Product Description

Merchandise Description


Company Profile


ZheJiang CZPT Bearing Co., Ltd. is affiliated to ZheJiang Kaidi Bearing Group – a specialised manufacturer of varieties of bearings for about 20 several years.

Our company is specialised in making Deep Groove Ball Bearings, Tapered Roller Bearings, Spherical Roller Bearings and Special Bearings in accordance with Customers’ types.Our bearings has been broadly utilized into agricultural equipments, property appliances, electricity equipments, device resources, automotives and engineering equipment, and many others.

Our Merchandise

ZheJiang CZPT Bearing Co., Ltd. is a specialized producer of ball bearings for about twenty a long time. Our major merchandise incorporate:
one, Miniature Bearings: like 608, 609, 625, 626, 693, 695, etc
2, Deep Groove Ball Bearings: like 6000, 6200, 6300, 6800, 6900, 16000 Collection
3,Non-Normal Bearings: U grooved bearings, V grooved bearings, double grooved bearings, bearing rollers with or with out plastic injection. 4,Pillow Block Bearing: UCP/ UCF/ UCFL
five,Tapered Roller Bearings
6,Linear Movement Bearings

Processing Procedure

we have manufacture bearing more than 20 many years, and can produce various design of bearings. Our manufacturing facility commences generation from uncooked supplies. We have a 20-individual R&D staff and launch a new product every 5 days. We have more than 600 folks to make bearing crew, we create items, the price tag is the most aggressive in China. 


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ZheJiang CZPT Bearing Co., Ltd.


Varieties of Ball Bearings

There are a lot of sorts of Ball Bearings accessible on the market, but which one particular is ideal for your application? Below, we will talk about the variances in between Angular speak to, Single-row, Higher-carbon steel, and Ceramic ball bearings. These kinds of bearings also feature races, or a groove in the middle of each. These races are critical in maintaining the balls contained in the cylinder. They also provide 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 lowered skidding, and is resistant to electrolysis. The ball also reveals lengthier fatigue daily life. All of these aspects make the ceramic ball a good option for numerous applications. But, how do you know if a ceramic ball bearing is proper for your application? Read on to learn why ceramic ball bearings are a better selection than metal or stainless steel kinds.
The ceramic balls are 40% more dense than metal. This implies less centrifugal pressure is created on the bearing, which suppresses heat technology. Because of this diminished friction, ceramic bearings are a lot more successful at transferring power. When compared to metal bearings, ceramic balls have for a longer time existence spans. Even so, these ceramic balls aren’t as powerful as steel. Therefore, it is critical to comprehend the limits of the ceramic ball bearing prior to getting a single.
The ceramic components employed for ball bearings are resistant to micro-welding. Metals undergo this procedure when imperfections in the surfaces interact. Sooner or later, this results in a brittle ball that reduces the existence of a bearing. Unlike metals, ceramic supplies have a stable behavior at high temperatures and show much less thermal expansion. This signifies that they can be used for purposes in which lubrication isn’t really an choice.
Even though steel balls can effortlessly soak up contaminants and international particles, the ceramic ball is insensitive to this, and isn’t going to call for lubrication. This means they’re not susceptible to corrosion and other widespread troubles. These are just a number of motives why ceramics are a better option. This technologies has a wide assortment of employs. It’s straightforward to see why it is so well-liked. If you happen to be hunting for a new bearing for your application, be positive to get in touch with an AST Apps Engineer. They can analyze your operating problems and potential failure modes.

Angular get in touch with

An Angular Speak to Ball Bearing (also known as an angular-contact bearing) has an axial component that is generated when radial hundreds are used. They are normally employed in pairs, triplex sets, or quadruplex sets. These bearings are also obtainable with Super Concluded Raceways to reduce noise and improve lubricant distribution. Angular make contact with ball bearings have a variety of design models, these kinds of as bore measurement, outer diameter, and outer ring width.
A single-row angular speak to bearing has a radial make contact with angle that is equal to the angular distance between the two rings. Double-row angular bearings are made for two-way thrust capability. These kinds of bearings can be purchased at Grainger and other online retailers. A typical angular get in touch with bearing will final up to a million revolutions. They are usually employed in industrial angular contact bearings.
Solitary-row angular get in touch with ball bearings function a established speak to angle. These bearings can assist radial and axial masses, but they are unable to withstand high speeds. One-row angular get in touch with ball bearings may also have one or two shoulders relieved. Thrust load is a force placed on the bearing when it is set up in an assembly, and it is employed to create an angle in between the races.
Angular contact ball bearings occur in single and double-row configurations. They vary in the axial load they can have and the kind of lubrication they use. Angular speak to ball bearings are ideal for high-pace purposes and can accommodate each radial and axial hundreds. The variety of speak to and lubrication utilised in angular-speak to ball bearings depends on the intended use for the bearing.

Higher-carbon metal

Carbon metal is a low-alloy and higher-carbon metal used in bearings. This materials provides exceptional toughness and tiredness qualities for ball and roller bearings. Its mechanical properties are ideal for purposes the place the temperature is significantly less than four hundred degrees Fahrenheit. Large-carbon steel is also utilized to make bearing parts for chrome steel bearings. These types of steels are softer than chrome steel but provide exceptional toughness in apps where the materials is uncovered to extreme problems.
Hardened carbon steel balls with an AISI 1015 hardness index are employed in a range of automotive, industrial, and semi-precision applications. In addition to automotive purposes, they are also utilized in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are utilized in bearings. They can be purchased in a variety of weights and diameters. Carbon metal balls can also be bought in nickel-plated or uncoated versions for attractive functions.
In buy to figure out whether a ball bearing is created of higher-carbon metal, the content have to be examined for its hardness. An ordinary pocket magnet will function effectively, but an normal unusual earth magnet isn’t really strong sufficient to evaluate the hardness. If it appeals to the magnet strongly, the steel is metal, even though a weak magnet signifies a non-ferrous material. A hardness take a look at calls for a specific microhardness test.
A lower-carbon metal is another choice. Some miniature bearing makers use a content with much less carbon than AISI 440C. This materials is also known as KS440 or X65Cr13. After getting warmth-dealt with, it develops smaller carbides, ensuing in outstanding minimal-noise qualities and the very same corrosion-resistance as 440C. These resources are a significantly less high-priced different than chrome metal, but they are typically significantly less sturdy than chrome alloy metal.


One-row angular get in touch with ball bearings accommodate axial hundreds in a single direction. These are normally adjusted from a next bearing. Not like other ball bearings, they are non-separable and include an higher and reduced shoulder. Solitary-row ball bearings are created of Chromium Metal (GCr15) which is heat-dealt with to obtain substantial uniform hardness and excellent use resistance. They are the most typically employed kind of bearings in the planet.
Simply because of the angular make contact with between the radial airplane and the raceway, solitary-row ball bearings transmit radial forces from raceway to raceway. A increased a, the higher the axial load carrying potential of the bearing. One-row angular speak to ball bearings are ideal for higher axial masses. Even so, they have restricted preload capabilities and have to be set up in pairs. Consequently, they are best employed for apps where axial forces must be dispersed.
Single-row ball bearings can be pre-lubricated and have metal shields. They are also offered with rubber seals or snap rings on the exterior edge. They are accessible with a variety of retainers, like pressed metal cages, plastic shields, and rubber seals. A tapered bore is also offered upon ask for. They are perfect for applications in which place is limited. The 6200 sequence of bearings are particularly effectively suited for electrical motors, dental hand instruments, and optical encoders.
Single-row angular get in touch with ball bearings are commonly employed for axial hundreds. The outer and internal rings have marginally more substantial radii than the balls. These bearings can accommodate higher speeds and lower torque. They can also be supplied with various grease levels. If grease is essential, you can select a lubricant that has various characteristics depending on the software. They are straightforward to install and keep. Nonetheless, they are not advisable for adjacent mounting.


A plastic ball bearing is a highly versatile ingredient that can be mounted in a range of factors, like wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The inner ring can be made of a shaft or polymer. The built-in style of a plastic ball bearing will help to reduce assembly time and price. Below are some of the positive aspects of this variety of bearing:
Very first and foremost, plastic balls are lighter than metallic balls. They also have considerably less magnetic homes than steel balls, producing them the ideal selection for applications requiring reduced bodyweight and noise. Glass balls are also lighter than stainless metal balls, producing them the excellent metallic-cost-free decision. They are also extremely corrosion-resistant, which can make them a great selection for some apps. In addition to becoming light-weight, polymer ball bearings are also silent. And because of their minimal weight, plastic ball bearings are excellent for apps that demand fast pace.
Another gain of plastic bearings is their capability 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 houses, these plastics do not transfer heat. Apart from being really sturdy and adaptable, most plastics are also self-lubricating. Common plastics consist of phenolics, acetals, nylon, and extremely higher molecular bodyweight polyethylene. However, plastics have constraints, and these resources may possibly be broken by severe temperatures or cold flow below hefty masses.
Other positive aspects of plastic ball bearings incorporate their reduced density, large hardness and lower friction coefficient, and capacity to stand up to warmth and corrosion. Ceramics are also lightweight, non-conductive, and have superior resistance to friction. These products can face up to temperatures up to 1,800 degrees Fahrenheit. If you are in the market place for a plastic ball bearing, it truly is crucial to select the right sort of materials. And if you’re searching for a substantial-top quality bearing, appear no additional.

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