China Standard CZPT Double Row Angular Contact Ball Bearings 3214 with Dimension Range 12mm-150mm with high quality

Product Description

ZYS double row angular contact ball bearings 3214 with dimension range 12mm-150mm


Merchandise Description

Double row angular contact ball bearings can endure large radial and axial bidirectional mixed hundreds and moment masses (mostly radial masses), which can restrict the axial displacement of the shaft or shell, with a get in touch with angle of 30°. Double row angular contact ball bearings primarily use metal stamping cage.

Application: when compared with one row bearing, double row angular contact ball bearing has greater rigidity and can bear overturning instant. The bearing is non separating variety. It is especially suitable for apps with high rigidity needs. It is widely utilized in the front wheel hub of autos (some models also use double row tapered roller bearings of the same measurement).

Features: the tilting amongst the internal and outer rings of double row angular contact ball bearings is limited. The allowable tilting angle is dependent on the interior clearance, bearing dimensions, interior design and style and the power and second acting on the bearing, and the highest allowable tilting angle shall ensure that there is no excessive further tension in the bearing.

If there is an inclination angle amongst the internal and outer rings of the bearing, the services lifestyle of the bearing will be influenced, and the running precision of the bearing will be diminished and the working sounds will be enhanced. Normally, double row angular speak to ball bearing adopts nylon cage or brass reliable cage. During the installation of double row angular make contact with ball bearing, it must be noted that though the bearing can bear two-way axial load, if there is a ball mounting gap on 1 aspect, it ought to be observed that the primary axial load must not go by means of the groove edge of the notched facet. When utilizing the bearing, pay out consideration to make the aspect raceway with out the ball loading notch bear the major load.

The double row angular speak to ball bearing can bear massive blended radial and axial masses and instant hundreds, which are mainly radial masses. It can limit the axial displacement of the shaft or shell in the two instructions, and the contact angle is thirty degrees.

Item Parameters

Model record of double row angular get in touch with ball bearings:

In depth Photos



Firm Profile

About ZYS

HangZhou Bearing Research Institute Co., Ltd. is a CZPT enterprise specializing in the advancement of “Substantial-finish, exact, sophisticated, exclusive, Non-regular” bearing merchandise for the key models in a variety of fields of nationwide financial design. Its predecessor, HangZhou Bearing Study Institute, was recognized in 1958. It is the only point out-level thorough analysis institute in China’s bearing industry. In 1999, it entered China Nationwide CZPT Industry Team Co., Ltd. and transformed into a science and technology organization.

ZYS Precision Bearing Good quality Handle and Assurance:

Austrian AICHELIN heat therapy equipment and lengthy-existence heat treatment method offer a sturdy promise for the ongoing and dependable procedure of bearings.

ZYS Producing Ability



ZYS bearing goods


Packaging & Transport



Q: Are you trading firm or producer?

A: CZPT is bearing maker, the only first-class comprehensive research institute in China bearing business.

Q: How do you control top quality of bearing?
A: CZPT has recognized top quality management programs for every type of bearing and spindle. All goods and providers handed ISO9001-2008 Good quality Certification.

Q: What is the MOQ?
A: It is dependent on the bearing variety. You can send out inquiry or send e-mail  for much more details.

Q: How about the deal?
A: Industrial packing in standard situation (Plastic tube+ carton+ pallet). Settle for layout deal when OEM.

Q: How lengthy is the delivery time?
A: It will consider about ten to forty days, depends on the product and quantity.

Q: How about the shipping and delivery?
A: We can set up the shipment or you could have the forwarder.

Q: Is sample avaiable?
A: Sure, sample get is satisfactory.

Q: Can we use our very own Logo or design and style on bearings?
A: Indeed. OEM is suitable. We can layout the bearing with your requirements and use your possess Brand and deal design and style.

Supplies Utilized in Bearings

If you might be not common with the kinds of bearings, you could be fascinated in understanding a lot more about the components employed to manufacture them. Here is a appear at what every kind of bearing is manufactured of, how it really is used, and how significantly they expense. To locate the correct bearing for your software, it truly is crucial to pick a high quality lubricant. The materials utilized in bearings are identified by their sort and applications. Picking the correct lubricant will lengthen its lifestyle, and protect your machine’s areas from harm and premature wear.

Supplies utilized in bearings

Bearings are manufactured from a range of components. Stainless metal is a common content used for the elements of bearings. It has a higher content material of chromium and nickel. When uncovered to oxygen, chromium reacts with it to form chromium oxide, which supplies a passive movie. For greater temperatures, teflon and Viton are also used. These materials offer you exceptional corrosion resistance and are typically desired by manufacturers for their special homes.
Stainless steel is yet another material utilized in bearings. AISI 440C is a substantial-carbon stainless steel generally used in rolling-contact bearings. It is widely utilized in corrosive environments, specifically in apps where corrosion resistance is far more important than load capability. It can also be heat-handled and hardened to 60 HRC, but has lower tiredness daily life than SAE 52100. Stainless metal bearings could carry a 20-forty% value premium, but their superior performance is worth the additional funds.
Graphite and molybdenum disulfide are two of the most widespread materials used in bearings. While graphite is a well-liked substance in bearings, it has very bad corrosion resistance and is unsuitable for applications exactly where oil or grease is necessary. Graphite-dependent composite materials are an additional alternative. They combine the advantages of both graphite and ceramic resources. A selection of proprietary resources have been created for substantial-temperature use, this sort of as graphite and MoS2.
Wooden bearings have been all around for centuries. The oldest ones utilised wood and Lignum Vitae. These components ended up light-weight, but they ended up incredibly sturdy and durable. Wooden bearings ended up also lubricated with animal fat. During the 1700s, iron bearings were a well-known selection. In 1839, Isaac Babbitt invented an alloy made up of tough metallic crystals suspended in a softer steel. It is regarded a metallic matrix composite.

Purposes of bearings

Bearings are used in several different industries and methods to aid aid rotation. The metallic surfaces in the bearings assistance the excess weight of the load, which drives the rotation of the device. Not all hundreds implement the identical quantity of force to bearings, nonetheless. Thrust and radial loads act in distinctly various ways. To greater understand the different uses of bearings, let us analyze the numerous types of bearings. These versatile gadgets are crucial for several industries, from automobiles to ships and from development to industrial processes.
Cylindrical roller bearings are designed to support heavy hundreds. Their cylindrical rolling element distributes the load more than a bigger region. They are not, even so, suited to handling thrust loads. Needle bearings, on the other hand, use little diameter cylinders and can in shape into tighter areas. The advantages of these varieties of bearings are many, and a lot of top producers are now leveraging the Industrial Net of Issues (IIoT) to develop connected sensible bearings.
As a power technology market, bearings perform an crucial function. From turbines to compressors, from turbines to pumps, bearings are important parts of equipment. In addition to bearings, these elements support shift the tools, so they can function effectively. Generally, these factors use ball bearings, even though some roller bearings are used as nicely. In addition to being efficient and tough, these types of bearings also are inclined to be developed to meet stringent inner clearance needs and cage layout demands.
In addition to bearings for linear movement, bearings can also bear the bodyweight of a rotary component. Depending on the application, they can be made to decrease friction in between moving areas. By constraining relative motion, bearings are utilized to decrease friction inside of a given application. The very best-created bearings reduce friction in a provided application. If you happen to be in the industry for a new bearing, NRB Industrial Bearings Minimal is an superb supply to commence your research.

Sorts of bearings

The variety of bearings you decide on will have a considerable influence on the performance of your machinery. Employing the correct bearings can improve performance, accuracy, and provider intervals, and even decrease the cost of purchasing and running equipment. There are a number of various sorts of bearings to choose from, such as ball bearings and flexure bearings. Some sorts use a fluid to lubricate their surfaces, while other folks do not.
Simple bearings are the most frequent kind of bearing, and are utilized for a range of purposes. Their cylindrical style allows for a reasonably easy movement. Often made of copper or other copper alloy, they have low coefficients of friction and are frequently employed in the design sector. Some varieties of plain bearings are also accessible with a gudgeon pin, which connects a piston to a connecting rod in a diesel motor.
Magnetic bearings are the most recent kind of bearing. They use long term magnets to create a magnetic area all around the shaft without having necessitating any energy. These are tough to design, and are even now in the early levels of growth. Electromagnets, on the other hand, require no electricity but can perform extremely substantial-precision positioning. They can be incredibly resilient and have a long provider existence. They are also light-weight and easy to repair.
Another type of bearing is needle roller. These are created of slim, prolonged, and slender cylinders that are used in a range of programs. Their slender dimensions is perfect for a room-constrained application, and their small profile permits them to in shape in tight locations. These sorts of bearings are often utilized in automotive apps, bar stools, and digicam panning units. They have several rewards more than ball bearings, which includes the potential to deal with large axial loads.

Value of bearings

A vast assortment of elements affect the price of aerospace bearings, like the bearing material and its volatility. Manufacturers usually use substantial-quality steel for plane bearings, which are extremely afflicted by fluctuations in the metal value. Govt procedures also perform a portion in the variation in trade value. The implementation of COVID-19 has altered the market place dynamics, making an uncertain outlook for provide and demand from customers of aerospace bearings. New trade norms and transportation limits are predicted to hamper the growth of this market.
Desire for aerospace bearings is mainly pushed by aircraft makers. In North The usa, aircraft makers should fulfill incredibly large expectations of excess weight, functionality, and quality. They also must be light-weight and expense-efficient. This has resulted in a climbing expense of aerospace bearings. The marketplace for aerospace bearings is anticipated to develop at the greatest CAGR over the subsequent handful of many years, driven by growing investments in defense and aerospace infrastructure across Asia-Pacific.
Hub assemblies are also pricey. A wheel hub will value among $four hundred and $five hundred for one particular set of bearings. In addition to this, the speed sensor will be integrated. The regular cost of wheel bearings is in between $400 and $500 for one aspect, which includes labor. But this price assortment is considerably reduce if the bearing is a alternative of an entire wheel assembly. It is nonetheless well worth noting that wheel hub bearings can be bought separately for a reduce price.
Substitution of a single or two wheel bearings will rely on the model and yr of the vehicle. For a small automobile, one rear wheel bearing can value between $190 and $225, while two entrance wheel hubs can value upwards of $1,000. Labor and areas costs will vary by location, and labor fees might also be coated beneath some guarantee programs. If you choose to have it accomplished by yourself, be certain to inquire several retailers for estimates.

Inspection of bearings

To sustain bearing overall performance and stop incidents, periodic inspections are important. In addition to ensuring reliability, these inspections enhance efficiency and effectiveness. Standard servicing consists of disassembly inspection, replenishment of lubricant and checking operation position. Below are some common techniques to execute the needed inspections. Hold studying to discover how to sustain bearings. Following disassembly, you must thoroughly clean the parts totally. Make sure that the bearings are free of burrs, debris, and corrosion.
Ultrasound technology is an superb resource for monitoring slow-speed bearings. Most ultrasound instruments supply vast-ranging sensitivity and frequency tuning. Ultrasound can also be employed to monitor bearing audio. Ultra-sluggish bearings are usually big and greased with large-viscosity lubricant. Crackling seems show deformity. You can also listen for irregular noise by plugging a vibration analyzer into the machine. When the equipment shows irregular noise, plan extra inspections.
Ultrasonic inspection involves utilizing an ultrasound transducer to measure the amplitude of audio from a bearing. It is efficient in early warnings of bearing failure and stops more than-lubrication. Ultrasound inspection of bearings is a expense-powerful remedy for early diagnosis of bearing difficulties. In addition to becoming a trustworthy device, ultrasonic tests is electronic and effortless to implement. The following are some of the benefits of ultrasonic bearing inspection.
Dynamic high quality analysis includes the use of a particular fixture for measuring bearing deformations beneath reduced shaft velocity and gentle radial load. The dimension of the fixture influences the worth of the deformations. A fixture ought to be sized amongst the diameter of the sensor and the roller to make certain highest precision. The outer deformation sign is far more delicate with a bigger sensor diameter. A vibration-acceleration sensor is employed for the distinction examination.

China Standard CZPT Double Row Angular Contact Ball Bearings 3214 with Dimension Range 12mm-150mm     with high qualityChina Standard CZPT Double Row Angular Contact Ball Bearings 3214 with Dimension Range 12mm-150mm     with high quality