Product Description

Deep Groove Ball Bearing 6344 6344M

Instruction of Deep Groove Ball Bearings:
Deep groove ball bearings are the most common type of rolling bearings. Their use is very widespread. The raceway grooves on both the inner and outer rings have circular arcs of slightly larger radius than that of the balls. In addition to radial loads, axial loads can be imposed in either direction. Because of their low torque, they are highly suitable for applications where high speeds and low power loss are required.  
In addition to open type bearings, these bearings often have steel shields or rubber seals installed on one or both sides and are prelubricated with grease. Also, snap rings are sometimes used on the periphery. As to cages, pressed steel ones are the most common.
Features of Deep Groove Ball Bearings:
Shield &sol closure: Open ball bearing, Z, ZZ, RS, 2RS, 2RZ
Ball bearings snap ring: N, NR
Tolerance: ABEC-1, ABEC-3, ABEC-5, ABEC-seven
Vibration level: V4, V3, V2, V1
Radial play: C0, C2, C3, C4
Substance: GCR15
Versions of Deep Groove Ball Bearings:

With one or two side rubber seal RS, 2RS
With one or two side metal shields Z and ZZ &lpar2Z)
With a snap ring groove in outer ring N
With a snap ring groove in outer ring and external snap ring NR
More Part Number of Deep Groove Ball Bearings:

About US:
We are the bearing manufacture local in HangZhou City, we are the leading bearing factory in China, and we have 15 years export experience. And our produce equipment are import from Germany, so that our bearings quality level has reached in Europe quality. Our own brand is : ” DEMEK”, also we are usually to help our clients to do the OEM service and customized non-standard bearings. Welcome to send us the inquiry.

Kinds of Ball Bearings

There are several varieties of Ball Bearings offered on the market place, but which one is very best for your software? Here, we will examine the variations between Angular make contact with, Single-row, Substantial-carbon steel, and Ceramic ball bearings. These varieties of bearings also characteristic races, or a groove in the heart of each. These races are crucial in maintaining the balls contained within the cylinder. They also give a groove-baed pathway.


The ceramic ball used in ball bearings has many advantages. It is lightweight, operates at reduce temperatures, has decreased skidding, and is resistant to electrolysis. The ball also exhibits more time fatigue existence. All of these variables make the ceramic ball a great decision for numerous purposes. But, how do you know if a ceramic ball bearing is correct for your software? Read on to uncover why ceramic ball bearings are a much better selection than steel or stainless metal kinds.
The ceramic balls are forty% a lot more dense than steel. This indicates less centrifugal pressure is created on the bearing, which suppresses heat technology. Due to the fact of this diminished friction, ceramic bearings are much more efficient at transferring power. Compared to metal bearings, ceramic balls have lengthier daily life spans. However, these ceramic balls aren’t as robust as steel. For that reason, it is critical to comprehend the constraints of the ceramic ball bearing ahead of buying one particular.
The ceramic supplies utilized for ball bearings are resistant to micro-welding. Metals bear this procedure when imperfections in the surfaces interact. Sooner or later, this results in a brittle ball that lowers the daily life of a bearing. Unlike metals, ceramic components have a stable habits at substantial temperatures and show significantly less thermal enlargement. This signifies that they can be utilised for apps the place lubrication just isn’t an alternative.
While metal balls can effortlessly soak up contaminants and international particles, the ceramic ball is insensitive to this, and does not require lubrication. This means they are not inclined to corrosion and other common issues. These are just a handful of motives why ceramics are a far better choice. This technological innovation has a vast selection of utilizes. It truly is simple to see why it is so well-liked. If you are seeking for a new bearing for your application, be sure to get in touch with an AST Apps Engineer. They can assess your running problems and likely failure modes.

Angular get in touch with

An Angular Make contact with Ball Bearing (also known as an angular-make contact with bearing) has an axial element that is generated when radial loads are utilized. They are normally utilized in pairs, triplex sets, or quadruplex sets. These bearings are also offered with Super Completed Raceways to decrease sounds and boost lubricant distribution. Angular get in touch with ball bearings have various design units, such as bore size, outer diameter, and outer ring width.
A single-row angular speak to bearing has a radial make contact with angle that is equivalent to the angular length among the two rings. Double-row angular bearings are developed for two-way thrust capability. These varieties of bearings can be purchased at Grainger and other on the internet stores. A standard angular get in touch with bearing will final up to a million revolutions. They are typically utilised in industrial angular make contact with bearings.
Single-row angular make contact with ball bearings attribute a established get in touch with angle. These bearings can help radial and axial loads, but they cannot endure large speeds. Solitary-row angular speak to ball bearings could also have a single or two shoulders relieved. Thrust load is a force placed on the bearing when it is installed in an assembly, and it is utilized to generate an angle between the races.
Angular make contact with ball bearings appear in solitary and double-row configurations. They vary in the axial load they can carry and the sort of lubrication they use. Angular speak to ball bearings are perfect for high-speed purposes and can accommodate the two radial and axial loads. The variety of speak to and lubrication utilized in angular-get in touch with ball bearings depends on the supposed use for the bearing.

High-carbon metal

Carbon steel is a minimal-alloy and substantial-carbon steel utilized in bearings. This content offers superior power and tiredness properties for ball and roller bearings. Its mechanical properties are perfect for applications the place the temperature is significantly less than four hundred levels Fahrenheit. Large-carbon steel is also utilised to make bearing elements for chrome steel bearings. These varieties of steels are softer than chrome steel but offer exceptional sturdiness in purposes the place the material is uncovered to severe problems.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a assortment of automotive, professional, and semi-precision programs. In addition to automotive applications, they are also employed in slides, trolleys, and conveyors. AISI 1015 carbon metal balls are utilised in bearings. They can be bought in a selection of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated varieties for attractive reasons.
In buy to establish whether or not a ball bearing is made of substantial-carbon metal, the material have to be analyzed for its hardness. An ordinary pocket magnet will perform nicely, but an ordinary unusual earth magnet isn’t really potent sufficient to evaluate the hardness. If it draws in the magnet strongly, the metallic is steel, whilst a weak magnet implies a non-ferrous materials. A hardness take a look at demands a specific microhardness examination.
A reduced-carbon metal is one more alternative. Some miniature bearing companies use a substance with significantly less carbon than AISI 440C. This substance is also known as KS440 or X65Cr13. Soon after becoming heat-handled, it develops more compact carbides, ensuing in excellent lower-sound characteristics and the exact same corrosion-resistance as 440C. These resources are a considerably less costly option than chrome steel, but they are usually much less tough than chrome alloy metal.


Solitary-row angular speak to ball bearings accommodate axial loads in 1 path. These are usually adjusted from a 2nd bearing. In contrast to other ball bearings, they are non-separable and incorporate an higher and decrease shoulder. One-row ball bearings are created of Chromium Metal (GCr15) which is heat-dealt with to achieve higher uniform hardness and outstanding dress in resistance. They are the most typically employed type of bearings in the world.
Because of the angular contact between the radial aircraft and the raceway, one-row ball bearings transmit radial forces from raceway to raceway. A larger a, the greater the axial load carrying capability of the bearing. One-row angular get in touch with ball bearings are perfect for high axial loads. Nonetheless, they have limited preload capabilities and should be set up in pairs. That’s why, they are ideal utilised for purposes exactly where axial forces should be distributed.
Solitary-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 available with a variety of retainers, which includes pressed metal cages, plastic shields, and rubber seals. A tapered bore is also offered on request. They are perfect for programs exactly where place is restricted. The 6200 collection of bearings are specifically nicely suited for electrical motors, dental hand tools, and optical encoders.
Solitary-row angular get in touch with ball bearings are widely employed for axial masses. The outer and inner rings have somewhat larger radii than the balls. These bearings can accommodate substantial speeds and minimal torque. They can also be supplied with various grease stages. If grease is necessary, you can decide on a lubricant that has diverse characteristics based on the application. They are simple to put in and sustain. Even so, they are not suggested for adjacent mounting.


A plastic ball bearing is a extremely flexible element that can be mounted in a selection of parts, like wheels, pulleys and housings. The outer ring of a plastic bearing is normally the pulley profile. The interior ring can be made of a shaft or polymer. The built-in layout of a plastic ball bearing will help to reduce assembly time and cost. Right here are some of the rewards of this variety of bearing:
First and foremost, plastic balls are lighter than metallic balls. They also have much less magnetic qualities than steel balls, producing them the best alternative for purposes requiring lower bodyweight and sound. Glass balls are also lighter than stainless steel balls, making them the excellent metal-totally free decision. They are also quite corrosion-resistant, which can make them a great decision for some purposes. In addition to currently being lightweight, polymer ball bearings are also tranquil. And simply because of their minimal weight, plastic ball bearings are excellent for apps that demand fast velocity.
One more benefit of plastic bearings is their capability to stand up to large temperatures. This content is also abrasion and corrosion-resistant. It fulfills Fda and USDA acceptance needs. Apart from its abrasion-resistant and corrosion-resistant qualities, these plastics do not transfer heat. Apart from getting really durable and versatile, most plastics are also self-lubricating. Widespread plastics consist of phenolics, acetals, nylon, and extremely higher molecular bodyweight polyethylene. Nevertheless, plastics have limits, and these components may be broken by extreme temperatures or chilly circulation beneath weighty hundreds.
Other positive aspects of plastic ball bearings incorporate their minimal density, substantial hardness and minimal friction coefficient, and potential to withstand 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 happen to be in the marketplace for a plastic ball bearing, it really is essential to select the proper type of substance. And if you might be hunting for a substantial-top quality bearing, look no further.

China Standard Deep Groove Ball Bearing 6344 6344m     near me supplier China Standard Deep Groove Ball Bearing 6344 6344m     near me supplier

Slewing bearings

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