Tag Archives: 6202 2rs bearing

China Hot selling 6202 2RS Motor Bearing Deep Groove Ball Bearing bearing driver

Product Description

Product Description

Deep groove ball bearings

Deep groove ball bearings are the most representative of rolling bearings,simple structure, easy to use and versatile .Such bearings are non-separabal bearings,the inner and outer rings are rolled into a ditch arc type,can bear radial load and axial load:low coefficient of friction,high limiting speed ,suitable for high-spped,low noise ,low vibration occasions.
 

Specification

item

value

Type

BALL

Structure

Deep Groove

Applicable Industries

Hotels, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Farms, Retail, Printing Shops, Energy & Mining, Food & Beverage Shops, Advertising Company

Bore Size

 

Model Number

6202

Precision Rating

P0 P6

Seals Type

2RS

Number of Row

Single Row

Place of Origin

China

 

HangZhou

Product name

Deep Grove Ball Bearing

Material

Chrome Steel GCR15

Cage

Steel Cage.copper Cage.nylon Cage

Application

Automotive.tractor.construction Machinery.rolling Mill

Package

Single Box

Feature

Long Life

Certificate

IS9001

Brand Name

  Follow customers’ request

Clearance

C0 C3 C1 C2

Detailed Images

 

Product application

Deep groove balll bearings are widely used in automobiles,machine tools,motors,instrumentation,construction machinery,railway vehicles,agricultural machinery and various equipment industry machinery.

Packing & Delivery

1.industrial packing+industrial cartons+pallets

2.single brand box+brand cartons+pallets

3.follow customer’s requests

A.Plastic Tubes or Single Boxes ( Usually 10pcs in 1 plastic tube for steel bearings);

B.Cartons ( No more than 30kg for 1 carton );

C. Pallet ( Usually more than 400kg totally will use pallet )

 

D. Delivery time :7-35 days ( by sea or by air )
 

 Generally,We will choose the most suitable packing method for products. If you have any special requirements for packing, please contact us in advance.

 

 

 

 

 

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Bore Size: 10 – 180 mm
Precision Rating: P0 P6
Seals Type: 2RS
Brand: Follow Customers Request
Feature: Long Life
Certificate: ISO9001:2000
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

  • Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

  • Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

  • Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

  • Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

  • Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

  • Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Hot selling 6202 2RS Motor Bearing Deep Groove Ball Bearing   bearing driverChina Hot selling 6202 2RS Motor Bearing Deep Groove Ball Bearing   bearing driver
editor by CX 2024-04-03

China factory High Chrome Carbon Bearing Steel Gcr15 Stainless Steel SUS440 95cr18 SUS420 30cr13 6204 6205 608 6003 6202 6001 6004 6302 6303 2RS Zz Deep Groove Ball Bearing bearing and race

Product Description


PRODUCT PICTURES

OUR SERVICES

We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.

 BEARING:
  — Dimensions
  — Material
  — Tolerance standard

APPEARANCE:
  — Logo (Laser Marking)
  — Package Design

40+ YEARS EXPERIENCE 
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.

With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.

We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining.  All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.

OWN HEAT TREATMENT 
CONTROALLABLE COST AND QUALITY.

Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time

We have 6 heat treatment production lines.

Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
 

OUTSTXIHU (WEST LAKE) DIS.  QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.

All our products are characterized by low noise, low friction and long life.  This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.

Our products fully meets the requirements of national and international standards according to the testing result of roughness, roundness, hardness, vibration noise, vibration velocity.

PACKING
PACKAGING THAT HELPS SELL.

1, Inner package
   Corrosion and Dust Proof PE plastic film  / bag packing + Tube packing, or Wrapping  tape for larger bearings.

2, Corrugated Individual Box
   Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
  Corrugated carton + Wooden pallet 

MODERN WELL-ORGANIZED WAREHOUSE

  · Constant temperature (20°C) and humidity (RH 52%) warehouse
  · Hundreds of models on hand, short delivery time.
 

HONOR & SYSTEM CERTIFICATES

EXHIBITION

SAMPLES POLICY 

 FREE SAMPLES AND SHIPPING

 We are happy to send you free samples of our bearings for field   testing. All transportation costs will be paid by us.

 Please note: Depending on the model and value of samples,   this policy may not apply!

 Please contact our sales staff for details.

TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK

PAYMENT TERMS 
To facilitate your payment, we offer a variety of options! 

    
 

FAQ

1, About the lead time.
 
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:

If the model your Preferred is Sufficient stock Lead Time
Regular models YES Within 7 days
Regular models NO Within 30 days
Non-regular model NO About 50 days

For accurate estimate, please contact with our sale stuff. Thanks.

2, Minimum order quantity. 
  

Even just ONE piece of bearing is ok for us.

  
3, If you don’t know which model is the right choice…
  

We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.

4, Factory Inspection

We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.

OPTIONS OF SPECIFICATION AND STHangZhouRD
 

Subject Symbol Description
Sealing & Sealing type Z Metal shield on 1 side.
ZZ Metal shields on both sides.
RS Rubber seal on 1 side.
2RS Rubber seals on both sides.
ZNR Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield
2ZNR Shield on both sides, snap ring groove in the outer ring, with snap ring
ZNBR Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield
Vibration Velocity V Normal vibration level. Is not indicated as a standard.
V1 Lower vibration level than normal.
V2 Lower vibration level than V1.
V3 Lower vibration level than V2.
V4 Lower vibration level than V3.
Tolerances P0(ABEC1) Bearings in standard tolerance
P6(ABEC3) Tighter tolerance than standard bearings
P5(ABEC5) Tolerance tighter than P6
P4(ABEC7) Tolerance tighter than P5
P2(ABEC9) Tolerance tighter than P4
Radial internal clearance C1 Smaller clearance than C2
C2 Smaller clearance than CN
CN(C0) Clearance than normal
C3 Clearance larger than CN
C4 Clearance larger than C3
C5 Clearance larger than C4
Snap Ring Groove N Snap ring groove in the outer ring
NR Snap ring groove in the outer ring, with snap ring
N1 One locating slot in 1 outer ring side face
R Flanged outer ring
Other technical modifications NR Groove with inserted snap ring in outer ring.
N Snap ring groove in the outer ring.
SS Stainless steel.

Cage Materials J Pressed steel cages
M Solid brass cage
F Solid cage made from steel or iron
Y Pressed brass cages.
T Laminated phenolic cages.
TN Polyamide cages
TH Glass-fiber reinforced phenolic resin cages.
TV Polyamide cage
Cage Designs P Window-type cage
H Claw-type cage
A Cage guided on the bearing outer ring
B Cage-guided on the bearing inner ring
S Cage with lubricating slots in the guiding surfaces
D Carbonitriding cage
W Welded cage
R Riveted Cage
Cage Types N/A Claw-type cage
Ribbon cage
Crown cage
Sunflower cage
Tapered cage

PRODUCT PARAMETERS

This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
 

Designation Boundary Dimension (mm) Limiting Speed (rpm) Load Rating (Kn) Weight
Designation Inner Diameter
(d)
Outside Diameter
(D)
Width
(B)
Grease Lubrication Oil Lubrication Dynamic Load
(cr)
Static Load
(cor)
Weight
(kg)
6301 12 17 12 17000 22000 9.72 5.08 0.06
6302 15 42 13 16000 20000 11.5 5.42 0.082
6303 17 47 14 15000 18000 13.5 6.58 0.115
6304 20 52 15 13000 16000 15.8 7.88 0.142
6305 25 62 17 11000 13000 20.6 11.3 0.232
6306 30 72 19 6600 12000 26.7 15 0.346
6307 35 80 21 8500 10000 33.4 19.3 0.457
6308 40 90 23 7000 8500 40.8 24 0.639
6309 45 100 25 6300 7500 52.8 31.8 0.837
6310 50 110 27 6000 7000 61.8 38 1.082
6311 55 120 29 5600 6700 71.5 44.8 1.367
6312 60 130 31 5000 6000 81.8 51.8 1.71
6313 65 140 33 4500 5300 93.8 60.5 2.1
6313 70 150 35 4300 5000 105 68 2.55
6315 75 160 37 4000 4800 113 76.8 3.05
6316 80 170 39 3800 4500 123 86.5 3.61
6317 85 180 41 3600 4300 132 96.5 4.284
6318 90 190 43 3400 4000 145 108 4.97
6319 95 200 45 3200 3800 157 122 5.74
6320 100 215 47 2800 3600 173 140 7.09
6321 105 225 49 2600 3200 184 153 8.05
6322 110 240 50 2400 3000 205 178 9.53
6324 120 260 55 2200 2800 228 208 12.2
6326 130 280 58 2000 2600 253 242 14.77
6328 140 300 62 1900 2400 275 272 18.33
6330 150 320 65 1700 2200 288 295 21.87
6332 160 340 68 1600 2000 313 340 26.43

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Material Option 2: Stainless Steel
MOQ: One Pallet
Seals Options: Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?

Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:

  • Regular Lubrication:

Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.

  • Clean Environment:

Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.

  • Proper Installation:

Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.

  • Regular Inspections:

Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.

  • Temperature Monitoring:

Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.

  • Correct Handling:

Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.

  • Bearing Removal and Replacement:

Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.

  • Alignment Maintenance:

Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.

  • Training and Education:

Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.

  • Documented Records:

Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.

By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China factory High Chrome Carbon Bearing Steel Gcr15 Stainless Steel SUS440 95cr18 SUS420 30cr13 6204 6205 608 6003 6202 6001 6004 6302 6303 2RS Zz Deep Groove Ball Bearing   bearing and raceChina factory High Chrome Carbon Bearing Steel Gcr15 Stainless Steel SUS440 95cr18 SUS420 30cr13 6204 6205 608 6003 6202 6001 6004 6302 6303 2RS Zz Deep Groove Ball Bearing   bearing and race
editor by CX 2024-04-03

China Standard CZPT CZPT Rolamento Bearings 6201 6202 6204 6206 6208 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 Zz 2RS DDU Deep Groove Ball Bearing bearing and race

Product Description

Product Description

NSK CZPT Rolamento Bearings ZZ 2RS DDU Deep Groove Ball Bearing  
are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for
low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions,
are easy to mount, and require less maintenance than other bearing types.

Product name Deep groove ball bearings
Material Bearing Steel
Standard DIN GB ISO JIS
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Service OEM service provided
Delivery time 3-10 days depends on quantity needed

Detailed Photos

 

Product Parameters

6000 series deep groove ball bearings 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
604 4 12 4 960 350 0.571
605 5 14 5 1070 420 0.0037
606 6 17 6 1960 730 0.0069
607 7 19 6 2800 1060 0.0082
608 8 22 7 3290 1360 0.0129
609 9 24 7 3330 1410 0.016
6000 10 26 8 4160 1780 0.019
6001 12 28 8 5110 2380 0.571
6002 15 32 9 5590 2840 0.03
6003 17 35 10 6000 3250 0.039
6004 20 42 12 9390 5571 0.069
6005 25 47 12 10060 5860 0.08
6006 30 55 13 11900 7460 0.12
6007 35 62 14 16210 10420 0.16
6008 40 68 15 17030 11700 0.19
6009 45 75 16 21080 14780 0.25
6571 50 80 16 22000 16260 0.26
6011 55 90 18 31500 18400 0.39
6012 60 95 18 30000 23000 0.42
6013 65 100 18 32000 25000 0.44
6014 70 110 20 38000 31000 0.6
6015 75 115 20 38000 31000 0.64
6016 80 125 22 47500 40000 0.85
6017 85 130 22 47500 40000 0.89
6018 90 140 24 63800 59000 1.15
6019 95 145 24 66700 62300 1.2
6571 100 150 24 72500 70000 1.25
6200 Series Miniature Deep Groove Ball Bearing    
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
624 4 13 5 1150 400 0.0032
625 5 16 5 1880 680 0.0051
626 6 19 6 2800 1060 0.
627 7 22 7 3290 1360 0.0131
628 8 24 8 3330 1410 0.017
629 9 26 8 4160 1780 0.0191
6200 10 30 9 5110 2380 0.032
6201 12 32 10 6180 3060 0.037
6202 15 35 11 7450 3700 0.045
6203 17 40 12 9560 4780 0.065
6204 20 47 14 12840 6650 0.11
6205 25 52 15 14571 7930 0.13
6206 30 62 16 19460 11310 0.2
6207 35 72 17 25670 15300 0.29
6208 40 80 18 29520 181400 0.37
6209 45 85 19 32500 20400 0.41
6210 50 90 20 35000 32300 0.46
6211 55 100 21 43500 29200 0.61
6212 60 110 22 52500 36000 0.78
6213 65 120 23 57200 45710 0.99
6214 70 125 24 62000 44000 1.05
6215 75 130 25 66000 49500 1.2
6216 80 140 26 72500 53000 1.4
6217 85 150 28 83500 64000 1.8
6218 90 160 30 96000 71500 2.15
6219 95 170 32 109000 82000 2.6
6220 100 180 34 122000 93000 3.15

 

Packaging & Shipping

 

Company Profile

 

 

Our Advantages

Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 

SAMPLES
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to
    pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
 

FAQ

1.What is the minimum order quantity for this product?
    Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales,
    most customers’orders are more than 1 ton.
2.What is your latest delivery time?
    Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
    Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
    High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
    Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by
    customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
    Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
    Please send us an inquiry or message and leave your other contact information, such as phone number,
     account or account, we will contact you as soon as possible and provide the detailed information you need.
       Please feel free to contact us, if you have any other question

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

  • Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

  • Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

  • Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

  • Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

  • Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China Standard CZPT CZPT Rolamento Bearings 6201 6202 6204 6206 6208 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 Zz 2RS DDU Deep Groove Ball Bearing   bearing and raceChina Standard CZPT CZPT Rolamento Bearings 6201 6202 6204 6206 6208 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 Zz 2RS DDU Deep Groove Ball Bearing   bearing and race
editor by CX 2024-01-11

China 6200 6201 6202 6203 6204 6205 ZZCM 2RS C3 bearing Deep groove ball bearing with Hot selling

Type: BALL
Structure: Deep Groove
Applicable Industries: Machinery Repair Shops
Bore Size: 2 – 10 mm
Model Number: 6202
Precision Rating: P0 P6 P5 P4 P2
Seals Type: OPEN ZZ 2RS RS
Number of Row: Single row
Material: Chrome Steel GCR15
Clearance: C0,C2,C3
Certificate: ISO9001
Feature: High Speed
Service: OEM Customized Services
Packaging Details: 1. Industrial Exporting Package with anti-tarnish paper/Carton/Pallet 2. Individual Paper Box/Carton/Pallet 3. As the clients’ requirement
Port: HangZhou/ZheJiang /ZheJiang /HangZhou

Product parameter All types of bearings, ball bearings, needle roller bearings, tapered roller bearings, rod-end spherical plain bearings. Material: Carbon steel, chrome steel, stainless steel,Ceramic.

Bearing Number Bore Type Bore DiameterOutside Diameter Inner WidthOuter WidthWeight
mmKg
W208PPB7Round 30.178030.18180.64
W208PPB2Round 38.1138042.96180.721
W208PPB23Round 38.1138042.9630.180.681
W209PPB2Round 458530.1830.180.653
W209PPB4Round 398530.1830.180.748
W210PPB2Round 49.239030.1830.180.708
W210PPB5Round 45.349030.1830.180.794
W211PPB2Round 55.5810033.3433.340.966
W214PPB2Round 7012539.6939.691.796
W214PPB9Round 7012544.45281.796
Please consult us for any bearings unlisted here.
Product show
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More product Company Profile
Founded in May 1979, the year when China began its open policy, we are a stated owned comprehensive enterprise combining “industry & trading, technology & trading”. In 2002, our company changed from state-owned company to private owned company. Backed up by strong economic power, advanced facilities & technology, and huge production capability of many factories, Xinguang has been developing rapidly in business since its foundation; establish long- term and friendly relationship with numerous customers from most areas of the world. Now, our employees are more than 60, in which half of them are engineers. Probably what makes us different from other trading companies is that we have a unique staff of both businessmen and experienced mechanical engineers, who have been working in the industry for years. This feature of us acts an essential role in quality management, cost control, and service performance.
certificate

What is a bushing?

What is a bushing? Basically, bushings are spherical or spherical bearings for machines with sliding or rotating shaft assemblies. Due to their excellent load-carrying capacity and anti-friction properties, these bushings are used in almost all industrial applications. This makes them useful in industries such as construction, mining, agriculture, transportation, hydropower, food processing and material handling.
bushing

Shell information

The demand for bushings is closely related to the global transformer market. Growing renewable energy sources and high replacement rates of aging grid infrastructure are driving the global demand for transformer bushings. Increased urbanization is another factor driving the demand for transformer bushings. Among global regions, Asia Pacific is the largest market for medium voltage transformer bushings. The following section provides a detailed analysis of the market.
Bulk-type bushings are used for lower voltage ratings and consist of a center conductor stud or tube and an insulator housing. They are available in dry or oil filled versions, and their oil content is shared with the transformer main tank. However, the trend is slowly turning towards RIP bushings. Regardless of how different types of bushings are used, it is important to understand the difference between them.
A recent CZPT survey indicated that bushings account for 17% of all transformer failures. Among them, 30% caused fire accidents and 10% caused explosions. This is not a small risk, especially for such important electrical components as transformers. Because casing is so important, utilities are increasingly looking to preventative maintenance. However, this requires continuous monitoring of the bushing and its insulation. There are many benefits to using online condition monitoring.
One of the main benefits of locating and replacing faulty bushings is improved operability and safety. If you notice that your car is unstable in the corners, your bushings are worn. Anti-roll bar bushings can also be a sign of bushing damage. Do not ignore these warning signs as they can have dangerous consequences. To avoid these potential problems, make sure to get your vehicle serviced as soon as you notice any of these symptoms.
Be sure to park your vehicle on a level surface before you start changing your car bushings. You may need to unlock the hood latch and apply the brakes before continuing. Then, open the valve cover. This will allow you to see the engine area and bushings. You should also check that the wheels are not moving and avoid placing sharp objects in the engine bay. If you have time, open the hood and if you can see the bushings, turn on the headlights.
bushing

type

There are various types of bushings, each serving a different purpose. Oil-filled types are the most common and are designed for vertical installations. On the other hand, the embedded ferrule can accommodate the connection to the wire leads in the lower end of the ferrule. This feature significantly reduces the length of the sump end of the casing, but also adds additional complexity and cost.
There are two basic types of bushings. The first is a solid pour and the second is a capacitive graded variety. Solid cast bushings are typically used for low voltage transformer windings, while gas insulated bushings are insulated with pressurized gas. Gas-insulated bushings are also used in SF6 circuit breakers. If you are in the market for a new bushing, be sure to consider its cantilever strength and design.
Electrical bushings are an important part of various electrical equipment. They help carry high-voltage current through the enclosure and act as an insulator between a live conductor and a metal body at ground potential. Bulk-type bushings consist of a central conductive rod (usually copper or aluminum) and an insulator (silicone rubber compound or composite resin) surrounding the rod.
Transformers require transformer bushings. The construction and materials used in the bushing play a key role in the durability and longevity of the transformer. Transformers with weak bushings can fail, causing extensive damage. Moisture or voids can cause insulation breakdown, resulting in extensive electrical damage. Appropriate materials and optimized construction can reduce electric field stress and extend the life of the bushing.
Capacitor grading bushings are more expensive and are used in almost all high voltage systems. They use a conductive layer within the insulating layer between the center conductor and the insulator. Different manufacturers use different materials to produce these bushings. Earlier, capacitor grading bushings were made of concentric ceramic cylinders with metallized surfaces. They are also made from laminated cardboard tubes with conductive layers.

Function

A bushing is a support member that performs its function by acting as a washer and reducing noise and vibration. Bushings are used in valve covers and are made of corrosion-resistant materials to perform these functions. These products can be found in all types of machinery from cars to airplanes. Below are some common uses for bushings. Read on to discover more. Here are some of the most important features of the shell.
Electrical bushings transmit electricity. They can be used in circuit breakers, transformers, power capacitors and shunt reactors. The conductors of the bushing can be built directly into the bushing or through the bushing. Both current and voltage represent electricity. The bushing must have insulation capable of withstanding the voltage and its current-carrying conductors must be capable of carrying the rated current without overheating the adjacent insulation.
The bushing wraps around the stem, which is a relatively simple replacement part. It is a hardened part that prevents leaks and improves sealing. Plus, its low-cost replacement makes it a very easy-to-machine part. Bushings are also used in valves for guiding purposes. These two features make bushings an important part of many machines and applications. So, learn more about them.
Copper and brass are commonly used bushing materials. They have high compressive strength and high surface pressure. This material is suitable for bearings in low speed situations and heavy duty applications. Copper and brass are the most common types of casings, and they are both made in China. They are all relatively inexpensive and are available in a variety of materials and sizes. If you are considering purchasing a casing, keep in mind that it must meet national standards.
bushing

cost

Whether you’re looking for a replacement bushing for your rear suspension or just need to replace the fork, you have a few different options. The two main types of bushings are coated and uncoated. If you want to save money on bushing replacements, you should consider getting a cheaper lower fork. Whether you’re replacing bushings to improve ride quality or prevent damage to your wheel loader, you’ll find a bushing replacement option that fits your budget.
While most cars are compatible with bushings, some iconic parts from premium brands like BMW and Mercedes require special tools to replace. If you are not confident in your mechanical abilities, consider hiring a mechanic to do it. Mechanical replacement bushings typically range from $200 to $500. If you’re comfortable with mechanics and have some mechanical knowledge, you can save money by trying the job yourself. For example, control arm bushings range in price from $20 to $80. It is important to check the alignment after replacing the bushing to avoid further damage.
Control arm bushing replacements are usually relatively inexpensive, but you may need to replace several at the same time. You should check the prices of several mechanics before making a decision. You can easily save between $50 and $100 by comparing quotes. Plus, you’ll save a lot of money by finding the right mechanic for the job. You can also use an online comparison tool to compare prices. You can find a mechanic that suits your needs at an affordable price.
Control arm bushings are also an inexpensive way to replace parts of a car’s front or rear suspension. Typically, control arm bushings are made of two metal cylinders covered with a thick layer of rubber. They wear out due to accidents, potholes and off-roading. They are mounted with a bolt that goes through the inner barrel. It is important to replace these bushings as often as needed to improve operation.

China 6200 6201 6202 6203 6204 6205 ZZCM 2RS C3 bearing Deep groove ball bearing     with Hot sellingChina 6200 6201 6202 6203 6204 6205 ZZCM 2RS C3 bearing Deep groove ball bearing     with Hot selling
editor by czh