China Custom Stringent Specification CZPT CZPT Jtekt Double Row Deep Groove Ball Bearing with high quality

Solution Description



Easy structure, straightforward to use
Little friction coefficient and increased limit revolving speed
The most mature engineering, incredibly reduced sounds amount
Not resistant to influence, not suitable for heavy loads
Hefty-obligation design increases bearing load capability and prolongs services daily life.


Product Description

Deep groove ball bearings are the most commonly used rolling bearings, belong to non-divided bearings, which are basic construction, straightforward to use and minimal price. Fundamental deep groove ball bearings are composed of internal ring, outer ring, metal balls, and cage. The cages are primarily stamped metal corrugated cages or engineering plastic strong cages, whilst massive bearings use metallic solid cages.

There are 2 varieties of deep groove ball bearings, single-row and double-row. The framework is also divided into 2 types: open up kind and shut sort. The open up sort means that the bearing is not sealed the shut kind indicates that it has seal. There are 2 types of sealing composition: dust-proof seal and oil-proof seal.          


Double row deep groove ball bearings are comparable in layout to single row deep groove bearings. It consists of outer ring, inner ring, cage and double row steel balls. Double row deep groove ball bearings mostly bear radial masses and can also bear bidirectional axial loads.

Double row deep groove ball bearings are ideal for bearing arrangements exactly where the load capability of a one row deep groove ball bearing is insufficient. For the double row deep groove ball bearing with the identical outer diameter and internal diameter as the deep groove ball bearing, its width is bigger and the load capability is also much higher than that of the one row deep groove ball bearing of the 62 and sixty three series.

Double row deep groove ball bearings can only tolerate an angular misalignment of 2 minutes of arc. Bigger angular misalignment can overload the balls and raceways, shorten bearing daily life, and cause increased noise.


Major programs:
Vehicles, agricultural machinery, device resources, motors, drinking water pumps, textile CZPT and other fields.



Product Parameters

This parameter table is not comprehensive, make sure you get in touch with us for particulars

Firm 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 foundation in China. We have been specialized in the manufacturing of auto parts, bearings and retainers since calendar year 1986.

Our factory covers an spot of one hundred twenty,000 sq.m, with a construction region of sixty six,000 sq.m. There are a lot more than 600 personnel, 50 management staff, 80 technical engineers and 60 quality inspectors. We are famous manufacturer group for our strict good quality control system and tough-operating group.

There are much more than forty sets of large-precision mould processing products, one hundred fifty sets of numerous CNC lathes, 200 sets of white dynamic grinding devices, 120 sets of stamping gear, 16 sets of special demagnetization devices, ten sets of large-strain spray cleaning devices, 6 sets ultrasonic cleaning machines and 6 automatic bearing grinding lines. They are also geared up with superior hardness tester, size measuring instrument, sine instrument, spectrometer, infrared carbon and sulfur analyzer, CZPT hardness tester, roughness profiler, electronic tensile tests machine, metallographic microscope, projection coordinate instrument, roundness instrument, ABLT-2 daily life screening machine, three-coordinate screening equipment and so on. We are completely ready to give clients with higher-top quality precision bearing products.

Our company passed ISO9001, ISO/TS16949 and IATF16949 quality administration technique. Our products are CE / SGS accredited. Via introducing world-leading engineering and bring together domestic CZPT skills, it ensures our speedy growth and competitive benefits.

Sincerely want you pay a visit to our manufacturing unit!


Q1: Do you provide samples? Is it totally free or further?
Indeed, we can supply a small volume of free samples. Do you head having to pay the freight?

Q2: Can you settle for OEM or Non-Stand Bearings ?
Any necessity for Nonstandard roller bearings is very easily fulfilled by us owing to its vast information and hyperlinks in the market.

Q3: What is your most recent shipping and delivery time?
Most orders will be delivered within 7-15 times of payment being received.

This autumn:Does your firm have quality assurance?
Yes, for 1 a long time.

Q5:Which payment technique does your business help?
T/T is ideal, but we can also take L/C and Western Union.

Q6:How to get in touch with us speedily?
Make sure you ship us an inquiry or concept and go away your other make contact with info, this kind of as mobile phone quantity,  account or account, we will get in touch with you as before long as attainable and supply the thorough details you require.



Kinds of Ball Bearings

In their most basic sort, Ball Bearings have 1 typical function – they are produced of steel. The greater part of these bearings are manufactured of 52100 metal, which has a single percent chromium and one particular % carbon. The steel can be hardened by heat trea
tment. 440C stainless metal is used for rusting problems. A cage all around the ball balls is typically made from slender metal. Nonetheless, some bearings use molded plastic cages to save money and friction.

One-row patterns

Steel linear translation phases typically use single-row designs for ball bearings. These types of bearings offer easy linear travel and can stand up to high masses. The materials metal has a higher modulus of elasticity and a substantial stiffness, as well as a reduce thermal enlargement than aluminum. For these motives, metal is the material of decision for a ball bearing in a typical consumer atmosphere. Solitary-row designs for ball bearings are also suited for purposes in humid or corrosive environments.
Single-row types for ball bearings are available in a selection of sizes and are axially adjustable. They have a large radial capability, but need reasonably minor place. Single-row deep groove ball bearings with snap rings are STN 02 4605 or R47, respectively. Bearings with snap rings are identified by a suffix such as NR. They might not have seals or shields set up.
These solitary-row angular make contact with ball bearings are capable of supporting axial and radial hundreds. In a two-raceway arrangement, the radial load on bearing A triggers a radial load to act on bearing B. Equally axial and radial forces are transmitted between single-row angular speak to ball bearings, and the resulting interior force must be taken into account to estimate equivalent dynamic bearing loads P.
Single-row deep groove ball bearings are the most common kind of ball bearings. These bearings are designed with only a single row of rolling components. The solitary-row design and style is easy and resilient, which makes it best for substantial-velocity purposes. One-row styles for ball bearings are also available in numerous bore dimensions. They can also appear in a variety of designs and are non-separable. If you want a high-pace bearing, you might want to decide for a double-row design and style.
In addition to single-row types for ball bearings, you can pick ceramic or steel ball bearings. Ceramic balls are considerably harder than steel balls, but they are not as tough as metal. Consequently, ceramic bearings are stiffer than metal ball bearings, ensuing in enhanced pressure on the outer race groove and decrease load capability. This is a fantastic benefit for people who require the bearings to be light-weight and robust.
The distinction among solitary-row and double-row styles is in the way that the inner and outer ring are installed. A one-row style areas the internal ring in an eccentric position relative to the outer ring. The two rings are in get in touch with at one particular level, which causes a massive hole in the bearing. The balls are then inserted by means of the hole. As a consequence, the balls are evenly dispersed through the bearing, which forces the inner and outer rings to turn into concentric.
Deep-groove ball bearings are one particular of the most popular sorts of ball bearings. They are obtainable in diverse patterns, including snap-ring, seal and shield arrangements. The race diameter of a deep-groove ball bearing is close to the ball’s diameter. These varieties of bearings are suited for weighty hundreds, and their axial and radial help are outstanding. Their primary disadvantage is that the speak to angle can not be adjusted to accommodate a vast range of relative loads.

Ceramic hybrid ball bearings

Hybrid ball bearings with ceramic balls have quite a few advantages. They function improved kinematic behavior and call for less lubrication. Therefore, they can decrease working fees. Moreover, their minimal thermal enlargement coefficient permits for more compact alterations in make contact with angle and preload variants, and they can retain tolerances. In addition, ceramic hybrid ball bearings have drastically improved lifestyle spans in contrast to traditional steel-metal ball bearings, with up to ten moments the lifespan.
Although ceramic bearings can be employed in automotive applications, numerous men and women believe that they’re a bad decision for bicycle hubs. They will not decrease excess weight and only perform effectively in higher-rpm environments. As a end result, many cyclists will not even trouble with ceramic-based mostly bearings. Nevertheless, the two Paul Lew and Alan are of the opinion that ceramic bearings are best suited for industrial or healthcare tools apps. Moreover, Paul and Alan think that they are ideal for high-altitude drone motors.
Yet another gain of ceramic hybrid ball bearings is that they use much less friction than typical metal-based mostly balls. They are also more durable, demanding significantly less lubrication than metal-based bearings. Furthermore, the decrease friction and rolling resistance connected with ceramic-based mostly ball bearings means that they can last 10 occasions for a longer time than metal-based mostly bearings. A ceramic-based mostly hybrid ball bearing can be employed for programs exactly where pace and lubrication are critical.
Ceramic hybrid ball bearings characteristic both metal and silicon nitride balls. Silicon nitride balls have fifty% more modulus of elasticity than steel balls and can enhance precision and precision. Ceramic balls also have a smoother floor finish than steel balls, which reduces vibration and spindle deflection. These positive aspects outcome in elevated pace and improved generation good quality. In addition to this, ceramic balls can also minimize the functioning temperature, improving the function environment.
Hybrid bearings are a well-liked substitute to metal bearings. They have some benefits above traditional steel bearings, and are becoming a well-known decision for engineered applications. Hybrid bearings are best for high pace machines. The content employed to manufacture ceramic balls is a substantial-good quality alloy, and is comparatively economical. But you must comprehend that lubrication is nevertheless necessary for hybrid bearings. If you are not cautious, you may possibly conclude up losing income.
These ball bearings can be utilised in numerous industries and programs, and they are widely compatible with most metals. The major edge of hybrid ball bearings is that they are very tough. Although steel balls have a tendency to corrode and use out, ceramic ball bearings can withstand these conditions even though minimizing servicing and substitute fees. The benefits of hybrid ball bearings are clear. So, take into account switching to these more recent varieties of ball bearings.

Self-aligning ball bearings

Self-aligning ball bearings are a excellent selection for several programs. They are a excellent option to standard ball bearings, and they are ideal for rotating programs in which the shaft must go in a number of instructions. They are also best for use in rotating parts the place a tight tolerance is necessary. You can choose between two varieties: plain and flex shaft. Go through on to locate out which one will fit your demands.
Self-aligning ball bearings are designed with a increased axial load carrying ability than single-row radial deep groove ball bearings. The quantity of axial load carrying potential is dependent on the force angle. These bearings have a hollow raceway in the outer ring that makes it possible for the internal ring to pivot without friction. They are frequently used for high-velocity apps. Since of their style, they are extremely exact.
Self-aligning ball bearings are radial bearings that characteristic two rows of balls in a spherical outer ring. They also characteristic two deep uninterrupted raceway grooves in the internal ring. Their special characteristics make them an superb option for apps where shaft deflection is a considerable issue. In spite of their small dimension, they have a higher degree of precision and can face up to large loads.
Self-aligning ball bearings can compensate for misalignment in shaft apps. The inner ring and ball assembly are positioned inside of an outer ring made up of a curved raceway. This spherical style makes it possible for the balls and cage to deflect and re-align about the bearing heart. These bearings are also perfect for purposes where shaft deflection is substantial, this sort of as in simple woodworking machinery.
Another type of self-aligning ball bearing employs a widespread concave outer race. The two balls and outer races automatically compensate for angular misalignment triggered by machining, assembly, and deflections. In comparison to spherical rollers, they have reduced frictional losses than their spherical counterparts. Self-alignment ball bearings also have lower vibration amounts compared to other kinds of bearings.
Self-aligning ball bearings operate in misaligned purposes simply because their spherical outer raceway can accommodate misalignment. This layout makes it possible for them to operate in apps in which shaft deflection or housing deformation is frequent. They are consequently much more appropriate for minimal to medium-sized hundreds. The only real disadvantage to self-aligning ball bearings is their price. If you want to purchase a self-aligning ball bearing for your subsequent task, you can expect to spend about $1500.

China Custom Stringent Specification CZPT CZPT Jtekt Double Row Deep Groove Ball Bearing     with high qualityChina Custom Stringent Specification CZPT CZPT Jtekt Double Row Deep Groove Ball Bearing     with high quality