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Use and fit of SKF Bearing
Use and fit of SKF Bearing
2022-05-09
How to reduce the noise of INA Bearing
How to reduce the noise of INA Bearing
2022-05-10

Function of deep groove ball bearing

  • Self aligning ball bearing is a double row bearing with spherical outer race. The inner ring, ball and cage can rotate freely around the bearing center and have self-aligning property. 
  • Its centering ability can compensate the centering error, shaft deformation and bearing seat deformation. Self aligning ball bearings are suitable for transmission bearings where it is difficult to center the shaft and upper shell and the shaft is prone to deflection.
  • Self aligning ball bearing is a double row ball bearing whose outer race is processed into spherical shape and the inner race has two deep groove raceways. It has self-aligning performance. It is mainly used to bear radial load. While bearing radial load, it can also bear a small amount of axial load, but generally it can not bear pure axial load. Its limit speed is lower than that of deep groove ball bearing. 
  • This kind of bearing is mostly used on double bearing shafts that are prone to bending under load, and in parts where the double bearing seat hole cannot ensure strict coaxiality, but the relative inclination between the center line of the inner ring and the center line of the outer ring shall not exceed 3 degrees.
  • 12. The inner holes of 13, 22 and 23 series self-aligning ball bearings can be cylindrical or conical. The self-aligning ball bearing with inner hole taper of 1:12 (code suffix K) can be directly installed on the conical shaft or on the cylindrical shaft through a tight set sleeve. Fag can not only provide non sealed self-aligning ball bearings, but also provide basic types of self-aligningwith sealing covers at both ends (code suffix 2RS).

Bearing clearance of self-aligning ball bearing

  • The basic type of cylindrical hole is self-aligning ball bearing. The clearance group is ordinary group, and the bearing with larger radial clearance than ordinary group (code suffix C3) is available on cable. The basic type of tapered hole is the radial clearance of self-aligning ball bearing, which is C3 group larger than the ordinary group. 
  • The inner and outer race raceways of deep groove ball bearings are arc-shaped deep grooves, and the groove radius is slightly larger than the ball radius. It is mainly used to bear radial load and certain axial load. When the radial clearance of the bearing increases, it has the function of angular contact ball bearing, can bear large axial load, and is suitable for high-speed rotation. 
  • The bearing can still work normally when the shell hole and shaft are relatively inclined by 8 ′~ 16 ′, but its service life is affected. When the rotating speed is high and thrust  is not suitable, this kind of bearing can be used to bear pure axial load.
  • Deep groove ball bearings generally use a steel plate stamping cage composed of two parts, but large-size or high-speed bearings use a solid cage. This cage is made of balls like the stamping cage. The cage of high-speed deep groove  is usually blocked by the inner ring or outer ring.
  • Compared with other types of bearings with the same size, deep groove ball bearing has small friction coefficient, low vibration and noise, high limit speed and high precision. It is the preferred bearing type for users. However, such bearings are not resistant to impact and are not suitable for bearing heavy loads.
  • Deep groove ball bearing has the advantages of simple structure and convenient use. It is a kind of bearing with large production volume and wide application range. 
  • It is widely used in automobiles, household appliances, machine tools, motors, water pumps, agricultural machinery, textile machinery and many other fields. Its output accounts for more than 70% of the total output of bearings. It is a kind of with high output, universal use and low price in China.
  • Deep groove ball bearing is a common type of rolling bearing. The basic deep groove ball bearing is composed of an outer ring, an inner ring, a group of steel balls and a group of retaining structures. There are two types of deep groove ball bearings: single row and double row. 
  • The type code of single row deep groove ball bearing is 6 and the code of double row deep groove ball bearing is 4. The utility model has the advantages of simple structure and convenient use. It is a kind of bearing with universal production and wide application.
  • Deep groove  mainly bear radial load, and can also bear radial load and axial load at the same time. When it only bears radial load, the contact angle is zero. When the deep groove ball bearing has large radial clearance, it has the performance of angular contact bearing and can bear large axial load. The friction coefficient of deep groove ball bearing is very small and the limit speed is also very high.
  • Deep groove ball bearing has simple structure and is easy to achieve high manufacturing accuracy compared with other types, so it is convenient for series mass production, low manufacturing cost and widespread use. In addition to the basic type, the deep groove ball bearing also has various variant structures.
  • Deep groove ball bearings can be used in gearboxes, instruments, motors, household appliances, internal combustion engines, traffic vehicles, agricultural machinery, construction machinery, engineering machinery, yo yo, etc.
  • Deep groove ball bearing mainly plays the role of supporting and reducing friction in machinery, so the accuracy and noise of deep groove ball bearing are directly related to the service life of machinery. However, business personnel often encounter some customers, that is, the efficiency of deep groove ball bearings or imported deep groove ball bearings is not high, which is related to the use and selection of deep groove ball bearings. Some people may say that the use and selection of deep groove ball bearings are the business of users. I only care what users want and what I sell.
  • However, as a qualified salesperson, in addition to being proficient in their own product knowledge, they should also be proficient in the use of products, that is, doctor type sales, and the matching deep groove ball bearings selected according to the performance and service conditions of users’ supporting products.
  •  This is the professional manufacturing and sales popular among major companies in the world. This method has also achieved good results since its implementation in renben group.
Function of deep groove ball bearing

Selection of clearance of deep groove ball bearing

when purchasing deep groove ball bearing, users generally only tell what model and grade, and rarely put forward requirements for the clearance 

  • Business personnel must ask about the service conditions of deep groove ball bearing, in which the speed, temperature and fit tolerance of deep groove   are directly related to the selection .
  • Generally, CM clearance is adopted for motors with speed below 3500 rpm. For example, relatively large clearance is required for high-temperature and high-speed motors. After assembly, the clearance of deep groove ball bearing will be reduced due to the increase of inner hole and the reduction of outer circle. The reduction of clearance = interference × 60% (except that the deep groove ball bearing chamber is made of aluminum).
  •  For example, if the clearance of deep groove ball bearing before assembly is 0.01mm and the interference during assembly is 0.01mm, the clearance of deep groove ball bearing after assembly is 0.004mm. Theoretically, the noise and service life of deep groove ball bearing reach the state of zero clearance, but considering the problems of temperature rise in actual operation, the clearance of  assembly is 0.002mm-0.004mm.
  • Selection of grease: the selection of grease is generally based on the speed, temperature resistance, noise requirements and starting torque of  . Business personnel are required to know the performance of various greases.
  • Selection of sealing type of deep groove ball bearing: the lubrication of deep groove ball bearing can be divided into oil lubrication and grease lubrication. Oil lubricated deep groove ball bearings are generally in the form   and grease lubricated  generally sealed with dust covers or rubber seals. 
  • The dust cover is suitable for parts with high temperature or good service environment. The seals are divided into contact seal and non-contact seal. The contact seal has good dust-proof performance but large starting torque, and the non-contact seal has small starting torque, but the sealing performance is not as good as the contact seal

Function of deep groove ball bearing

  • At present, humanistic deep groove ball bearings have been professionally manufactured in automobile motor deep groove ball bearings, household appliance motor deep groove ball bearings, motorcycle deep groove ball bearings, health care motor other industries, so that the noise and service life   can reach the state.

Precautions for use of deep groove ball bearing

  • Selection and control of tolerance of shaft and deep groove ball bearing chamber: the deep groove ball bearing shall rotate flexibly without blocking feeling after being pressed into the deep groove ball bearing. If there is obvious inflexible rotation, it indicates that the size of the shaft is too large and the tolerance should be reduced.
  •  If the deep groove ball bearing has obvious sand feeling when rotating by hand after being pressed into the shaft, it may be that the tolerance of the shaft is too large or the roundness of the shaft is not good. Therefore, when controlling the tolerance of shaft and deep groove ball bearing chamber, it is also necessary to control the roundness. At present, many domestic manufacturers only control the tolerance, not the roundness.
  • Assembly method of deep groove ball bearing: because deep groove ball bearing is a high-precision product, if it is not assembled properly, it is easy to damage the groove of deep groove ball bearing and cause damage . special mold during assembly, and can not be knocked at will. 
  • When pressing the shaft, only the small ring can be stressed, and when pressing the large ring, only the large ring can be stressed. Pneumatic or hydraulic pressure is required during assembly. During press assembly, the upper and lower molds shall be outside the horizontal state. 
  • Prevention of assembly foreign matters: when the deep groove ball bearing is installed on the rotor for dynamic balance, it is easy to put the iron filings generated during dynamic balance into the deep groove ball bearing, so it is necessary to perform dynamic balance before installing. 
  • In order to facilitate assembly, some manufacturers apply some oil or grease in the deep groove ball bearing chamber for lubrication effect during assembly, but it is often difficult for the operator to control the amount. 
  • If more oil or grease is accumulated in the deep groove ball bearing chamber, it is easy to enter the deep groove ball bearing along the shaft when the deep groove ball bearing rotates. The deep groove ball bearing chamber shall not be coated with oil or grease. If it must be coated, it shall be controlled, and there shall be no accumulation in the  chamber.
  • Prevention of paint rust: paint rust is often found in sealed motors. The sound of the motor is very good during assembly, but after being placed in the warehouse for some time, the abnormal sound of the motor becomes very large, and there is serious rust when removing   . In the past, many manufacturers thought.
  • After our continuous publicity, now the motor factory has realized that it is mainly the problem of insulating paint. This problem is mainly because the acidic substances volatilized from the insulating paint form corrosive substances at a certain temperature and humidity, which corrodes the channel of the   and leads . 
  • At present, the problem can only be to select good insulating paint and assemble after drying and ventilation for a period of time.
  • The service life of   closely related to manufacturing, assembly and use. It must be done well in each link in order to make the deep groove ball bearing in the running state, so as to prolong the service life .

Function of deep groove ball bearing

  • Sliding bearing is a bearing that works under sliding friction. The sliding bearing works stably, reliably and noiseless. Under the condition of liquid lubrication, the sliding surface of the sliding bearing is separated by the lubricating oil without direct contact.
  •  It can also greatly reduce the friction loss and surface wear. The oil film also has a certain vibration absorption capacity. However, the starting friction resistance is large. The part of the shaft supported by the bearing is called the journal, and the parts matching the journal are called the bearing bush. In order to improve the friction properties of the bearing surface, the antifriction material layer cast on its inner surface is called bearing lining.
  •  The materials of bearing bush and bearing liner are collectively referred to as sliding bearing materials. Common sliding bearing materials include bearing alloy (also known as Babbitt alloy or white alloy), wear-resistant cast iron, copper based and aluminum based alloys, powder metallurgy materials, plastics, rubber, hardwood and carbon graphite, polytetrafluoroethylene (PTFE), modified Polyoxymethylene (POM), etc. 
  • Sliding bearings are generally used in low-speed and heavy-duty working conditions, or in operating parts where maintenance and lubricating oil filling are difficult.
  • Rolling bearing is a kind of precision mechanical element that changes the sliding friction between the running shaft and the shaft seat into rolling friction, so as to reduce the friction loss. Rolling bearing is generally composed of outer ring, inner ring, rolling element and cage. The function of the inner ring is to match with the shaft and rotate with the shaft. 
  • The function of the outer ring is to match with the bearing seat and play a supporting role. The rolling element evenly distributes the rolling element between the inner ring and the outer ring with the help of the cage. Its shape, size and quantity directly affect the service performance and service life of the rolling bearing. The cage can evenly distribute the rolling element to prevent the rolling element from falling off, and the rolling element rotates for lubrication.
  • The rolling bearing has the advantages of convenient use and maintenance, reliable operation, good starting performance and high bearing capacity at medium speed. Compared with sliding bearing, rolling bearing has large radial size, poor damping capacity, low service life and large sound at high speed. 
  • The radial bearing (mainly bearing radial force) in rolling bearing is usually composed of inner ring, outer ring, rolling element and rolling element cage. The inner ring is tightly sleeved on the journal and rotates with the shaft, and the outer ring is installed in the bearing seat hole. 
  • A raceway is arranged on the outer circumference of the inner ring and the inner circumference of the outer ring. When the inner and outer rings rotate relative to each other, the rolling elements roll on the raceway of the inner and outer rings. They are separated by cages to avoid mutual friction. The thrust bearing is divided into two parts: tight ring and movable ring. 
  • The tightening ring is tight with the shaft sleeve, and the movable ring is supported on the bearing seat. The ring and rolling element are usually made of rolling bearing steel with high strength and good wear resistance. The surface hardness after quenching shall reach HRC60 ~ 65. The holder can be made of copper or plastic alloy.

Deep Groove Ball Bearings

Deep Groove Ball Bearings

Deep groove ball bearings are the most common type of rolling bearing. Deep groove ball bearings consist of an outer ring, an inner ring, a set of steel balls and a cage. Deep groove ball bearings are available in single row and double row. Deep groove ball structure is also divided into sealed and open type. Open type refers to bearings without a sealed structure.

As a leading bearing manufacturer and supplier in China, we can provide various types of deep groove ball bearings, imperial thrust ball bearings, as well as support metric and imperial bearing sizes.
Various sizes can also be customised according to the customer’s requirements for the bearings. If required, please email me.

Cooperation Brands

SKF Bearing Price
SKF Deep Groove Ball Bearing
FAG Deep Groove Ball Bearing
ntn
NTN Deep Groove Ball Bearings
timken bearing distributor
TIMKEN Deep Groove Ball Bearing
Koyo
KOYO Deep Groove Ball Bearings
NACHI Deep Groove Ball Bearings
ina
INA Deep Groove Ball Bearings
ubc
UBC Deep Groove Ball Bearings
iko
IKO Deep Groove Ball Bearings
NSK Deep Groove Ball Bearing
fyh
FYH Deep Groove Ball Bearings

Parameters of Deep Groove Ball Bearings

As deep groove ball bearing manufacturers, we can provide all types of deep groove ball bearings. The most common and most easily damaged deep groove ball bearing types and parameters are listed below for your reference

New domestic models Old domestic model Inner diameter (mm) Outer diameter (mm) Width(mm) Cr(kN) Cor(kN) Grease lubrication speed (r/min) Oil lubrication speed (r/min) Weight (kg) View Details
6001 101 12 28 8 5.1 2.38 20000 26000 0.022
6002 102 15 32 9 5.58 2.85 19000 24000 0.03
6003 103 17 35 10 6 3.25 17000 21000 0.04
6000 100 10 26 8 4.58 1.98 22000 30000 0.019
6200 200 10 30 9 5.1 2.38 20000 26000 0.032
6201 201 12 32 10 6.82 3.05 19000 24000 0.037
6202 202 15 35 11 7.65 3.72 18000 22000 0.045
6203 203 17 40 12 9.58 4.78 16000 20000 0.065
6204 204 20 47 14 12.8 6.65 14000 18000 0.106
6205 205 25 52 15 14 7.85 13000 15000 0.128
6300 300 10 35 11 7.65 3.48 18000 24000 0.053
6301 301 12 37 12 9.72 5.08 17000 22000 0.06
6302 302 15 42 13 11.5 5.42 16000 20000 0.082
6303 303 17 47 14 13.5 6.58 15000 18000 0.115
6304 304 20 52 15 15.8 7.88 13000 16000 0.142
6305 305 25 62 17 20.6 11.3 11000 13000 0.232

Product types, designs and variants

Single Row Deep Groove Ball Bearing

single deep groove ball bearings
are the most widely used roller bearing type in the world due to their versatility and comprehensive performance. They are characterised by having deep raceway grooves and the radius of the inner and outer ring arcs is slightly larger than the radius of the ball. They also have non-separable rings. Their straightforward basic design offers a number of advantages.

  • Very suitable for high speeds
  • Good radial load capacity
  • Acceptable axial load capacity in both directions
  • Low torque capacity at start-up and running speeds
  • Can be operated with low noise
  • Little maintenance required

Double row deep groove ball bearing

In terms of design, double row deep groove ball bearings are similar to ball bearing single row deep groove. Their deep, complete raceway grooves are tightly integrated with the balls, enabling the bearings to withstand radial and axial stresses. These ball bearings are ideal for bearing systems when the load carrying capacity of a single row bearing is insufficient. The deep groove double row ball bearing
in the 62 and 63 series are somewhat wider than the single row bearings in the same bore. Two-row deep groove ball bearings can only be used as open type bearings.

Stainless steel deep groove ball bearings

Stainless steel deep groove ball bearings have a higher chemical and corrosion resistance. Like the usual deep groove ball bearings, they are particularly versatile, have low friction and are optimised for low noise and vibration, enabling high speeds to be achieved. They can withstand radial and axial loads in both directions, are easy to mount and require less maintenance than many other types of bearing.

  • Greater chemical and corrosion resistance
  • Simple, versatile and robust design
  • Low friction and high speed capability
  • Withstands radial and axial loads in both directions
  • Requires little maintenance

Miniature deep groove ball bearings

Single row deep groove ball bearings with a ball filling groove have a ball filling groove on both the inner and outer rings, which can accommodate more balls than standard deep groove ball bearings.
Filled slot bearings have a higher radial load carrying capacity than bearings without filled slots, but their axial load carrying capacity is limited. They also cannot operate at the same high speeds as bearings without filled slots.
Deep groove ball bearings with filled slots are available open or with dust caps on one or both sides. They can also be supplied with or without snap ring grooves. Open type bearings with dust caps may also be supplied with recesses in the outer ring.
We can supply large size deep groove ball bearings with ball filling slots without cages on request.

Characteristics of deep groove ball bearings

  1. Easy interchangeability

    Our deep groove bearings are designed as metric bearings, conform to ISO standards and are dimensionally interchangeable with our competitors’ metric products.

  2. Brass cage availability

    Deep groove ball bearings with brass cages (available in selected sizes) provide extra strength and durability under the harshest conditions: extreme shock loads, high vibration and high forces from acceleration.

  3. Motor quality for quiet running

    Deep groove ball bearings are often used in electric motor applications to minimise vibration and noise. To meet our long-established motor quality guidelines, we have designed.

  •    Superfinishing of the raceways to reduce friction
  •     Preferred clearance markings (C3)
  •    High-performance, low-torque and low-noise premium grease

Application of Deep Groove Ball Bearings

Deep groove ball bearings are the most widely used bearing type and are suitable for many different industries. Matching the versatility of many different applications, they are available in a wide range of designs, variants and sizes. The following are examples of applications where deep groove ball bearings may be used.

Aggregate/Concrete/
Mining
Electric Motor Repair
Electric Motor Repair
Machine Tools
Machine Tools
Marine Spares
Marine Spares
Material Handling
Steel Industry
Metal Processing
Food Processing Machinery
Packaging/Food Processing
Paper Converting and Printing
Paper Converting and Printing
Plastic Proccssing and Forming
Plastic Proccssing and Forming
Wind Turbines
Power Generation
Pumps & Compressors
Pump, Compressor and Oil Field
AEROSPACE
Robotics and Automation
RAIL & TRANSIT
RAIL & TRANSIT
Agriculture
Trucks, trailers and buses
Trucks, trailers and buses

Shipping & Package of Deep Groove Ball Bearings

Shipping port: Qingdao/Tianjin
Supply Ability: 100,000 pieces per month
Package:

  1. Plastic bag + single box + carton + plywood pallet
  2. Neutral industrial packaging + neutral carton packaging + pallet
  3. According to customer requirements
Package
Package

Hot Products

Factory and Warehouse Display

SKF,FAG,NSK,KBC, NTN and other brands of bearings and special bearings customized according to customer needs have been produced, packed in boxes in our warehouse, and are waiting to be packaged and delivered to your hands.Please send us the bearing model you need, and we will give you the best deep groove ball bearing price.

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FAQ

Deep groove ball bearings are the most widely used type of bearing and are commonly used. They have low friction and are optimised for low noise and low vibration, resulting in high speeds. They carry radial and axial loads in both directions, are easy to mount and require less maintenance than other types of bearing.

They are available in two designs: single-row deep groove ball bearings and double-row bearings with two ball bearings. They can also be made in different sizes depending on the application and the different loads, from miniature ball bearings for light loads to large and small assemblies of deep groove ball bearings and deep groove ball bearings for heavy loads.

Deruna Bearings offers a wide range of the best deep groove ball bearings and the Instrument range of ball bearings, with over 500 types to choose from. Precision tolerances from ABEC-1 to ABEC-9 are typically available for most miniature products. Typical bore diameters for miniature ball bearings start at 3 mm and have an outside diameter of 10 mm. Customised miniature bearings are available with bearing sizes as small as 1 mm!

single row deep groove ball bearingsceramic deep groove ball bearings
double row deep groove ball bearingshigh-speed deep groove ball bearings
flanged deep groove ball bearingspreloading deep groove ball bearings
miniature deep groove ball bearingsprecision deep groove ball bearings
sealed deep groove ball bearingspaired deep groove ball bearings
hybrid deep groove ball bearingsthin section deep groove ball bearings

The most popular deep groove ball bearings in the market: 6000 series deep groove ball bearings, 6909 deep groove ball bearings, 6901 deep groove ball bearings, 6200 deep groove ball bearings, 608 deep groove ball bearings.

Versions of deep groove ball bearings

  • Single row of main dimensions in accordance with DIN 625-1. Beneficial “all-round bearing”. Versatile.
  • Double row main dimensions in accordance with DIN 625-3. Much higher load carrying capacity than single row bearings, slightly wider.
  • Deep groove ball bearings with flanged outer ring
    Simplified locating bore for axial fixing of the bearing.
  • With groove and snap ring
    Suitable for shape-fitting axial fixing of bearings in bores.
  • Full ball set
    Without cage and maximum number of balls, with a higher load carrying capacity than deep groove ball bearings with cage of the same size.

Deep groove ball bearing material description

  • Ball bearings made of rolling bearing steel
    are extremely economical, can withstand high load ratings and are suitable for temperatures from approx. -10°C to +120°C, if rubber seals are used for long periods up to approx. +100°C. Rolling bearing steel is wear-resistant, vibration-resistant, electrically conductive and magnetic.
  • Stainless steel ball bearings
    Hygienic, corrosion-resistant, lubricated mainly with grease for the food industry, provide high load ratings, are magnetic and can be used in the temperature range from approx. -20°C to +120°C in the case of rubber seals Up to +120°C in the long term
  • Hybrid bearings with ceramic balls and ceramic rings made of stainless steel or rolling bearing steel
    They are subject to less wear and tear than steel ball bearings of similar dimensions. Ceramic balls are currently insulated. Hybrid bearings are lighter than steel ball bearings of the same size, can withstand higher speeds and operate in a temperature range of approx. -20°C to +130°C if the rubber seals are up to approx. +100°C in the long term. Hybrid bearings are magnetic.
  • Ball bearings made of ceramic
    They are hard, corrosion-resistant and durable, and therefore very wear-resistant. They have good emergency running characteristics, are lighter than steel bearings of the same size, are suitable for dry running, are current-insulated, non-magnetic and can be operated at temperatures up to around +160°C. The ceramic material of the balls and the rings are heat-resistant up to approx. +800°C and the cage material up to +160°C.

Deruna Bearings is a professional manufacturer of deep groove ball bearings. Also, we are a professional bearing import and export trading company. We can provide the following miniature bearing manufacturers: NSK deep groove ball bearings, NMB deep groove ball bearings, NTN deep groove ball bearings, Timken deep groove ball bearings, SKF deep groove ball bearings, Koyo deep groove ball bearings.

Deruna has long-standing relationships with the world’s top 20 deep groove ball bearing manufacturers. In addition, our deep groove ball bearings can be customised to suit your needs, so keep this in mind when choosing which products you need to order for your application.

If a deep groove ball bearing sounds like a good fit for your application, or if you have further questions about deep groove ball bearings, be sure to get in touch with us today.

DGBB can withstand axial loads in two directions, while angular contact ball bearings can only withstand axial loads in one direction.

Seals and shields provide additional protection for the bearing components and help to improve and maintain lubrication. In terms of sealing performance, sealed bearings rank best, followed by shielded bearings and finally open bearings. NSK uses supplementary designations D, DU, DW and V (DD, DDU, DDW, VV) for sealed bearings and Z (ZZ) for shielded bearings. No supplementary designations are added for open bearings.

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