Merchandise Description

25x52x15  6205 2RS Deep groove ball bearings 6201 6202 6204 6205 6206 6207 6208 6209 6210 2RS ZZ sort dental CZPT bearings

1, Industrial Packing: Polybag / plastic tubes + outer carton box + pallet
2, Business packing: Single box + outer carton box + Pallet
3-ten days if in stock
15-30 times if inventory is not adequate, rely on the amount request

Our Goods Lines: 
one. Deep groove ball bearings (68series, 69series, 60series, 62series, 63series, 64series)

2. Tapered roller bearing(320 collection, 322 series, 323 series)

3. Linear bearing

four. Thrust ball bearing(511 collection, 512 series, 513 series)

5. Cylindrical roller bearing(NU10 sequence, NJ2 Series, N3 series, NN series)

six. Needle roller bearing

seven. Angular contact ball bearing(70 series. 72 sequence. seventy three series. seventy four series)

eight. Spherical roller bearing

nine. Thurst roller bearing

10. Spherical ball bearing(230 series, 222series, 223series)

11. Pillow block bearing(UCP series, UCF collection, UCT collection, UCFL series)


Q: Are you buying and selling business or company? 

A: We are manufacturing facility of the bearing in China 

Q: How long is your shipping and delivery time? 

A: Usually it is 5-ten days if the merchandise are in stock. Or it is 15-twenty times if the items are not in inventory, 
It is according to amount of the bearing China. 

Q: Do you offer samples? Is it free of charge or additional? 

A: Yes, we could supply the sample for free of charge charge but do not pay out the cost of freight. 

Q: What is your phrases of payment? 

A: Payment=10000USD, thirty% T/T in progress, 
Harmony just before shippment. 
If you have an additional concern, pls really feel free of charge to make contact with us

Types of Ball Bearings

There are several sorts of Ball Bearings accessible on the industry, but which 1 is best for your software? Below, we will go over the distinctions between Angular contact, Solitary-row, Large-carbon metal, and Ceramic ball bearings. These varieties of bearings also attribute races, or a groove in the center of each. These races are critical in retaining the balls contained inside the cylinder. They also supply a groove-baed pathway.


The ceramic ball utilized in ball bearings has numerous advantages. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits for a longer time fatigue life. All of these variables make the ceramic ball a good option for numerous programs. But, how do you know if a ceramic ball bearing is correct for your software? Read through on to uncover why ceramic ball bearings are a better choice than metal or stainless metal types.
The ceramic balls are 40% a lot more dense than metal. This implies significantly less centrifugal power is produced on the bearing, which suppresses heat technology. Due to the fact of this reduced friction, ceramic bearings are much more efficient at transferring power. When compared to metal bearings, ceramic balls have longer daily life spans. Nonetheless, these ceramic balls aren’t as powerful as steel. For that reason, it is crucial to understand the restrictions of the ceramic ball bearing prior to getting one particular.
The ceramic materials employed for ball bearings are resistant to micro-welding. Metals bear this method when imperfections in the surfaces interact. Eventually, this results in a brittle ball that lowers the daily life of a bearing. As opposed to metals, ceramic components have a secure actions at substantial temperatures and show much less thermal growth. This indicates that they can be utilised for programs where lubrication is not an choice.
Even though metal balls can very easily absorb contaminants and overseas particles, the ceramic ball is insensitive to this, and doesn’t need lubrication. This implies they’re not prone to corrosion and other widespread issues. These are just a number of causes why ceramics are a greater option. This engineering has a wide variety of makes use of. It truly is easy to see why it is so well-liked. If you’re searching for a new bearing for your software, be sure to get in touch with an AST Apps Engineer. They can analyze your working problems and possible failure modes.

Angular speak to

An Angular Contact Ball Bearing (also known as an angular-speak to bearing) has an axial ingredient that is generated when radial masses are used. They are typically utilized in pairs, triplex sets, or quadruplex sets. These bearings are also accessible with Tremendous Finished Raceways to reduce noise and enhance lubricant distribution. Angular speak to ball bearings have different layout models, these kinds of as bore size, outer diameter, and outer ring width.
A single-row angular speak to bearing has a radial contact angle that is equal to the angular distance among the two rings. Double-row angular bearings are created for two-way thrust functionality. These types of bearings can be acquired at Grainger and other on the internet stores. A normal angular speak to bearing will very last up to a million revolutions. They are usually employed in industrial angular contact bearings.
One-row angular contact ball bearings feature a set speak to angle. These bearings can support radial and axial masses, but they cannot face up to high speeds. One-row angular speak to ball bearings might also have one or two shoulders relieved. Thrust load is a force put on the bearing when it is set up in an assembly, and it is employed to generate an angle in between the races.
Angular contact ball bearings arrive in single 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 excellent for substantial-velocity purposes and can accommodate the two radial and axial hundreds. The variety of contact and lubrication utilized in angular-speak to ball bearings relies upon on the meant use for the bearing.

Large-carbon metal

Carbon metal is a low-alloy and large-carbon metal utilized in bearings. This substance provides superior power and fatigue houses for ball and roller bearings. Its mechanical homes are best for purposes exactly where the temperature is much less than 400 degrees Fahrenheit. Substantial-carbon steel is also utilised to make bearing elements for chrome metal bearings. These types of steels are softer than chrome steel but provide exceptional longevity in purposes where the substance is exposed to serious situations.
Hardened carbon metal balls with an AISI 1015 hardness index are utilized in a selection of automotive, industrial, and semi-precision apps. In addition to automotive purposes, they are also employed in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are utilized in bearings. They can be bought in a selection of weights and diameters. Carbon metal balls can also be bought in nickel-plated or uncoated types for ornamental needs.
In purchase to decide no matter whether a ball bearing is produced of higher-carbon metal, the material need to be analyzed for its hardness. An common pocket magnet will perform well, but an regular exceptional earth magnet is not strong adequate to evaluate the hardness. If it attracts the magnet strongly, the metal is metal, although a weak magnet signifies a non-ferrous materials. A hardness test needs a special microhardness take a look at.
A decrease-carbon metal is one more option. Some miniature bearing companies use a content with significantly less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. Right after currently being heat-handled, it develops smaller sized carbides, ensuing in exceptional lower-noise characteristics and the exact same corrosion-resistance as 440C. These materials are a significantly less costly option than chrome metal, but they are frequently less tough than chrome alloy steel.


Single-row angular contact ball bearings accommodate axial loads in one course. These are generally modified towards a second bearing. As opposed to other ball bearings, they are non-separable and contain an upper and lower shoulder. One-row ball bearings are produced of Chromium Metal (GCr15) which is warmth-handled to accomplish higher uniform hardness and excellent dress in resistance. They are the most typically employed kind of bearings in the globe.
Since of the angular contact between the radial aircraft and the raceway, solitary-row ball bearings transmit radial forces from raceway to raceway. A higher a, the better the axial load carrying potential of the bearing. Single-row angular contact ball bearings are perfect for substantial axial masses. However, they have limited preload capabilities and should be put in in pairs. Therefore, they are very best employed for programs in which axial forces should be distributed.
Solitary-row ball bearings can be pre-lubricated and have metal shields. They are also accessible with rubber seals or snap rings on the exterior edge. They are obtainable with numerous retainers, such as pressed steel cages, plastic shields, and rubber seals. A tapered bore is also offered upon ask for. They are ideal for programs in which area is minimal. The 6200 collection of bearings are specifically effectively suited for electrical motors, dental hand resources, and optical encoders.
Solitary-row angular contact ball bearings are extensively used for axial loads. The outer and internal rings have slightly larger radii than the balls. These bearings can accommodate substantial speeds and lower torque. They can also be supplied with diverse grease levels. If grease is necessary, you can pick a lubricant that has various attributes relying on the application. They are effortless to install and keep. However, they are not suggested for adjacent mounting.


A plastic ball bearing is a hugely functional part that can be mounted in a assortment of components, such as wheels, pulleys and housings. The outer ring of a plastic bearing is generally the pulley profile. The internal ring can be made of a shaft or polymer. The integrated design and style of a plastic ball bearing assists to reduce assembly time and cost. Here are some of the benefits of this sort of bearing:
Very first and foremost, plastic balls are lighter than steel balls. They also have significantly less magnetic homes than metal balls, generating them the very best choice for applications requiring minimal fat and noise. Glass balls are also lighter than stainless steel balls, generating them the perfect metal-totally free option. They are also extremely corrosion-resistant, which can make them a excellent decision for some apps. In addition to being lightweight, polymer ball bearings are also quiet. And due to the fact of their reduced excess weight, plastic ball bearings are best for applications that call for fast pace.
Yet another gain of plastic bearings is their potential to withstand large temperatures. This content is also abrasion and corrosion-resistant. It satisfies Food and drug administration and USDA acceptance specifications. Apart from its abrasion-resistant and corrosion-resistant qualities, these plastics do not transfer heat. Apart from being incredibly resilient and versatile, most plastics are also self-lubricating. Typical plastics include phenolics, acetals, nylon, and extremely large molecular weight polyethylene. Nonetheless, plastics have constraints, and these materials might be destroyed by extreme temperatures or chilly flow underneath hefty loads.
Other advantages of plastic ball bearings include their low density, substantial hardness and reduced friction coefficient, and capability to stand up to heat and corrosion. Ceramics are also lightweight, non-conductive, and have exceptional resistance to friction. These goods can withstand temperatures up to 1,800 degrees Fahrenheit. If you might be in the market place for a plastic ball bearing, it really is crucial to select the right kind of content. And if you’re searching for a higher-top quality bearing, appear no further.

China Professional 25X52X15 6205 2RS Deep Groove Ball Bearings 6201 6202 6204 6205 6206 6207 6208 6209 6210 2RS Zz Type Dental CZPT Bearings     near me manufacturer China Professional 25X52X15 6205 2RS Deep Groove Ball Bearings 6201 6202 6204 6205 6206 6207 6208 6209 6210 2RS Zz Type Dental CZPT Bearings     near me manufacturer