Solution Description

KAYDON High quality KB Sequence Open up Variety Extremely/Reali Trim Skinny Wall/Walled/Section Kaydon Angular Make contact with Ball Bearings KB120AR0 KB140AR0 KB160AR0 KB180AR0 KB200AR0 for Car Portray Robotic Arm

Bearing Specification

Specification for KA KAA Collection Slim Wall 4 Level Ball Bearings

*Remember to speak to us for more deep groove ball bearing particulars

Primary introduction to Thin Wall Four Stage Ball Bearings

Thin segment bearings’ design saves fat, produces place, increases design overall flexibility and supplies excellent working precision.
The bearings meet the most demanding specifications and are usually employed in substantial tech programs this sort of as aerospace, health-related systems, robotics, astronomy instrumentation and equipment tools. 

Benefits of thinl-area bearings: Solved the dimensions/excess weight dilemma of typical bearings, as properly as the dimensions/weight of shafts and housings. The really slim bearing section, miniaturization/lightweight of the merchandise, and the assortment of items expands its variety of programs.

 Features of thin-part bearings: For reduced friction torque/higher rigidity/very good rotation accuracy of bearings, steel balls with little outer diameters are used, and the use of hollow shafts guarantees room for mild fat and wiring. Slender-walled bearings are highly accurate, quite peaceful and have a substantial load carrying capacity. Even with bigger shaft diameters and bearing bores, the cross-segment stays the identical. Consequently, these bearings are known as skinny sections.

Open series: KAA/KA/KB/KC/KD/KF/KG

Sealed series: JA / JB / JU / JG

Bearing Detailed Pictures

Thin Wall Four Position Ball Bearing Design KA040AR4 Photo Present

About ZheJiang CZPT Bearing

Guomai Manufacturing unit Introduction

ZheJiang CZPT Bearing Co.,Ltd(hereinafter referred to as Guomai) was proven in 1999, with more than 20 years of bearing investigation and manufacturing encounter. The manufacturing unit handles an location of 16000 mtwo,7000 mof which is manufacturing region and the other is place of work and warehouse. Guomai has large stock for generally used bearing versions and this enables us to deliver the bearing to customers within the shortest time. 

There are complete one hundred sixty staffs, 6 automatic bearing assembly lines,116 CNC equipment and 22 sets of specific inspection instruments. We not only have our very own R&D group but also cooperate with ZheJiang University of Science and Technology, HangZhou Bearing Analysis Institute to create new bearing developing and production engineering.
In addition to conventional bearings, Guomai also provides OEM and OM provider to our respectable customers to meet their individual needs.We introduced sophisticated milling, turning equipment, heat treatment products and bearing tests devices to assure the top quality of the bearings simply because we know “High quality is the lifestyle of Guomai” .Now our best items consist of taper roller bearing, angular get in touch with ball bearing, deep groove bearing ,spherical bearing and cylindrical roller bearing with P5, P4 accuracy quality.

Following so several a long time of building, CZPT has built up an outstanding revenue community in China. Our 2 bearing brands “CVZ” and “Bentu” are well identified and have higher popularity in the industrial equipment and elements discipline. Furthermore, with self-confidence of our bearing high quality, we started out to export our bearings 4 years back. Consumers from Europe, North The united states, Center East, Southeast Asia and Africa have enjoyed the happiness our bearings introduced to them.

Guomai Bearing constantly upholds “Earn-Acquire” spirit and believes in “Details determine achievement” philosophy, and hold bettering bearing top quality in the earlier 20 a long time.  Some series of our bearings have related good quality with SK F, NSK, Timken, NACHI, KOYO, CZPT and other globe CZPT manufacturers but with decrease cost.
Hunting to the future, CZPT will insist on the technology innovation and processing ranges to provide the most appropriate bearing items and services to our buyers.

Bearing internet web page description and designs may be limited, please contact us for more info.

Guomai Highlighted Bearings

Guomai Showcased Bearings

Factors to Pick Us ?

Causes to select CZPT Bearings as your thin section Ball Bearing partner

one. Bearing creating: Guomai has our very own bearing R&D team and adopts Germany engineering. This enables us to offer OEM and ODM services to you.
2. Creation procedure: We strictly adhere to the 5S generation method and obtained ISO9001:2008 high quality administration system certificate. Aside from, we released from abroad planet CZPT brands lathes and heat treatment gear, this allows us to offer large precision bearings with equivalent good quality to world CZPT brand names this sort of as SK F,TIMKEN,NSK,NTN,KOYO,NACHI and so on.
three. Resources: To ensure the substantial quality of bearings, we use higher carbon chrome bearing metal which provides large rigidity, and high resistance to CZPT dress in to make the bearings. Lower carbon chilly rolled steel and lower carbon stainless steel is also utilised according to customers’ demands.
four. Good quality inspection: All bearings will be strictly examined prior to packing. We have CZPT talysurf, hardness meter,clearance detector,vibration(speed) measuring instrument,roundness instrument to assure all bearings are qualified with the requirements.
five. Lubricants: Suitable lubricants are employed to shield the bearings from oxidation or corrosion of elements as a result empower our bearings with more time life time, low sound and greater higher temperature functionality. Variety of lubricants is typically governed by the bearing application. Correct option of higher top quality lubricants could prevent steel to steel contact and carry out warmth away from the bearings.
6. Packing: Guomai bearings pay attention to each detail in the bearing production procedure. We adopt plastic bag, Kraft paper, thick paper box and cartons to protect the bearings from unexpectable injury in the course of the transportation and warehouse inventory.
7. Manufacturing unit direct advertising and marketing: We are the manufacturing facility and not the distributor or buying and selling agent, so we could provide the very same high quality with competitive value.

International Trade Present


Packaging & Shipping

Bearing Packing and Delivery

Guomai Ball Bearings, Roll Jointly with the Planet and You!!!

6918 6919 6920 6921 6922 6924 6926 6928 6930  6918Z 6919Z 6920Z 6921Z 6922Z 6924Z 6926Z 6928Z 6930Z 6918-2RS 6919-2RS 6920-2RS 6921-2RS 6922-2RS 6924-2RS 6926-2RS 6928-2RS 6930-2RS 61924 61926 61928 2RS Z

Kinds of Ball Bearings

There are a lot of types of Ball Bearings accessible on the industry, but which a single is best for your software? Below, we will discuss the distinctions between Angular make contact with, One-row, Substantial-carbon metal, and Ceramic ball bearings. These sorts of bearings also feature races, or a groove in the centre of every single. These races are crucial in retaining the balls contained within the cylinder. They also give a groove-baed pathway.


The ceramic ball utilized in ball bearings has a lot of positive aspects. It is lightweight, operates at reduced temperatures, has decreased skidding, and is resistant to electrolysis. The ball also reveals longer exhaustion life. All of these aspects make the ceramic ball a great choice for numerous apps. But, how do you know if a ceramic ball bearing is appropriate for your software? Read on to learn why ceramic ball bearings are a better selection than steel or stainless metal types.
The ceramic balls are 40% much more dense than steel. This means considerably less centrifugal pressure is created on the bearing, which suppresses heat era. Because of this decreased friction, ceramic bearings are far more successful at transferring power. In comparison to metal bearings, ceramic balls have lengthier daily life spans. Nonetheless, these ceramic balls aren’t as sturdy as metal. Consequently, it is important to recognize the limits of the ceramic ball bearing before getting one particular.
The ceramic components used for ball bearings are resistant to micro-welding. Metals undergo this procedure when imperfections in the surfaces interact. Eventually, this benefits in a brittle ball that minimizes the life of a bearing. In contrast to metals, ceramic resources have a steady behavior at large temperatures and exhibit significantly less thermal growth. This signifies that they can be utilized for programs exactly where lubrication isn’t really an selection.
Although steel balls can very easily absorb contaminants and international particles, the ceramic ball is insensitive to this, and does not demand lubrication. This implies they’re not vulnerable to corrosion and other frequent difficulties. These are just a handful of motives why ceramics are a far better choice. This technology has a broad variety of employs. It’s straightforward to see why it is so popular. If you are hunting for a new bearing for your software, be confident to contact an AST Purposes Engineer. They can evaluate your working situations and prospective failure modes.

Angular make contact with

An Angular Make contact with Ball Bearing (also recognized as an angular-get in touch with bearing) has an axial part that is produced when radial hundreds are utilized. They are typically employed in pairs, triplex sets, or quadruplex sets. These bearings are also available with Tremendous Finished Raceways to minimize sound and boost lubricant distribution. Angular get in touch with ball bearings have numerous design models, such as bore size, outer diameter, and outer ring width.
A one-row angular contact bearing has a radial contact angle that is equal to the angular distance in between the two rings. Double-row angular bearings are designed for two-way thrust functionality. These kinds of bearings can be obtained at Grainger and other on the internet stores. A standard angular speak to bearing will previous up to a million revolutions. They are frequently utilized in industrial angular get in touch with bearings.
Solitary-row angular make contact with ball bearings characteristic a set make contact with angle. These bearings can assist radial and axial loads, but they cannot stand up to high speeds. Single-row angular make contact with ball bearings may also have 1 or two shoulders relieved. Thrust load is a stress put on the bearing when it is set up in an assembly, and it is used to develop an angle amongst the races.
Angular contact ball bearings occur in one and double-row configurations. They vary in the axial load they can carry and the variety of lubrication they use. Angular contact ball bearings are perfect for higher-velocity applications and can accommodate each radial and axial masses. The kind of make contact with and lubrication used in angular-contact ball bearings is dependent on the supposed use for the bearing.

Substantial-carbon metal

Carbon steel is a lower-alloy and large-carbon steel utilised in bearings. This materials offers excellent energy and exhaustion houses for ball and roller bearings. Its mechanical houses are perfect for apps in which the temperature is considerably less than four hundred degrees Fahrenheit. High-carbon metal is also used to make bearing parts for chrome steel bearings. These kinds of steels are softer than chrome metal but provide excellent toughness in apps the place the material is uncovered to serious circumstances.
Hardened carbon metal balls with an AISI 1015 hardness index are utilized in a selection of automotive, commercial, and semi-precision apps. In addition to automotive apps, they are also employed in slides, trolleys, and conveyors. AISI 1015 carbon metal balls are utilised in bearings. They can be acquired in a range of weights and diameters. Carbon metal balls can also be bought in nickel-plated or uncoated versions for ornamental purposes.
In get to figure out whether a ball bearing is made of higher-carbon steel, the material should be tested for its hardness. An common pocket magnet will operate nicely, but an normal exceptional earth magnet just isn’t effective ample to evaluate the hardness. If it attracts the magnet strongly, the steel is metal, although a weak magnet indicates a non-ferrous materials. A hardness check demands a special microhardness examination.
A lower-carbon metal is another alternative. Some miniature bearing manufacturers use a substance with significantly less carbon than AISI 440C. This content is also identified as KS440 or X65Cr13. After getting heat-treated, it develops scaled-down carbides, ensuing in outstanding reduced-sounds qualities and the identical corrosion-resistance as 440C. These supplies are a considerably less high-priced substitute than chrome metal, but they are often considerably less resilient than chrome alloy steel.


Single-row angular speak to ball bearings accommodate axial masses in a single route. These are normally altered towards a next bearing. As opposed to other ball bearings, they are non-separable and contain an upper and reduce shoulder. One-row ball bearings are created of Chromium Metal (GCr15) which is warmth-dealt with to obtain high uniform hardness and outstanding dress in resistance. They are the most commonly utilised variety of bearings in the globe.
Due to the fact of the angular make contact with in between 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 make contact with ball bearings are excellent for large axial loads. However, they have restricted preload capabilities and need to be mounted in pairs. Therefore, they are ideal employed for applications exactly where axial forces need to be distributed.
One-row ball bearings can be pre-lubricated and have steel shields. They are also offered with rubber seals or snap rings on the outdoors edge. They are available with a variety of retainers, like pressed metal cages, plastic shields, and rubber seals. A tapered bore is also available on request. They are perfect for apps the place place is constrained. The 6200 sequence of bearings are particularly nicely suited for electrical motors, dental hand instruments, and optical encoders.
One-row angular make contact with ball bearings are broadly used for axial hundreds. The outer and inner rings have somewhat more substantial radii than the balls. These bearings can accommodate higher speeds and minimal torque. They can also be provided with different grease stages. If grease is required, you can pick a lubricant that has diverse attributes dependent on the software. They are straightforward to install and sustain. Nonetheless, they are not recommended for adjacent mounting.


A plastic ball bearing is a highly flexible element that can be mounted in a variety of components, which includes wheels, pulleys and housings. The outer ring of a plastic bearing is normally the pulley profile. The inner ring can be produced of a shaft or polymer. The integrated design of a plastic ball bearing assists to lessen assembly time and cost. Listed here are some of the advantages of this sort of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have much less magnetic homes than steel balls, producing them the best choice for purposes requiring reduced fat and noise. Glass balls are also lighter than stainless metal balls, creating them the best metallic-free of charge choice. They are also extremely corrosion-resistant, which tends to make them a excellent choice for some programs. In addition to getting light-weight, polymer ball bearings are also peaceful. And due to the fact of their reduced excess weight, plastic ball bearings are ideal for apps that require rapidly velocity.
An additional edge of plastic bearings is their potential to withstand large temperatures. This material is also abrasion and corrosion-resistant. It fulfills Food and drug administration and USDA acceptance specifications. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Aside from being incredibly durable and adaptable, most plastics are also self-lubricating. Widespread plastics include phenolics, acetals, nylon, and extremely higher molecular fat polyethylene. However, plastics have constraints, and these components may be broken by severe temperatures or chilly stream below heavy loads.
Other rewards of plastic ball bearings incorporate their lower density, large hardness and minimal friction coefficient, and ability to endure heat and corrosion. Ceramics are also light-weight, non-conductive, and have outstanding resistance to friction. These goods can face up to temperatures up to 1,800 degrees Fahrenheit. If you might be in the market for a plastic ball bearing, it truly is essential to decide on the proper sort of material. And if you’re looking for a higher-good quality bearing, appear no additional.

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