Item Description

ZYS precision ball bearing angular speak to bearing 3312 with double row type 

Item Description

Double row angular get in touch with ball bearings can face up to massive radial and axial bidirectional merged hundreds and second loads (largely radial masses), which can restrict the axial displacement of the shaft or shell, with a contact angle of 30°. Double row angular contact ball bearings mostly use metal stamping cage.

Software: compared with one row bearing, double row angular contact ball bearing has greater rigidity and can bear overturning moment. The bearing is non separating type. It is specifically ideal for purposes with high rigidity specifications. It is broadly employed in the entrance wheel hub of cars (some types also use double row tapered roller bearings of the identical dimensions).

Attributes: the tilting between the inner and outer rings of double row angular speak to ball bearings is constrained. The allowable tilting angle relies upon on the inside clearance, bearing measurement, internal layout and the drive and second performing on the bearing, and the maximum allowable tilting angle shall ensure that there is no abnormal added pressure in the bearing.

If there is an inclination angle in between the inner and outer rings of the bearing, the services existence of the bearing will be influenced, and the working precision of the bearing will be lowered and the managing noise will be enhanced. Normally, double row angular speak to ball bearing adopts nylon cage or brass reliable cage. For the duration of the set up of double row angular make contact with ball bearing, it must be mentioned that despite the fact that the bearing can bear two-way axial load, if there is a ball mounting hole on 1 facet, it must be noted that the primary axial load should not move via the groove edge of the notched aspect. When utilizing the bearing, pay focus to make the aspect raceway without having the ball loading notch bear the primary load.

The double row angular make contact with ball bearing can bear big blended radial and axial loads and second loads, which are mostly radial hundreds. It can restrict the axial displacement of the shaft or shell in equally instructions, and the get in touch with angle is thirty levels.

Merchandise Parameters

Product list of double row angular get in touch with ball bearings:

Thorough Pictures



Company Profile

About ZYS

HangZhou Bearing Analysis Institute Co., Ltd. is a CZPT business specializing in the improvement of “High-stop, specific, sophisticated, distinctive, Non-common” bearing items for the important units in numerous fields of national economic design. Its predecessor, HangZhou Bearing Analysis Institute, was proven in 1958. It is the only condition-stage complete research institute in China’s bearing business. In 1999, it entered China Nationwide CZPT Business Group Co., Ltd. and remodeled into a science and technologies business.

ZYS Precision Bearing High quality Management and Assurance:

Austrian AICHELIN warmth therapy tools and lengthy-life warmth remedy approach offer a sturdy guarantee for the constant and reliable operation of bearings.

ZYS Manufacturing Capacity



ZYS bearing products


Packaging & Delivery



Q: Are you trading business or maker?

A: CZPT is bearing company, the only very first-class complete analysis institute in China bearing sector.

Q: How do you handle good quality of bearing?
A: CZPT has proven high quality management techniques for every single sort of bearing and spindle. All merchandise and companies handed ISO9001-2008 Good quality Certification.

Q: What is the MOQ?
A: It is dependent on the bearing kind. You can send inquiry or send e-mail  for a lot more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Acknowledge style bundle when OEM.

Q: How lengthy is the delivery time?
A: It will get about 10 to forty days, relies upon on the model and quantity.

Q: How about the shipping and delivery?
A: We can prepare the cargo or you may possibly have the forwarder.

Q: Is sample avaiable?
A: Of course, sample buy is appropriate.

Q: Can we use our own Brand or design on bearings?
A: Of course. OEM is suitable. We can layout the bearing with your demands and use your own Brand and package style.

Kinds of Ball Bearings

There are several varieties of Ball Bearings offered on the market, but which a single is greatest for your application? Below, we will talk about the distinctions between Angular get in touch with, Solitary-row, Large-carbon steel, and Ceramic ball bearings. These types of bearings also characteristic races, or a groove in the heart of each. These races are important in trying to keep the balls contained within the cylinder. They also provide a groove-baed pathway.


The ceramic ball utilised in ball bearings has a lot of positive aspects. It is light-weight, operates at reduce temperatures, has lowered skidding, and is resistant to electrolysis. The ball also reveals lengthier fatigue life. All of these variables make the ceramic ball a good selection for several programs. But, how do you know if a ceramic ball bearing is correct for your application? Read on to find out why ceramic ball bearings are a better selection than steel or stainless metal types.
The ceramic balls are 40% far more dense than metal. This implies less centrifugal drive is generated on the bearing, which suppresses warmth technology. Simply because of this decreased friction, ceramic bearings are more productive at transferring vitality. In comparison to steel bearings, ceramic balls have lengthier lifestyle spans. Nonetheless, these ceramic balls aren’t as sturdy as steel. Consequently, it is critical to comprehend the constraints of the ceramic ball bearing just before getting one.
The ceramic components utilized for ball bearings are resistant to micro-welding. Metals endure this procedure when imperfections in the surfaces interact. Eventually, this outcomes in a brittle ball that decreases the lifestyle of a bearing. Not like metals, ceramic components have a secure behavior at large temperatures and show much less thermal enlargement. This implies that they can be utilized for purposes where lubrication isn’t really an option.
While steel balls can very easily soak up contaminants and international particles, the ceramic ball is insensitive to this, and does not call for lubrication. This indicates they are not prone to corrosion and other frequent troubles. These are just a few reasons why ceramics are a better selection. This technological innovation has a extensive range of uses. It really is easy to see why it is so popular. If you are searching for a new bearing for your application, be sure to speak to an AST Apps Engineer. They can examine your operating problems and possible failure modes.

Angular contact

An Angular Get in touch with Ball Bearing (also acknowledged as an angular-get in touch with bearing) has an axial part that is generated when radial loads are applied. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also obtainable with Tremendous Finished Raceways to minimize sounds and increase lubricant distribution. Angular speak to ball bearings have different layout models, this sort of as bore dimension, outer diameter, and outer ring width.
A one-row angular speak to bearing has a radial make contact with angle that is equivalent to the angular length between the two rings. Double-row angular bearings are designed for two-way thrust capability. These varieties of bearings can be obtained at Grainger and other on-line suppliers. A common angular speak to bearing will last up to a million revolutions. They are usually utilised in industrial angular contact bearings.
Solitary-row angular make contact with ball bearings attribute a established speak to angle. These bearings can support radial and axial masses, but they can’t face up to high speeds. Solitary-row angular make contact with ball bearings might also have 1 or two shoulders relieved. Thrust load is a strain positioned on the bearing when it is installed in an assembly, and it is utilized to create an angle among the races.
Angular make contact with ball bearings arrive in solitary and double-row configurations. They differ in the axial load they can carry and the kind of lubrication they use. Angular speak to ball bearings are ideal for high-speed applications and can accommodate the two radial and axial loads. The type of speak to and lubrication utilized in angular-speak to ball bearings is dependent on the supposed use for the bearing.

Large-carbon metal

Carbon steel is a lower-alloy and large-carbon metal employed in bearings. This material supplies outstanding toughness and exhaustion houses for ball and roller bearings. Its mechanical houses are best for apps exactly where the temperature is much less than four hundred levels Fahrenheit. Higher-carbon steel is also utilised to make bearing elements for chrome metal bearings. These kinds of steels are softer than chrome steel but offer exceptional toughness in applications in which the material is exposed to significant circumstances.
Hardened carbon metal balls with an AISI 1015 hardness index are employed in a selection of automotive, business, 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 bought in a range of weights and diameters. Carbon metal balls can also be purchased in nickel-plated or uncoated varieties for attractive purposes.
In buy to determine regardless of whether a ball bearing is created of large-carbon steel, the material must be analyzed for its hardness. An ordinary pocket magnet will perform well, but an ordinary uncommon earth magnet isn’t strong sufficient to measure the hardness. If it appeals to the magnet strongly, the steel is steel, even though a weak magnet suggests a non-ferrous materials. A hardness examination demands a particular microhardness take a look at.
A decrease-carbon metal is an additional option. Some miniature bearing manufacturers use a materials with much less carbon than AISI 440C. This materials is also identified as KS440 or X65Cr13. After getting warmth-treated, it develops scaled-down carbides, resulting in excellent reduced-sounds characteristics and the very same corrosion-resistance as 440C. These supplies are a significantly less expensive alternative than chrome metal, but they are frequently significantly less tough than chrome alloy steel.


Solitary-row angular get in touch with ball bearings accommodate axial masses in 1 route. These are typically modified against a next bearing. As opposed to other ball bearings, they are non-separable and incorporate an upper and reduce shoulder. One-row ball bearings are created of Chromium Steel (GCr15) which is heat-treated to accomplish large uniform hardness and outstanding dress in resistance. They are the most commonly employed kind of bearings in the world.
Since of the angular speak to between the radial aircraft and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A larger a, the increased the axial load carrying capacity of the bearing. Single-row angular speak to ball bearings are ideal for higher axial masses. However, they have constrained preload capabilities and must be set up in pairs. Consequently, they are very best used for purposes where axial forces need to be distributed.
Solitary-row ball bearings can be pre-lubricated and have steel shields. They are also obtainable with rubber seals or snap rings on the exterior edge. They are accessible with different retainers, including pressed metal cages, plastic shields, and rubber seals. A tapered bore is also available on ask for. They are best for programs in which area is minimal. The 6200 collection of bearings are especially effectively suited for electrical motors, dental hand tools, and optical encoders.
One-row angular make contact with ball bearings are widely utilized for axial loads. The outer and inner rings have somewhat larger radii than the balls. These bearings can accommodate high speeds and minimal torque. They can also be supplied with different grease ranges. If grease is needed, you can decide on a lubricant that has various characteristics based on the application. They are effortless to put in and keep. However, they are not suggested for adjacent mounting.


A plastic ball bearing is a hugely adaptable part that can be mounted in a assortment of parts, such as wheels, pulleys and housings. The outer ring of a plastic bearing is typically the pulley profile. The interior ring can be manufactured of a shaft or polymer. The integrated design of a plastic ball bearing aids to decrease assembly time and expense. Below are some of the advantages of this sort of bearing:
1st and foremost, plastic balls are lighter than metal balls. They also have much less magnetic qualities than metal balls, generating them the ideal alternative for applications demanding low fat and sounds. Glass balls are also lighter than stainless metal balls, generating them the perfect steel-free choice. They are also very corrosion-resistant, which makes them a wonderful selection for some apps. In addition to getting light-weight, polymer ball bearings are also peaceful. And since of their minimal excess weight, plastic ball bearings are ideal for applications that require fast pace.
Yet another advantage of plastic bearings is their capability to endure higher temperatures. This substance is also abrasion and corrosion-resistant. It fulfills Fda and USDA acceptance demands. Aside from its abrasion-resistant and corrosion-resistant houses, these plastics do not transfer warmth. Aside from becoming really durable and versatile, most plastics are also self-lubricating. Typical plastics contain phenolics, acetals, nylon, and ultra substantial molecular bodyweight polyethylene. Nevertheless, plastics have constraints, and these resources may possibly be ruined by severe temperatures or chilly circulation beneath large hundreds.
Other advantages of plastic ball bearings consist of their reduced density, higher hardness and lower friction coefficient, and ability to face up to warmth and corrosion. Ceramics are also light-weight, non-conductive, and have superior resistance to friction. These merchandise can withstand temperatures up to 1,800 degrees Fahrenheit. If you’re in the market place for a plastic ball bearing, it is crucial to choose the right variety of substance. And if you’re searching for a large-top quality bearing, search no additional.

China Professional CZPT Precision Ball Bearing Angular Contact Bearing 3312 with Double Row Type     with Free Design CustomChina Professional CZPT Precision Ball Bearing Angular Contact Bearing 3312 with Double Row Type     with Free Design Custom