China OEM Made in China Bearing 6864zz High Quality Ball Bearing Single Row Stainless Steel Bearing wholesaler

Product Description



Merchandise Description

Deep groove ball bearing/radical ball bearing
The bearing function as lower sounds, higher precision, prolonged running time, no abnormal audio, and no interference.
They are broadly utilized on electrial appliances, miniature motors, electric powered enthusiasts, bikes, cars, health-related instruments, athletics devices, textile and agricultural machineries and so forth..

Solution Parameters

Product No.: 6864ZZ, 6864RS
Bearing measurement: 320*four hundred*38mm
Substance: GCr15/52100/100Cr6

Business Profile

HangZhou CZPT Bearing Co.,Ltd was established in 2000. It is situated in China’s very small bearing generation foundation, the beautiful city of HangZhou, HangZhou. We are an worldwide regular production company. We focus in creating miniature, little bearings, skinny-walled bearings, flange bearings and all kinds of deep groove ball bearings these kinds of as MR, MF. Our business has sturdy generation capacity, outstanding creation products, superior generation technology and perfect good quality inspection program. We adopt a standardized administration mode. Our organization has 4 million sets of bearings in inventory. You can get the bearings you need in a couple of days.


Q: Are you trading business or producer ?
A: We are factory and investing business. 
Q: How long is your delivery time?
A: Within 7 times with stock.  15-30 days for 1 container to OEM brand name pursuing your request
Q: Do you give samples ? is it free or added ?
A: Yes, we could supply the sample for totally free cost, freight expense need to be charged.
Q: What is your payment phrase?
A: We settle for 30% TT CZPT ,70% stability against the monthly bill loading copy. Also one hundred% L/C is ok.

Sorts of Ball Bearings

There are several sorts of Ball Bearings offered on the industry, but which one particular is best for your software? Below, we will examine the distinctions in between Angular speak to, Solitary-row, Higher-carbon metal, and Ceramic ball bearings. These varieties of bearings also characteristic races, or a groove in the center of each and every. These races are important in maintaining the balls contained inside of the cylinder. They also offer a groove-baed pathway.


The ceramic ball utilized in ball bearings has a lot of benefits. It is light-weight, operates at reduced temperatures, has decreased skidding, and is resistant to electrolysis. The ball also exhibits for a longer time exhaustion life. All of these variables make the ceramic ball a excellent decision for several programs. But, how do you know if a ceramic ball bearing is correct for your application? Go through on to uncover why ceramic ball bearings are a much better choice than steel or stainless steel types.
The ceramic balls are forty% a lot more dense than steel. This indicates much less centrifugal power is generated on the bearing, which suppresses heat technology. Simply because of this diminished friction, ceramic bearings are a lot more productive at transferring power. Compared to steel bearings, ceramic balls have lengthier lifestyle spans. However, these ceramic balls aren’t as powerful as steel. Consequently, it is important to comprehend the constraints of the ceramic ball bearing ahead of purchasing 1.
The ceramic components utilised for ball bearings are resistant to micro-welding. Metals bear this process when imperfections in the surfaces interact. At some point, this results in a brittle ball that minimizes the lifestyle of a bearing. In contrast to metals, ceramic components have a stable habits at higher temperatures and exhibit significantly less thermal growth. This implies that they can be used for purposes exactly where lubrication just isn’t an choice.
While metal balls can easily take up contaminants and international particles, the ceramic ball is insensitive to this, and will not need lubrication. This indicates they’re not susceptible to corrosion and other widespread troubles. These are just a number of factors why ceramics are a far better selection. This engineering has a broad variety of utilizes. It truly is effortless to see why it is so common. If you might be searching for a new bearing for your software, be sure to speak to an AST Programs Engineer. They can examine your working conditions and prospective failure modes.

Angular speak to

An Angular Speak to Ball Bearing (also recognized as an angular-get in touch with bearing) has an axial part that is produced when radial masses are applied. They are normally employed in pairs, triplex sets, or quadruplex sets. These bearings are also available with Super Concluded Raceways to reduce noise and improve lubricant distribution. Angular get in touch with ball bearings have various style models, this kind of as bore size, outer diameter, and outer ring width.
A single-row angular speak to bearing has a radial speak to angle that is equivalent to the angular distance amongst the two rings. Double-row angular bearings are created for two-way thrust capability. These types of bearings can be purchased at Grainger and other on-line stores. A common angular get in touch with bearing will very last up to a million revolutions. They are frequently employed in industrial angular make contact with bearings.
Single-row angular get in touch with ball bearings feature a established contact angle. These bearings can assist radial and axial masses, but they can’t face up to higher speeds. Solitary-row angular speak to ball bearings may possibly also have a single or two shoulders relieved. Thrust load is a force positioned on the bearing when it is mounted in an assembly, and it is utilized to produce an angle among the races.
Angular make contact with ball bearings come in single and double-row configurations. They vary in the axial load they can carry and the type of lubrication they use. Angular speak to ball bearings are excellent for large-pace applications and can accommodate the two radial and axial masses. The type of contact and lubrication utilised in angular-contact ball bearings relies upon on the supposed use for the bearing.

High-carbon steel

Carbon metal is a lower-alloy and high-carbon metal utilized in bearings. This substance offers superior toughness and fatigue qualities for ball and roller bearings. Its mechanical houses are best for purposes in which the temperature is less than 400 levels Fahrenheit. Large-carbon metal is also used to make bearing parts for chrome metal bearings. These sorts of steels are softer than chrome steel but provide exceptional durability in purposes exactly where the content is exposed to significant situations.
Hardened carbon metal balls with an AISI 1015 hardness index are employed in a assortment of automotive, commercial, and semi-precision applications. In addition to automotive applications, they are also utilized in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are utilized in bearings. They can be obtained in a range of weights and diameters. Carbon metal balls can also be acquired in nickel-plated or uncoated varieties for ornamental needs.
In get to figure out whether or not a ball bearing is produced of higher-carbon steel, the substance must be analyzed for its hardness. An common pocket magnet will operate properly, but an ordinary uncommon earth magnet just isn’t strong ample to measure the hardness. If it attracts the magnet strongly, the metallic is steel, while a weak magnet indicates a non-ferrous material. A hardness take a look at calls for a special microhardness examination.
A reduce-carbon metal is one more alternative. Some miniature bearing makers use a substance with significantly less carbon than AISI 440C. This materials is also acknowledged as KS440 or X65Cr13. Soon after becoming warmth-taken care of, it develops scaled-down carbides, resulting in excellent low-sound attributes and the same corrosion-resistance as 440C. These materials are a significantly less costly alternative than chrome steel, but they are frequently less resilient than chrome alloy steel.


Solitary-row angular make contact with ball bearings accommodate axial masses in one particular course. These are typically modified from a second bearing. In contrast to other ball bearings, they are non-separable and incorporate an upper and lower shoulder. Single-row ball bearings are produced of Chromium Steel (GCr15) which is warmth-dealt with to obtain high uniform hardness and outstanding dress in resistance. They are the most typically utilised sort of bearings in the globe.
Since of the angular get in touch with between the radial plane and the raceway, solitary-row ball bearings transmit radial forces from raceway to raceway. A greater a, the increased the axial load carrying capability of the bearing. Solitary-row angular make contact with ball bearings are ideal for high axial masses. Even so, they have minimal preload capabilities and should be installed in pairs. Hence, they are ideal used for programs in which axial forces must be dispersed.
Single-row ball bearings can be pre-lubricated and have metal shields. They are also obtainable with rubber seals or snap rings on the outside the house edge. They are offered with numerous retainers, including pressed steel cages, plastic shields, and rubber seals. A tapered bore is also accessible upon ask for. They are excellent for purposes exactly where room is minimal. The 6200 series of bearings are especially well suited for electrical motors, dental hand equipment, and optical encoders.
One-row angular contact ball bearings are broadly utilized for axial loads. The outer and inner rings have marginally more substantial radii than the balls. These bearings can accommodate substantial speeds and minimal torque. They can also be equipped with diverse grease levels. If grease is needed, you can pick a lubricant that has different characteristics depending on the application. They are easy to set up and preserve. Nonetheless, they are not recommended for adjacent mounting.


A plastic ball bearing is a highly versatile component that can be mounted in a selection of components, including wheels, pulleys and housings. The outer ring of a plastic bearing is generally the pulley profile. The inner ring can be made of a shaft or polymer. The built-in layout of a plastic ball bearing assists to reduce assembly time and expense. Below are some of the rewards of this type of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have less magnetic houses than metal balls, producing them the very best option for apps requiring lower excess weight and sound. Glass balls are also lighter than stainless metal balls, making them the ideal steel-free of charge decision. They are also extremely corrosion-resistant, which can make them a great decision for some applications. In addition to becoming light-weight, polymer ball bearings are also tranquil. And since of their reduced fat, plastic ball bearings are perfect for apps that demand rapidly speed.
One more benefit of plastic bearings is their ability to endure large temperatures. This substance is also abrasion and corrosion-resistant. It satisfies Fda and USDA acceptance demands. Apart 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. Typical plastics include phenolics, acetals, nylon, and ultra substantial molecular weight polyethylene. Even so, plastics have limitations, and these components may be destroyed by intense temperatures or chilly flow below hefty hundreds.
Other positive aspects of plastic ball bearings include their lower density, large hardness and reduced friction coefficient, and capacity to withstand warmth and corrosion. Ceramics are also lightweight, non-conductive, and have outstanding resistance to friction. These merchandise can face up to temperatures up to 1,800 levels Fahrenheit. If you might be in the industry for a plastic ball bearing, it really is crucial to decide on the proper type of content. And if you might be searching for a substantial-good quality bearing, search no additional.

China OEM Made in China Bearing 6864zz High Quality Ball Bearing Single Row Stainless Steel Bearing     wholesaler China OEM Made in China Bearing 6864zz High Quality Ball Bearing Single Row Stainless Steel Bearing     wholesaler