Product Description

Double Row Angular Make contact with Ball Bearings 3309ATN1 3309A-ZTN1 3309A-2ZTN1 3309A-RSTN1 3309A-2RSTN1 3309ANTN1 3309ANRTN1 in Bangladesh/Nepal/Kazakhstan

Bearing Description

Introduction to Double Row Angular Speak to Ball Bearings

one) Double row angular speak to ball bearing is particularly suited to be subjected to the mixture of radial and axial load when compared with other varieties of ball bearings. The greater the speak to angle is, the higher axial load withstanding CZPT it has.

2) The high precision and higher velocity angular speak to ball bearings normally adopts 15°angle.

three)The angular contact ball bearing could be divided into 2 sorts according to the quantity of roller rows, that are single row and double rows angular speak to ball bearings.

4) Conventionally, there are 3 assembly methods for the angular contact bearings, again to back again sort(i.e 7000/DB) ,experience to experience kind(i.e 70000DF) and series assembly kind(i.e 70000/DT).

5) Programs this kind of as lathe primary axle, high frequency motor, foods equipment,oil pump, fan and blower, and others are recommended to use the angular make contact with ball bearings, possibly solitary row or double rows sort.

Bearing Specification

Specification for Double Rows Angular Get in touch with Ball Bearings


Bearing Detailed Images

Double-row Angular Speak to Ball Bearing Manufactured by CZPT Bearing

About ZheJiang CZPT Bearing

Guomai Bearing Manufacturing facility Introduction

ZheJiang CZPT Bearing Co.,Ltd(hereinafter referred to as Guomai) was recognized in 1999, with a lot more than twenty many years of bearing research and producing encounter. The manufacturing unit covers an area of 16000 m2,7000 mof which is manufacturing region and the other is place of work and warehouse. CZPT has massive inventory for generally utilized bearing models and this allows us to supply the bearing to buyers within the shortest time.

There are total 160 staffs, 6 automatic bearing assembly strains,116 CNC devices and 22 sets of precise inspection instruments. We not only have our very own R&D group but also cooperate with ZheJiang University of Science and Technological innovation, HangZhou Bearing Analysis Institute to create new bearing developing and manufacturing technological innovation.
In addition to conventional bearings, CZPT also provides OEM and OM support to our respectable customers to fulfill their individual requirements.We introduced superior milling, turning equipment, warmth therapy tools and bearing testing machines to guarantee the good quality of the bearings due to the fact we know “Good quality is the life of Guomai” .Now our best goods contain taper roller bearing, angular get in touch with ball bearing, deep groove bearing ,spherical bearing and cylindrical roller bearing with P5, P4 precision quality.

Soon after so a lot of a long time of building, CZPT has constructed up an outstanding revenue community within China. Our 2 bearing makes “CVZ” and “Bentu” are effectively acknowledged and have high popularity within the industrial tools and components subject. Additionally, with self confidence of our bearing high quality, we commenced to export our bearings 4 years back. Customers from Europe, North The united states, Middle East, Southeast Asia and Africa have enjoyed the pleasure our bearings brought to them.

Guomai Bearing constantly upholds “Win-Earn” spirit and believes in “Details establish success” philosophy, and hold bettering bearing high quality in the previous twenty years.  Some series of our bearings have related good quality with SKF, NSK, Timken, NACHI, KOYO, CZPT and other world CZPT brands but with decrease price tag.
Searching to the long term, CZPT will insist on the technologies innovation and processing stages to supply the most proper bearing items and provider to our consumers.

Bearing world wide web webpage description and models might be restricted, remember to get in touch with us for a lot more details.


Guomai Showcased Bearings

Featured Bearings

Global Trade Present


Motives to Select Us ?

Factors to pick CZPT Bearings as your Chrome Steel Angular Contact Ball Bearing partner

1. Bearing designing: Guomai has our possess bearing R&D group and adopts Germany technologies. This allows us to provide OEM and ODM services to you.
two. Creation method: We strictly comply with the 5S creation method and acquired ISO9001:2008 quality management method certificate. In addition to, we released from overseas entire world CZPT brands lathes and heat treatment products, this permits us to give substantial precision bearings with comparable high quality to globe CZPT manufacturers such as SKF,TIMKEN,NSK,NTN,KOYO,NACHI and so on.
three. Resources: To make sure the large good quality of bearings, we use large carbon chrome bearing metal which provides substantial rigidity, and higher resistance to CZPT use to produce the bearings. Minimal carbon chilly rolled metal and low carbon stainless steel is also utilized in accordance to customers’ specifications.
four. Good quality inspection: All bearings will be strictly tested before packing. We have CZPT talysurf, hardness meter,clearance detector,vibration(velocity) measuring instrument,roundness instrument to promise all bearings are experienced with the standards.
five. Lubricants: Suitable lubricants are utilised to shield the bearings from oxidation or corrosion of areas therefore enable our bearings with lengthier life time, reduced sound and greater high temperature efficiency. Variety of lubricants is typically governed by the bearing application. Appropriate selection of higher top quality lubricants could avert steel to steel make contact with and conduct warmth away from the bearings.
six. Packing: Guomai bearings pay attention to every single detail in the bearing manufacturing process. We undertake plastic bag, Kraft paper, thick paper box and cartons to shield the bearings from unexpectable damage during the transportation and warehouse stock.
7. Manufacturing facility direct marketing: We are the manufacturing unit and not the distributor or trading agent, so we could offer the identical top quality with competitive cost.

Packaging & Shipping

Guomai Bearings, Roll Jointly with the Planet and You!!!

Types of Ball Bearings

In their most simple form, Ball Bearings have 1 common function – they are made of steel. The greater part of these bearings are created of 52100 steel, which has one % chromium and one particular % carbon. The steel can be hardened by warmth trea
tment. 440C stainless steel is utilised for rusting problems. A cage all around the ball balls is usually made from thin metal. However, some bearings use molded plastic cages to save income and friction.

Single-row types

Steel linear translation levels typically use one-row patterns for ball bearings. These kinds of bearings provide sleek linear journey and can face up to high loads. The content steel has a high modulus of elasticity and a higher stiffness, as nicely as a reduced thermal expansion than aluminum. For these factors, metal is the material of selection for a ball bearing in a typical person atmosphere. One-row styles for ball bearings are also suitable for programs in humid or corrosive environments.
Single-row types for ball bearings are accessible in a range of sizes and are axially adjustable. They have a higher radial capability, but demand reasonably minor place. Single-row deep groove ball bearings with snap rings are STN 02 4605 or R47, respectively. Bearings with snap rings are discovered by a suffix this kind of as NR. They may not have seals or shields put in.
These one-row angular contact ball bearings are able of supporting axial and radial loads. In a two-raceway arrangement, the radial load on bearing A leads to a radial load to act on bearing B. Both axial and radial forces are transmitted between single-row angular make contact with ball bearings, and the resulting interior pressure need to be taken into account to estimate equal dynamic bearing loads P.
One-row deep groove ball bearings are the most widespread kind of ball bearings. These bearings are created with only one particular row of rolling elements. The solitary-row design is straightforward and durable, which helps make it ideal for higher-pace apps. Single-row designs for ball bearings are also obtainable in different bore dimensions. They can also arrive in a variety of styles and are non-separable. If you want a high-speed bearing, you might want to decide for a double-row design and style.
In addition to solitary-row styles for ball bearings, you can pick ceramic or steel ball bearings. Ceramic balls are substantially tougher than steel balls, but they are not as difficult as metal. Hence, ceramic bearings are stiffer than steel ball bearings, ensuing in increased tension on the outer race groove and decrease load capability. This is a wonderful advantage for those who require the bearings to be light-weight and sturdy.
The variation amongst single-row and double-row designs is in the way that the interior and outer ring are mounted. A single-row design and style areas the inner ring in an eccentric place relative to the outer ring. The two rings are in speak to at one level, which triggers a large hole in the bearing. The balls are then inserted through the hole. As a outcome, the balls are evenly dispersed during the bearing, which forces the internal and outer rings to turn out to be concentric.
Deep-groove ball bearings are 1 of the most popular types of ball bearings. They are accessible in diverse patterns, which includes snap-ring, seal and shield arrangements. The race diameter of a deep-groove ball bearing is close to the ball’s diameter. These kinds of bearings are suited for heavy loads, and their axial and radial help are superb. Their major downside is that the make contact with angle cannot be modified to accommodate a broad range of relative hundreds.

Ceramic hybrid ball bearings

Hybrid ball bearings with ceramic balls have many rewards. They function enhanced kinematic conduct and demand less lubrication. As a result, they can minimize functioning costs. Moreover, their low thermal expansion coefficient allows for scaled-down changes in speak to angle and preload versions, and they can retain tolerances. Furthermore, ceramic hybrid ball bearings have substantially improved life spans compared to conventional steel-metal ball bearings, with up to ten times the lifespan.
Although ceramic bearings can be employed in automotive purposes, several people believe that they’re a inadequate decision for bicycle hubs. They don’t lessen bodyweight and only perform well in substantial-rpm environments. As a end result, many cyclists will not even trouble with ceramic-based mostly bearings. Even so, each Paul Lew and Alan are of the opinion that ceramic bearings are very best suited for industrial or health-related tools applications. Furthermore, Paul and Alan think that they are excellent for substantial-altitude drone motors.
Another benefit of ceramic hybrid ball bearings is that they use considerably less friction than typical steel-primarily based balls. They are also much more sturdy, necessitating considerably less lubrication than metal-primarily based bearings. Moreover, the reduced friction and rolling resistance connected with ceramic-primarily based ball bearings implies that they can very last ten times more time than steel-based mostly bearings. A ceramic-based mostly hybrid ball bearing can be utilised for purposes where speed and lubrication are essential.
Ceramic hybrid ball bearings characteristic equally metal and silicon nitride balls. Silicon nitride balls have fifty% much more modulus of elasticity than steel balls and can enhance accuracy and precision. Ceramic balls also have a smoother area complete than steel balls, which reduces vibration and spindle deflection. These rewards result in increased velocity and improved creation quality. In addition to this, ceramic balls can also reduce the functioning temperature, maximizing the work atmosphere.
Hybrid bearings are a well-known different to steel bearings. They have some rewards more than classic metal bearings, and are becoming a popular decision for engineered applications. Hybrid bearings are ideal for substantial velocity devices. The content utilised to manufacture ceramic balls is a large-high quality alloy, and is comparatively economical. But you have to comprehend that lubrication is still required for hybrid bearings. If you are not cautious, you could conclude up throwing away cash.
These ball bearings can be utilised in a lot of industries and applications, and they are broadly appropriate with most metals. The major benefit of hybrid ball bearings is that they are extremely resilient. Even though steel balls are likely to corrode and put on out, ceramic ball bearings can face up to these conditions although minimizing servicing and substitute expenses. The positive aspects of hybrid ball bearings are clear. So, think about switching to these newer varieties of ball bearings.

Self-aligning ball bearings

Self-aligning ball bearings are a excellent decision for a lot of apps. They are a fantastic different to traditional ball bearings, and they are perfect for rotating programs in which the shaft must shift in numerous instructions. They are also ideal for use in rotating areas where a restricted tolerance is essential. You can decide on among two sorts: plain and flex shaft. Go through on to uncover out which 1 will go well with your requirements.
Self-aligning ball bearings are created with a increased axial load carrying capacity than solitary-row radial deep groove ball bearings. The amount of axial load carrying ability is dependent on the stress angle. These bearings have a hollow raceway in the outer ring that permits the internal ring to pivot without friction. They are often utilised for high-speed applications. Because of their layout, they are highly correct.
Self-aligning ball bearings are radial bearings that characteristic two rows of balls in a spherical outer ring. They also feature two deep uninterrupted raceway grooves in the internal ring. Their exclusive characteristics make them an outstanding choice for purposes where shaft deflection is a important factor. Even with their tiny measurement, they have a substantial stage of precision and can withstand hefty loads.
Self-aligning ball bearings can compensate for misalignment in shaft applications. The internal ring and ball assembly are positioned inside an outer ring made up of a curved raceway. This spherical design allows the balls and cage to deflect and re-align all around the bearing center. These bearings are also perfect for programs exactly where shaft deflection is substantial, such as in simple woodworking equipment.
Yet another variety of self-aligning ball bearing utilizes a typical concave outer race. Equally balls and outer races routinely compensate for angular misalignment brought on by machining, assembly, and deflections. In comparison to spherical rollers, they have lower frictional losses than their spherical counterparts. Self-alignment ball bearings also have reduced vibration levels in contrast to other types of bearings.
Self-aligning ball bearings function in misaligned purposes simply because their spherical outer raceway can accommodate misalignment. This layout makes it possible for them to operate in apps where shaft deflection or housing deformation is frequent. They are therefore a lot more appropriate for minimal to medium-sized loads. The only real drawback to self-aligning ball bearings is their price tag. If you want to purchase a self-aligning ball bearing for your subsequent venture, you can expect to pay around $1500.

China Custom Double Row Angular Contact Ball Bearings 3309atn1 3309A-Ztn1 3309A-2ztn1 3309A-Rstn1 3309A-2rstn1 3309antn1 3309anrtn1 in Bangladesh/Nepal/Kazakhstan     with Free Design CustomChina Custom Double Row Angular Contact Ball Bearings 3309atn1 3309A-Ztn1 3309A-2ztn1 3309A-Rstn1 3309A-2rstn1 3309antn1 3309anrtn1 in Bangladesh/Nepal/Kazakhstan     with Free Design Custom