need quick pace.
One more gain of plastic bearings is their potential to withstand substantial temperatures. This materials is also abrasion and corrosion-resistant. It meets Fda and USDA acceptance requirements. Apart from its abrasion-resistant and corrosion-resistant houses, these plastics do not transfer warmth. Aside from currently being very sturdy and flexible, most plastics are also self-lubricating. Frequent plastics incorporate phenolics, acetals, nylon, and ultra higher molecular weight polyethylene. However, plastics have limits, and these materials may be damaged by severe temperatures or cold circulation beneath hefty hundreds.
Other advantages of plastic ball bearings include their low density, large hardness and low friction coefficient, and potential to endure heat and corrosion. Ceramics are also light-weight, non-conductive, and have outstanding resistance to friction. These goods can endure temperatures up to 1,800 degrees Fahrenheit. If you might be in the market place for a plastic ball bearing, it truly is critical to pick the appropriate variety of content. And if you are searching for a higher-top quality bearing, look no additional.

China high quality 6200-2RS 10X30X9mm Deep Groove Ball Bearing Double Rubber Seal Bearing Pre-Lubricated     with Free Design CustomChina high quality 6200-2RS 10X30X9mm Deep Groove Ball Bearing Double Rubber Seal Bearing Pre-Lubricated     with Free Design Custom

China high quality High Speed Double Rubber Seal Deep Groove Ball Bearing Ball Bearing 6201-2RS with Dimension 12X32X10 mm with Good quality

Merchandise Description


Item Description

About this item 

  • 6201-2RS Ball Bearing: This is the most common products because of to its overall flexibility in apps. It is fantastic for apps that call for substantial speeds, small servicing and minimal functioning sounds. 
  • 6201 Deep Groove Metric Ball Bearings: is composed of an inner ring, outer ring, cage and the ball bearings, the bearings have deep raceway grooves. can deliver high overall performance and higher load capability. 
  • Ball bearing benefit: Ball bearings is manufactured of chrome steel highlighted spin at large speeds require lubrication and a clean environment By obtaining the ball bearings shielded make certain greater security in opposition to dust and grease with a for a longer time lifespan. 
  • 6201-2RS bearing is utilised in a selection of purposes from agricultural CZPT to conveying products, electric powered motors, CNC equipment, vans, mining gear, teach, robotics, dental gear, elevators, rolling mills, ship rudder shafts, and family appliances. 
  • Our Service: 100% satification, To make positive our sincere buyers have the ideal acquiring encounter, we provide thirty-day return/ alternative provider.If you are not content with the product, you should speak to us, we will refund you unconditionally.
  • Broad Software:Rolling bearings are used in a assortment of programs from agricultural CZPT to conveying gear, robotics,dental gear, elevators, ship rudder shafts, skateboards, inline skates, scooters and , amid other individuals. 
  • 6201-2RS Dimension:Internal Dia.=.47 inch, Outer Dia.=1.26 inch, Thickness=.39 inch 
  • Substance:The bearing is created of higher high quality bearing steel, excellent durability and resistance to large loads(Synthetic Grease Method provided Wear-Resistant Additives and Substantial Temperature Grease can be rated to 410 F) 
  • Features:Pre-lubricated, normal accuracy, less friction, higher speed, smooth and low noise 
  • Strictly Shielded:Shields on both sides of the bearing help to keep dust out.Quality Support & 12 Months Warranty


  • 6201-2RS (I.D.=12mm, O.D.=32mm, Thickness=10mm)
  • The bearing is created of high high quality chrome metal (not carbon metal) for sturdiness and resistance to deformity below heavy hundreds.
  • Device polished interior & outer race for the ultimate in sleek higher speed rolling
  • Deep Groove Ball Bearings are 1 of the most broadly utilized rolling bearings. They are utilised to accommodate radial and axial masses in the two instructions.
  • Ideal for CZPT load employs: skateboards, Inline skates, scooters, inline blade electrical motors, wheels of bicycle, motorcycle, electric CZPT energy instrument ect. in numerous other rolling purposes

Model: 6201RS 
Sealed Variety: Double Sealed 
Content: Bearing Steel 
Heat Treatment method: Quenching 

Thick:10mm/ .4″ 
Internal Dia:12mm/ .47″ 
Outer Dia:32mm / 1.26″ 

Bundle Content 
5pcs x 6201RS Ball Bearing 

Our Assure
Refund is assured if the item you gained has any issue. ” 

Welcome to Contact Us
Your satisfation is our first precedence. We aims to provide our clients a content shopping encounter and accomplished After Sale Service. If you have any query to item, please come to feel free to contact us.



In depth Images

Packaging & Transport

Packaging Information
A.Polybag +Box+Carton 
C.As for each customer’s request 
We have varieties of packages, this sort of as plastic bags, cartons, unique boxes. We use different offers based on the items and our customers’ needs.
Port :ZheJiang
Direct Time:Shipped in 30 times soon after payment

Company Profile

Our Benefits

The use of our deep groove ball bearing:


If you have any other concerns, you should truly feel free to get in touch with us as follows.


Q: Why CZPT you decide on us?

A. We give the greatest good quality bearings with affordable price, lower friction, lower sound and long provider life.

B. With enough stock and fast shipping, you can choose our freight forwarder or your freight forwarder.

C. The best services presented by a well-skilled international income staff.


Q: Do you accept little orders?

a hundred% high quality verify, after your bearings are standard measurement bearings, even one, we also acknowledge.


Q: How prolonged is your supply time?

Generally talking, if the products are in inventory, it is 1-3 times. If the goods are out of stock, it will take 6-10 days, relying on the quantity of the get.


Q: Do you provide samples? Is it free of charge or extra?

Of course, we can provide a small amount of free of charge samples. Do you thoughts having to pay the freight?


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

We have also numerous bearing sequence figures. Often we are unable to place them all on world wide web. Just deliver us the inquiry and we will be extremely satisfied to ship you the bearing details.


Welcome to get in touch with me whenever!

Benefits of Ball Bearings

What is a ball bearing? A ball bearing is a sort of rolling-component bearing that makes use of balls to preserve separation in between two bearing races. Its make contact with angle between the balls and the races will help it lessen friction among the masses. There are many positive aspects to ball bearings, including their capacity to endure drinking water. Read through on to learn far more. Here are a number of of the benefits. You can use them in your daily daily life, from your vehicle to your boat.

Ball bearings reduce friction between loads

Ball bearings lessen friction in between loads by constraining the relative motion between transferring components. These bearings consist of a ring of little steel balls that reduce friction between transferring objects. The name “ball bearing” is derived from the verb “to bear.” The lubricant in the bearing minimizes friction amongst relocating particles. In a equipment, ball bearings reduce friction in between transferring areas and increase linear movement all around a fastened axis.
These bearings are typically used to lessen friction in between masses in rotating devices. They have two tracks, one set to the rotating component and one particular stationary. The rolling balls of a ball bearing have decrease friction than flat surfaces. Since of this, they are helpful for bar stool bearings. They decrease friction in between surfaces and preserve the separation amongst bearing races. Consequently, small floor make contact with is achievable. Ball bearings have the possible to enhance the daily life of devices and lessen strength intake.
Ball bearings can be as small as a wrist look at or as large as an industrial motor. They function the same way, decreasing friction among masses. Between their several employs, ball bearings are crucial for every day functions. Clocks, air conditioners, supporters, and auto axles all use ball bearings. In fact, anything that makes use of a motor needs ball bearings. It’s no question they are gaining reputation in industries and each day existence.

They assistance radial and axial masses

Radial ball bearings are used largely for radial loads, but they also have a ability for axial load. This load capacity is generally given as a proportion of the radial load rating. Axial load capability is typically increased for a bearing with a bigger big difference between the internal and outer ring diameters. The axial load potential is also affected by the bearing’s raceway depth, with shallow raceways being far more suitable for heavier axial masses.
The two main sorts of axial and radial loads are described by their orientation. Axial hundreds implement forces in one course while radial masses act on the reverse path. In both cases, the bearing must help the forces that are imposed. Axial loads apply forces to a bearing in a single route, even though radial hundreds use forces in the two directions. No matter of the type of load, axial and radial loads ought to be deemed when picking a bearing for a given application.
Angular and radial ball bearings differ in their resources. Radial ball bearings are made mostly of via-hardened resources. They normally have a Rockwell hardness rating of fifty eight Rc. The raceways and balls of these bearings are manufactured of 440C stainless metal. They could also have shields and seals. SAE 52100 steel is the most typical material for the raceway, even though molybdenum steels are superb for high temperatures.

They have a speak to angle in between the balls and the races

When evaluating axial load bearings with their radial counterparts, the angular speak to angle is a lot more essential. Axial load bearings, have a make contact with angle among the balls and the races of 35 levels. They are appropriate for axial loads and a minimal radial load. The speak to angle of these bearings is a result of the condition of the interior and outer rings. Every single rolling component will come into make contact with with the inner and outer rings only at a single point, forming a 30 degree angle with the radial plane. The radial drive of the axial load on these bearings is therefore increased by increasing the speak to angle between the balls and the races.
This make contact with angle determines the sum of friction in between the balls and the races, and enables angular speak to bearings to withstand large radial and thrust masses. In addition, the bigger the make contact with angle, the better the axial load support. Angular contact bearings occur in standard imperial (inch) and metric (mm) sizes. The angular speak to angle is identified by the cost-free radial perform worth and the curvature of the interior observe.

They are h2o-resistant

In addition to their water-resistant qualities, corrosion-resistant ball bearings can also safeguard in opposition to the harmful results of corrosive environments. Usually, regular metals, this sort of as metal, are prone to rust, which can substantially minimize their efficiency and lengthen the life of parts. Even so, plastics, stainless steel, and ceramics can give corrosion-resistant ball bearings. And because these supplies are a lot far more tough, they offer you other positive aspects, this sort of as being simple to maintain.
Among the advantages of plastic ball bearings is their high resistance to severe temperatures, substantial speeds, and corrosion. Depending on their construction, plastic bearings are frequently capable to resist corrosion and anti-static qualities. They are light-weight and economical when compared to steel ball bearings. CZPT Income Company was established in 1987 with a modest turnover of four lacs. As of the last economic 12 months, it has developed to 500 lacs in income.
Other benefits of h2o-resistant ball bearings incorporate corrosion resistance, which is a key thought in a lot of apps. While stainless steel is extremely corrosion-resistant, it decreases the bearing’s load-carrying potential. Also, corrosion-resistant deep groove ball bearings are generally produced with a specified interior clearance, which absorbs reduction in clearance during mounting and shaft growth. This issue impacts their functionality, and if these are compromised, a alternative could be required.

They are tough

A few issues make ball bearings tough: they’re made of true resources, which indicates that they have inherent imperfections. Grade-1 balls are created especially for higher-stress apps, these kinds of as Formulation One engines. Grade-3 balls, on the other hand, strike the perfect balance between performance and price. Ceramic balls, for case in point, are created to spin at a higher price of 400 RPM, and they are finished with a mirror end.
A metal carbon ball bearing is one of the toughest types of ball bearings available. The materials is incredibly robust, but the make contact with amongst the balls isn’t really the greatest. Minimal-carbon steel is ideal for linear shafting and is usually coated with a polymer to avert damage. Steel ball bearings with average quantities of carbon are hard, tough, and h2o-resistant. They’re best for gears, but their substantial-carbon metal counterparts are especially challenging and can resist corrosion.
A ceramic ball bearing is yet another choice. This kind has metal inner and outer rings but ceramic balls. Ceramic balls can stand up to increased temperatures than steel and are also electrically insulating. Ceramic ball bearings also tend to be lighter and are much more resistant to wear and tear. They’re also perfect for purposes in which grease is not an alternative, such as in room shuttles. Despite the simple fact that ceramic ball bearings are difficult, they’re even now less costly than metal ball bearings.

They are conductive

You may have heard the expression “ball bearing” if you have researched introductory physics. What does that indicate? Essentially, ball bearings are conductive simply because of their ability to perform electricity. This ability is mirrored in the charge distribution on the surface area of the ball. Optimistic charges are drawn towards the optimistic plate, whilst adverse expenses are drawn absent from the positively charged ball bearing. You may have even noticed a ball bearing in motion.
Nonetheless, in spite of their conductive mother nature, ball bearings can even now turn out to be damaged by electrical discharge. A higher voltage can result in the balls to pit, and the raceways to become uneven. These uneven surfaces will initial display up as abnormal sound, and at some point lead to the bearing to malfunction. Thankfully, engineers have discovered a way to counter this problem: conductive grease. This grease allows present to circulation through the ball bearing, preventing the two warmth and voltage buildup.
The big difference in between steel and ceramic ball bearings is their density. Metal bearings are much more conductive than glass or hybrid ceramics. Steel ball bearings have an even grain framework and are conductive for resonance stream. When transferring rapidly, the air encompassing the steel ball bearing carries resonance from the inner ring to the outer. This can make them perfect for substantial-speed resonance transfer. In addition to currently being conductive, glass microbeads are harder and lighter than metal.

They are utilised in pulley programs

Pulley programs use ball bearings to go the sprocket, which is a wheel that rotates. These bearings are put in on the center mounting gap of the pulley wheel. They protect the complete method from warmth, whilst allowing greater pace and easy operation. They distribute the bodyweight of the load evenly, reducing friction and wobbling, and guarantee a smooth rotation. Ball bearings are typically produced from metal and are installed inside of the pulley wheel.
The minute of inertia and bearing friction are measured to in 10 % accuracy. These two variables affect the pace of the pulley program, which can guide to crashes if the bodyweight holders are not well balanced. Consequently, ball bearings are utilised to decrease the possibility of this sort of crashes. When you want to know much more about ball bearings in pulley programs, here are the rewards they provide.
One more benefit of ball bearings in pulley methods is that they have decrease friction than their reliable counterparts. In get to decrease friction, nonetheless, ball bearings should be manufactured of very good resources. Some of the common ball resources are higher-high quality plastics and stainless metal. Very good materials and clever block design and style are crucial to minimizing friction. If you are planning to use ball bearings in your pulley technique, check out out the adhering to guidelines and make sure you are deciding on the appropriate a single for your software.
China high quality High Speed Double Rubber Seal Deep Groove Ball Bearing Ball Bearing 6201-2RS with Dimension 12X32X10 mm     with Good qualityChina high quality High Speed Double Rubber Seal Deep Groove Ball Bearing Ball Bearing 6201-2RS with Dimension 12X32X10 mm     with Good quality