China OEM High Lifetime Double Row Deep Groove Ball Bearing wholesaler

Product Description



Basic construction, straightforward to use
Tiny friction coefficient and greater restrict revolving speed
The most mature engineering, incredibly minimal sounds stage
Not resistant to effect, not appropriate for large hundreds
Heavy-obligation design improves bearing load potential and prolongs services life.


Product Description

Deep groove ball bearings are the most typically used rolling bearings, belong to non-divided bearings, which are easy construction, simple to use and lower price tag. Standard deep groove ball bearings are composed of inner ring, outer ring, steel balls, and cage. The cages are mostly stamped metal corrugated cages or engineering plastic solid cages, while massive bearings use metal solid cages.

There are 2 kinds of deep groove ball bearings, one-row and double-row. The composition is also divided into 2 varieties: open up variety and closed kind. The open up sort means that the bearing is not sealed the closed kind signifies that it has seal. There are 2 sorts of sealing structure: dust-proof seal and oil-proof seal.          


Double row deep groove ball bearings are equivalent in design to solitary row deep groove bearings. It consists of outer ring, internal ring, cage and double row metal balls. Double row deep groove ball bearings largely bear radial hundreds and can also bear bidirectional axial hundreds.

Double row deep groove ball bearings are ideal for bearing arrangements in which the load capacity of a one row deep groove ball bearing is inadequate. For the double row deep groove ball bearing with the exact same outer diameter and interior diameter as the deep groove ball bearing, its width is larger and the load potential is also significantly higher than that of the one row deep groove ball bearing of the 62 and 63 sequence.

Double row deep groove ball bearings can only tolerate an angular misalignment of 2 minutes of arc. Larger angular misalignment can overload the balls and raceways, shorten bearing lifestyle, and cause increased sounds.


Primary programs:
Automobiles, agricultural machinery, device equipment, motors, water pumps, textile CZPT and other fields.



Product Parameters

This parameter desk is not full, remember to make contact with us for details

Organization Profile

ZheJiang CZPT CZPT Co., Ltd, Xihu (West Lake) Dis. Large-precision Bearings Co., Ltd belongs to CZPT group. It is located in Industrial Development Zone of Liao-cheng metropolis, which is bearings manufacturing base in China. We have been specialized in the manufacturing of auto parts, bearings and retainers since 12 months 1986.

Our factory covers an location of one hundred twenty,000 sq.m, with a building spot of 66,000 sq.m. There are far more than 600 staff, fifty management personnel, eighty technological engineers and sixty quality inspectors. We are famous manufacturer group for our rigid quality control system and difficult-functioning staff.

There are a lot more than forty sets of high-precision mildew processing products, one hundred fifty sets of various CNC lathes, two hundred sets of white dynamic grinding devices, 120 sets of stamping gear, sixteen sets of specific demagnetization equipment, 10 sets of higher-force spray cleaning machines, 6 sets ultrasonic cleaning machines and 6 automatic bearing grinding lines. They are also geared up with sophisticated hardness tester, length measuring instrument, sine instrument, spectrometer, infrared carbon and sulfur analyzer, CZPT hardness tester, roughness profiler, digital tensile testing equipment, metallographic microscope, projection coordinate instrument, roundness instrument, ABLT-2 life screening machine, three-coordinate testing machine and so on. We are all set to supply buyers with higher-good quality precision bearing products.

Our firm passed ISO9001, ISO/TS16949 and IATF16949 high quality administration program. Our merchandise are CE / SGS accredited. By means of introducing world-foremost technologies and provide with each other domestic CZPT talents, it ensures our quick expansion and competitive rewards.

Sincerely want you visit our factory!


Q1: Do you provide samples? Is it free or extra?
Indeed, we can offer a small quantity of totally free samples. Do you thoughts spending the freight?

Q2: Can you acknowledge OEM or Non-Stand Bearings ?
Any need for Nonstandard roller bearings is simply fulfilled by us due to its large understanding and links in the business.

Q3: What is your latest shipping and delivery time?
Most orders will be shipped inside of 7-fifteen times of payment currently being received.

Q4:Does your company have quality assurance?
Sure, for 1 several years.

Q5:Which payment method does your organization support?
T/T is best, but we can also accept L/C and Western Union.

Q6:How to make contact with us speedily?
Remember to send out us an inquiry or concept and go away your other make contact with details, this sort of as cellphone quantity,  account or account, we will speak to you as quickly as feasible and offer the comprehensive info you need to have.



Comprehension the Diverse Sorts of Bearings

When you are hunting for a bearing, you have a lot of choices to select from. This report will clarify the different varieties, capabilities, and working rules of different kinds of bearings. After you understand the simple elements, you can make an knowledgeable selection about which one particular to acquire. Here’s an overview of some of the most frequent sorts. Learn far more about every single variety under! Read through on to discover about the distinctions amongst these various kinds of bearings! Posted in Articles or blog posts


Bearings provide as an integral portion of a mechanical system. These products aid transfer torque from a single portion of a structure to one more. These mechanisms enhance the performance of a shaft by rising its lifestyle. Even so, the capabilities of bearings rely on the application of the construction. Between other capabilities, bearings offer help to shafts. Anti-friction bearings arrive in two sorts: ball and roller bearings. These components have line and level contact, which is the most common sort. Archimedes’s principle states that the power is equal to the weight of the fluid that is being displaced. Bearings can transfer lateral loads to a substructure.
A bearing has two primary features. The very first is to avoid immediate metallic-to-steel contact. A bearing prevents friction, heat era, and dress in and tear of factors. A bearing also decreases energy intake. Its other purpose is to manual and assistance a rotating entire body. In addition to these features, bearings can also lessen use and tear on a machine. As a end result, they are amongst the most widely utilised devices in the entire world.
Seals are a significant element of a bearing. They avoid international supplies from moving into and lubricating the shifting parts. The layout of seal lips establishes their effectiveness. Fuel economic climate regulations and CO2 emissions rules are pushing the demand from customers for low-friction bearings. Even so, substantial-overall performance seals do not usually give higher-efficiency. As a consequence, recent estimations of the friction in bearings rely on demo and mistake strategies.
Another crucial perform of bearings is that they transfer the load of a rotating ingredient to its housing. This load can be axial or radial. Bearings also limit motion to predefined directions. Some kinds of rolling aspect bearings have balls or cylinders within. These bearings are less frictional than sliding types, as a result they let components to transfer freely throughout rotation. These parts can then be utilized for different apps. So, bearings are an integral part of machines.


The most widespread variety of bearing is a simple bearing. It uses surfaces in rubbing get in touch with to transmit motion from 1 component to yet another. These bearings may possibly be discrete or may possibly consist of a hole in a steel sleeve or a planar surface bearing another part. Some simple bearings are flanged, while other people are made of a sleeve with a flange at one particular finish. These bearings usually give acceptable precision and life, but they are costly and can’t be utilised in huge scale purposes.
Radial bearings are utilised when there is a need for high-velocity or corrosive areas. This kind of bearing also serves as a assist in an intermediate predicament. Its two components are referred to as the foundation and the include. The foundation and go over are linked and are arranged parallel to the principal axis. This variety of bearing is utilised in continual-condition and axial movement purposes. The radial bearings are also employed when the shafts are extended.
Angular speak to bearings are an additional sort of bearing. These are simple to put in and require minimum maintenance. Their races are displaced along the axis. They are also better at dealing with axial hundreds and transferring them to the housing. These sorts of bearings are generally employed in pumps, vehicles, and high-speed applications. If you are seeking for an reasonably priced, reliable bearing, look no even more than the angular contact bearing.
An additional type of bearing is a self-lubricating bushing. These are light-weight and wear-resistant. As opposed to the other kinds of bearing, they do not demand any lubrication or maintenance. In reality, some are entirely maintenance-free. But if you happen to be nervous about servicing, this sort of bearing could be a excellent selection. There are numerous advantages of utilizing self-lubricating bushings. It is also a excellent option for applications in which your equipment is uncovered to excessive temperatures.

Working basic principle

A bearing has two major capabilities: assistance and load transfer. In engineering apps, the bearing tends to push the load in the direction of the shaft. A radial load pushes the bearing downward and a thrust load pushes it sideways. The two varieties of load transfer are critical in a selection of purposes. The functioning theory of every sort is described under. Listed underneath are the primary makes use of for each and every kind of bearing.
A plain bearing employs a PTFE liner on the interface of two transferring parts. The PTFE liner functions as a lubricant and may be filtered to change its friction. The journal bearing employs the motion of the journal to power fluid into the gap among two transferring components. This results in a tiny amount of enjoy in the bearing. This enjoy is appropriate for most programs. A ball bearing might have a optimum enjoy of 2 mm for a ten-millimeter shaft.
The main function of a bearing is to assist in rotation and to lessen mechanical friction among the two objects. A bearing might be put in as a separate device or as an integral component of a machine. For far more sophisticated programs, bearings are extremely exact parts demanding the maximum specifications of technology. For this reason, it is essential to comprehend the working theory of bearings. The subsequent time you need to raise or slide a weighty item, consider a bearing.
Ball bearings are a common variety of ball bearing and can be located in industrial machinery and automobiles. Their exclusive composition assists them assist less bodyweight. This is because they are comprised of two rings – an internal race and an outer race. The balls by themselves have a small area of contact and transfer axial hundreds in 1 route. A cage surrounds the balls and stops them from colliding. This helps make ball bearings a popular option for numerous programs.

Sealing program

A bearing’s seals are essential for the operation of rolling and rotating factors. These methods allow rotation and linear motion even though restricting friction and dispersing stress. With no the proper seals, these elements could confront catastrophic failure. In addition to guarding the bearing from external forces, seals assist keep lubricant inside the system and avoid damaging particles from entering the gap. A seal’s lubrication will help avoid the onset of mechanical harm and prolongs the existence of the bearing.
A bearing seal is manufactured up of two parts: the internal sealing factor and the outer sealing aspect. A passageway operates through the bearing assembly to the outer seal aspect. A hydraulic push or pneumatic jack is advised for putting in the seal. These instruments are efficient in reducing deformation and bettering seal set up good quality. When fitting the seal, make certain that the device does not hit the seal immediately. A proper adopter will distribute the load uniformly across the seal.
The seal’s effectiveness is dependent on its hole. A four-inch shaft seal can flow .5 regular cubic ft for every moment. A seal’s performance is highly dependent on the hole size. The gap measurement is a cube of the stream by way of the technique. A smaller sized hole size makes it possible for high movement and pressure but less leakage. If the two surfaces of the seal have similar pressures and flow charges, the seal is successful. However, a modest hole minimizes the pressures and decreases use.
Mechanical seals have several advantages, which includes their capability to protect towards contaminants and splashing liquids. Labyrinth seals are the 1st line of defense towards leaks. They operate with out friction. Their high amount of sealing efficiency aids make certain that the bearing continues to be operational for prolonged. This kind of seal is manufactured from metal plates and is created for a vast temperature assortment and misalignment. Its advantages include becoming simple to install and offering 100% sealing performance.

Routine maintenance

Bearing maintenance is critical to making sure that your bearings keep operating at their peak efficiency. Appropriate servicing will improve bearing daily life, minimize downtime and increase productivity even though minimizing charges. Listed here is an 8-level checklist to enhance your bearings and make them very last lengthier. To improve their overall performance, you must follow these measures routinely. In scenario a bearing does not previous prolonged, you ought to change it as quickly as attainable. Detailed underneath are some tips to ensure correct maintenance.
The initial phase is to determine how frequently your bearings call for lubrication. Some companies advocate that you lubricate them weekly, but this can do more hurt than excellent. Alternatively, use ultrasound to evaluate the level of friction and craze its stages. This way, you will know precisely when to grease your bearings. It’s also crucial to check how often they ought to be inspected and calibrated. A specialist can supply advice on appropriate servicing.
Up coming, examine your bearings for cracks and scratches. You should never ever install a bearing that has been dropped or scratched. Even a small crack will affect the performance of the bearing and could direct to its untimely failure. A suitable alignment is essential for the bearing to perform appropriately. Make confident you have the appropriate instruments to complete this activity. These resources can assist you lessen manual perform and promote risk-free bearing upkeep. You should also make sure that the shaft and housing are clear and undamaged.
Proper maintenance can prolong bearing provider life. Correct lubrication, mounting, inspection, basic problem checking, and dismounting can extend their lifestyle. Appropriate routine maintenance extends their lifespan and increases plant productiveness. Even though bearings are important for machinery, you need to make certain you comply with the correct basic safety methods each time you operate with them. These tips will also help stop accidents and keep your machine’s effectiveness. When you’ve got followed these guidelines, you can securely examine your bearings and guarantee that they’re operating at their ideal ability.

China OEM High Lifetime Double Row Deep Groove Ball Bearing     wholesaler China OEM High Lifetime Double Row Deep Groove Ball Bearing     wholesaler