Product Description
| Specifications of Bearing |
SKF CZPT CZPT CZPT Taper Roller Bearing Deep Groove Ball Bearing Cylindrical Roller Bearing Spherical Roller Bearing
1.CZPT Bearing – CZPT to carry high loads
2.With carbon steel ball bearing
3.CZPT Bearing – With a high load-bearing capacity
4.More quietly than metal roller bearings
5.CZPT Ball Bearing – Low noise, stable performance and durable
6.CZPT Bearing – Able to work in sub-zero temperatures and have low rolling resistance
7.CZPT Ball Bearing – Suitable for countless applications:Sliding doors, windows and other furnitures
We offer large quantity of deep groove ball bearings every month, following is our specifications.
1) Material Used:
GCr15_China/ (AISI) 52100_American/ (Din) 100Cr6_Germany;
2) Types Specialized:
6000, 6200, 6300Series, with ZZ, 2RS, OPEN available;
3) Dimension Range:
D (ID): 3-50mm; D(OD): 10-110mm; B(Width): 4-27mm;
4) Clearance:
C2, C0, C3, C4, C5;
5) Tolerance:
ABEC1, ABEC3, ABEC5 (P0, P6, P5);
6) Vibration:
Z1V1, Z2V2, Z3V3;
7) Application:
Motorcycles, Electric Bicycles, Electric Motors (Scooters), Electric Tools, Fans, Sports Apparatus, Washing Machines, Dust Collectors,
Ventilators, Textile Machines, Running Machines (Treadmills), Household Appliances, Water Pumps, Agricultural Machines, Precision Machineries, etc.
Our products are mainly exported to Mideast, India, Pakistan, Canada, Southeast Asia, South America, Singapore, South Korea and other countries all over the world. We have reliable quality and quantity products to provide. We implement the CZPT principle and take the slogan as “the best quality, the best credit and the best service”
Brand Name: NSK, NTN, SKF, TIMKEN, KOYO, IKO, NACHI, HRB
Our company insists on the “quality first, credit first” business ideas and our product specification iswell-founded. We have a good reputation in the international market by our perfect service and sufficient supply.
| Parameters of Bearing |
| Deep groove ball bearing vibration value clearance national standards |
|||||||||||
| Bearing Designation | Size(mm) | Vibration value standard decibels (Db) | Clearance standard (um) without load | ||||||||
| d×D×W | Z | Z1 | Z2 | Z3 | Z4 | C1 | C2 | C3 | C4 | C5 | |
| 6000 | 10 × 26 × 8 | 43 | 42 | 38 | 33 | 0-7 | 2-13 | 8-23 | 14-29 | 20-37 | |
| 6001 | 12 × 28 × 8 | 44 | 43 | 39 | 34 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 | |
| 6002 | 15 × 32 × 9 | 45 | 44 | 40 | 35 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 | |
| 6003 | 17 × 35 × 10 | 46 | 44 | 40 | 35 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 | |
| 6004 | 20 × 42 × 12 | 47 | 45 | 41 | 36 | 0-10 | 5-20 | 13-28 | 20-36 | 28-48 | |
| 6005 | 25 × 47 × 12 | 48 | 46 | 42 | 38 | 1-11 | 5-20 | 13-28 | 23-41 | 30-53 | |
| 6006 | 30 × 55 × 13 | 49 | 47 | 43 | 39 | 1-11 | 5-20 | 13-28 | 23-41 | 30-53 | |
| 6007 | 35 × 52 × 17 | 51 | 49 | 45 | 41 | 1-11 | 6-23 | 15-33 | 28-46 | 40-64 | |
| 6008 | 40 × 68 × 15 | 53 | 51 | 45 | 42 | 1-11 | 6-23 | 15-33 | 28-46 | 40-64 | |
| 6009 | 45 × 75 × 16 | 55 | 53 | 48 | 45 | 1-11 | 6-23 | 18-36 | 30-51 | 45-73 | |
| 6571 | 50 × 80 × 16 | 57 | 54 | 50 | 47 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 | |
| 6011 | 55 × 90 × 18 | 59 | 56 | 52 | 49 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 | |
| 6012 | 60 × 95 × 18 | 61 | 58 | 54 | 51 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 | |
| 6013 | 65 × 100 × 18 | 49 | 48 | 46 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 | ||
| 6014 | 70 × 110 × 20 | 50 | 49 | 47 | 1-15 | 10-30 | 25-51 | 46-71 | Oct-65 | ||
| 6015 | 75 × 115 × 20 | 51 | 50 | 48 | 1-15 | 10-30 | 25-51 | 46-71 | Oct-65 | ||
| 6200 | 10 × 30 × 9 | 44 | 42 | 39 | 35 | 30 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6201 | 12 × 32 × 10 | 45 | 43 | 39 | 35 | 30 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6202 | 15 × 35 × 11 | 46 | 44 | 41 | 36 | 31 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6203 | 17 × 40 × 12 | 47 | 45 | 41 | 36 | 31 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6204 | 20 × 47 × 14 | 48 | 46 | 42 | 38 | 33 | 0-10 | 5-20 | 13-28 | 20-36 | 28-48 |
| 6205 | 25 × 52 × 15 | 49 | 47 | 43 | 40 | 36 | 0-11 | 5-20 | 13-28 | 23-41 | 30-53 |
| 6206 | 30 × 62 × 16 | 50 | 48 | 44 | 41 | 37 | 0-11 | 5-20 | 13-28 | 23-41 | 30-53 |
| 6207 | 35 × 72 × 17 | 52 | 50 | 46 | 43 | 39 | 0-11 | 6-23 | 15-33 | 28-46 | 40-64 |
| 6208 | 40 × 80 × 18 | 54 | 52 | 47 | 44 | 40 | 1-11 | 6-23 | 15-33 | 28-46 | 40-64 |
| 6209 | 45 × 85 × 19 | 56 | 54 | 49 | 46 | 43 | 1-11 | 6-23 | 18-36 | 30-51 | 45-73 |
| 6210 | 50 × 90 × 20 | 58 | 55 | 51 | 48 | 45 | 1-11 | 6-23 | 18-36 | 30-51 | 45-73 |
| 6211 | 55 × 100 × 21 | 60 | 57 | 53 | 50 | 47 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 |
| 6212 | 60 × 110 × 22 | 62 | 59 | 54 | 52 | 48 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 |
| 6213 | 65 × 120 × 23 | 50 | 49 | 47 | 42 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 | |
| 6214 | 70 × 125 × 24 | 51 | 50 | 48 | 43 | 1-15 | 10-30 | 25-51 | 46-71 | Oct-62 | |
| 6215 | 75 × 130 × 25 | 52 | 51 | 49 | 44 | 1-15 | 10-30 | 25-51 | 46-71 | Oct-62 | |
| 6300 | 10 × 35 × 11 | 46 | 44 | 40 | 37 | 32 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6301 | 12 × 37 × 12 | 47 | 45 | 40 | 37 | 32 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6302 | 15 × 42 × 13 | 48 | 46 | 42 | 38 | 33 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6303 | 17 × 47 × 14 | 49 | 47 | 42 | 38 | 33 | 0-9 | 3-18 | 11-25 | 18-33 | 25-45 |
| 6304 | 20 × 52 × 15 | 50 | 48 | 43 | 39 | 34 | 0-11 | 5-20 | 13-28 | 20-36 | 28-48 |
| 6305 | 25 × 62 × 17 | 51 | 49 | 44 | 41 | 37 | 1-11 | 5-20 | 13-28 | 23-41 | 30-53 |
| 6306 | 30 × 72 × 19 | 52 | 50 | 45 | 42 | 38 | 1-11 | 5-20 | 13-28 | 23-41 | 30-53 |
| 6307 | 35 × 80 × 21 | 54 | 52 | 47 | 44 | 40 | 1-11 | 6-23 | 15-33 | 28-46 | 40-64 |
| 6308 | 40 × 90 × 23 | 56 | 54 | 49 | 45 | 41 | 1-11 | 6-23 | 15-33 | 28-46 | 40-64 |
| 6309 | 45 × 100 × 25 | 58 | 56 | 51 | 47 | 44 | 1-11 | 6-23 | 18-36 | 30-51 | 45-73 |
| 6310 | 50 × 110 × 27 | 60 | 57 | 53 | 49 | 46 | 1-11 | 6-23 | 18-36 | 30-51 | 45-73 |
| 6311 | 55 × 120 × 29 | 62 | 59 | 54 | 51 | 48 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 |
| 6312 | 60 × 30 × 31 | 64 | 61 | 56 | 53 | 50 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 |
| 6313 | 65 × 140 × 33 | 51 | 50 | 48 | 43 | 1-15 | 8-28 | 23-43 | 38-61 | 55-90 | |
| 6314 | 70 × 150 × 35 | 52 | 51 | 49 | 44 | 1-15 | 10-30 | 25-51 | 46-71 | Oct-65 | |
| 6315 | 75 × 160 × 37 | 53 | 52 | 50 | 45 | 1-15 | 10-30 | 25-51 | 46-71 | Oct-65 | |
| Our Main Products |
| Our Company |
HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples.
All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.
Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.
If you are interested in any of our bearings or have an intention to order, please feel free to contact us.
| FAQ |
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 mix different standard bearings.
2.MOQ: 5000 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.
SUPORT
Please visit our Clunt bearings website, we strongly encourge that you can communicate with us through email,thanks! /* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 0 |
|---|---|
| Aligning: | Deep Groove |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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.

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.

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.


editor by CX 2024-04-23
China Standard Good Flanged Ball Bearing 608 Z609 760211 F608zz 6001 6088 6011 6025 607 6062 6056 Bearing bearing block
Product Description
| Specifications of Bearing |
608 2rs c3 abec 9 bearing dimensions deep groove ball bearings catalogue:
1> Types:600,620,680,690,6000,6200,MR series
2> Corresponding types:604-609,623-629,680-689,693-698,6000,6001,6002,6200,6201,6202
3> Material used:GCr15-China,440C-American,9Cr18-China
4> Shield/cap:open bearing,Z.ZZ,RS,2RS,
5> Keeper:iron,nylon,
6> Vibration and noise level:Z1,Z2,Z3
7> Precision level:P0,P6,P5,P4(ABEC-1,ABEC-3,ABEC-5,ABEC-7
8> OEM Serves or Not: yes , we have been providing OEM service for 5 years
9> Application:available to air-condition,caccum cleaners,oil&smoker exhausters,washing machines,textile machinery,medical equimpment,electric tools,axial flow fans,motorcycles,automobiles,instruments,spoots equimpment,printing machinery,,computer,fishing gears,elevating equimpment,office equimpment,and other machinery and equimpment.
10> Quality:ISO9001:2000
Specifications of deep groove ball bearing 608ZZ
| Product name | bearing 608 |
| Dimension | 8*22*7 mm |
| Brand name | OEM |
| Material | chrome steel |
| Weight | 12 g |
| Hardness | 58~62 |
| Quality standard | SGS ISO9001 |
| Parameters of Bearing |
| Item No. | Boundary Dimensions(mm) | Basic load ratings(Lbf) | Weight(Lb.) | ||||
| d | D | B | Dynamic | Static | |||
| OPEN | ZZ/2RS | Cr | Cor | ||||
| 603 | 3 | 9 | 3 | 5 | 128.14 | 35.97 | 0.00198 |
| 604 | 4 | 12 | 4 | 4 | 218.06 | 80.93 | 0.00462 |
| 605 | 5 | 14 | 5 | 5 | 292.25 | 110.16 | 0.0077 |
| 606 | 6 | 17 | 6 | 6 | 508.07 | 166.36 | 0.01276 |
| 607 | 7 | 19 | 6 | 6 | 526.05 | 200.08 | 0.01672 |
| 608 | 8 | 22 | 7 | 7 | 741.87 | 303.49 | 0.0264 |
| 609 | 9 | 24 | 7 | 7 | 764.35 | 325.97 | 0.571 |
| 623 | 3 | 10 | 4 | 4 | 143.88 | 49.46 | 0.0044 |
| 624 | 4 | 13 | 5 | 5 | 294.5 | 110.16 | 0.0066 |
| 625 | 5 | 16 | 5 | 5 | 395.66 | 152.87 | 0.0088 |
| 626 | 6 | 19 | 6 | 6 | 526.05 | 198.96 | 0.0176 |
| 627 | 7 | 22 | 7 | 7 | 753.11 | 314.73 | 0.0308 |
| 628 | 8 | 24 | 8 | 8 | 899.23 | 357.44 | 0.571 |
| 629 | 9 | 26 | 8 | 8 | 1571.88 | 438.38 | 0.571 |
| Our Main Products |
| Our Company |
HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples.
All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions.
Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied.
If you are interested in any of our bearings or have an intention to order, please feel free to contact us.
| FAQ |
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 mix different standard bearings.
2.MOQ: 5000 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.
SUPORT
Please visit our Clunt bearings website, we strongly encourge that you can communicate with us through email,thanks!
| Contact Angle: | 0 |
|---|---|
| Aligning: | Deep Groove |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

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.


editor by CX 2023-11-07
China NSK/Koyo/NTN/F-a-G Deep Groove Ball Bearing 607 609 6201 6203 6205 6301 6303 6305 Machine Parts Bearing wholesaler
Product Description
NSK/Koyo/NTN/F-a-G Deep Groove Ball Bearing Machine Parts Bearing
Product Description
Deep groove ball bearings 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 bearing |
| Material | Bearing Steel |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Standard | DIN GB ISO JIS |
| Application Area | Mining/metallurgy/agriculture/chemical industry/textile/machinery |
| Delivery time | 3-10 days depends on quantity needed |
Features and Benefits:
1. Low friction and running temperatures, low noise, and vibration
2. High running speeds
3. High quality and performance capabilities for your application
4. Accommodate radial loads and axial loads in both directions
5. Available with a variety of greases for most conditions, including food quality grease, high-temperature grease, and Solid Oil
6. Increased reliability and provide long bearing and lubricant service life
Applications:
Electric motors and generators
Agriculture
Material handling
Industrial transmissions
Food and beverage
Industrial pumps
Industrial fans
Two and 3 wheelers
Cars and light trucks
| 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 |
Company Profile
Founded in 2006, ZheJiang XUANYE Precision Machinery Co., Ltd. covers an area of 88,850 square meters. Now the company has fixed assets over several hundred millions and in-service employees 500. As a late-model that incorporates research and development, manufacture as well as sales, the annual output of the company reaches to 3 million sets of bearings and its annual output value is more than 28 million yuan.
The company has strong technical force, excellent equipment and complete testing instruments. At present, the company has more than 400 sets of professional production equipment, 9 production lines of numerical control turning, 5 production lines of atmosphere-protecting automatic heat treating and 12 production lines of precision grinding. In addition, it has a professional calibrating and measuring center and more than 300 sets of detecting instruments. All of its products are under the inspection of National Quality Supervision and Inspection Center for Bearing.
The company has a state-level enterprise technology center and a number of provincial high-tech enterprises with strong technical strength. The company’s own brand “FAK” was honored as the most competitive brand in the market.
“Customers first and reputation first” are the permanent vision of XUANYE. We would like to serve the customers around the world with our trustworthy products, reasonable price and attentive service. The leading products of the company cover 3 main categories which include more than 8,000 types of bearing products.
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 3-10 days of payment being received.
3.Does your company have quality assurance?
Yes, for 2 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
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
###
| Samples: |
US$ 2.8/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Product Name | deep groove ball bearing |
| Material | Bearing Steel |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Standard | DIN GB ISO JIS |
| Application Area | Mining/metallurgy/agriculture/chemical industry/textile/machinery |
| Delivery time | 3-10 days depends on quantity needed |
###
| 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 | 0.0023 |
| 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 | 0.022 |
| 6002 | 15 | 32 | 9 | 5590 | 2840 | 0.03 |
| 6003 | 17 | 35 | 10 | 6000 | 3250 | 0.039 |
| 6004 | 20 | 42 | 12 | 9390 | 5020 | 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 |
| 6010 | 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 |
| 6020 | 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 | 0.0086 |
| 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 | 14020 | 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 | 40100 | 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 |
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
###
| Samples: |
US$ 2.8/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Product Name | deep groove ball bearing |
| Material | Bearing Steel |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Standard | DIN GB ISO JIS |
| Application Area | Mining/metallurgy/agriculture/chemical industry/textile/machinery |
| Delivery time | 3-10 days depends on quantity needed |
###
| 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 | 0.0023 |
| 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 | 0.022 |
| 6002 | 15 | 32 | 9 | 5590 | 2840 | 0.03 |
| 6003 | 17 | 35 | 10 | 6000 | 3250 | 0.039 |
| 6004 | 20 | 42 | 12 | 9390 | 5020 | 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 |
| 6010 | 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 |
| 6020 | 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 | 0.0086 |
| 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 | 14020 | 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 | 40100 | 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 |
Types of Ball Bearings
There are many types of Ball Bearings available on the market, but which one is best for your application? Here, we will discuss the differences between Angular contact, Single-row, High-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the center of each. These races are important in keeping the balls contained within the cylinder. They also provide a groove-baed pathway.
Ceramic
The ceramic ball used in ball bearings has many advantages. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits longer fatigue life. All of these factors make the ceramic ball a good choice for many applications. But, how do you know if a ceramic ball bearing is right for your application? Read on to discover why ceramic ball bearings are a better choice than steel or stainless steel ones.
The ceramic balls are 40% more dense than steel. This means less centrifugal force is generated on the bearing, which suppresses heat generation. Because of this reduced friction, ceramic bearings are more efficient at transferring energy. Compared to steel bearings, ceramic balls have longer life spans. Nonetheless, these ceramic balls aren’t as strong as steel. Therefore, it is important to understand the limitations of the ceramic ball bearing before buying one.
The ceramic materials used for ball bearings are resistant to micro-welding. Metals undergo this process when imperfections in the surfaces interact. Eventually, this results in a brittle ball that reduces the life of a bearing. Unlike metals, ceramic materials have a stable behavior at high temperatures and exhibit less thermal expansion. This means that they can be used for applications where lubrication isn’t an option.
While steel balls can easily absorb contaminants and foreign particles, the ceramic ball is insensitive to this, and doesn’t require lubrication. This means they’re not susceptible to corrosion and other common problems. These are just a few reasons why ceramics are a better choice. This technology has a wide range of uses. It’s easy to see why it is so popular. If you’re looking for a new bearing for your application, be sure to contact an AST Applications Engineer. They can analyze your operating conditions and potential failure modes.
Angular contact
An Angular Contact Ball Bearing (also known as an angular-contact bearing) has an axial component that is generated when radial loads are applied. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also available with Super Finished Raceways to reduce noise and improve lubricant distribution. Angular contact ball bearings have various design units, such as bore size, outer diameter, and outer ring width.
A single-row angular contact bearing has a radial contact angle that is equal to the angular distance between the two rings. Double-row angular bearings are designed for two-way thrust capability. These types of bearings can be purchased at Grainger and other online retailers. A typical angular contact bearing will last up to a million revolutions. They are often used in industrial angular contact bearings.
Single-row angular contact ball bearings feature a set contact angle. These bearings can support radial and axial loads, but they can’t withstand high speeds. Single-row angular contact ball bearings may also have one or two shoulders relieved. Thrust load is a pressure placed on the bearing when it is installed in an assembly, and it is used to create an angle between the races.
Angular contact ball bearings come in single and double-row configurations. They differ in the axial load they can carry and the type of lubrication they use. Angular contact ball bearings are ideal for high-speed applications and can accommodate both radial and axial loads. The type of contact and lubrication used in angular-contact ball bearings depends on the intended use for the bearing.
High-carbon steel
Carbon steel is a low-alloy and high-carbon steel used in bearings. This material provides superior strength and fatigue properties for ball and roller bearings. Its mechanical properties are ideal for applications where the temperature is less than 400 degrees Fahrenheit. High-carbon steel is also used to make bearing components for chrome steel bearings. These types of steels are softer than chrome steel but provide superior durability in applications where the material is exposed to severe conditions.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a variety of automotive, commercial, and semi-precision applications. In addition to automotive applications, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are used in bearings. They can be purchased in a variety of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated varieties for decorative purposes.
In order to determine whether a ball bearing is made of high-carbon steel, the material must be tested for its hardness. An ordinary pocket magnet will work well, but an ordinary rare earth magnet isn’t powerful enough to measure the hardness. If it attracts the magnet strongly, the metal is steel, while a weak magnet indicates a non-ferrous material. A hardness test requires a special microhardness test.
A lower-carbon steel is another option. Some miniature bearing manufacturers use a material with less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. After being heat-treated, it develops smaller carbides, resulting in superior low-noise characteristics and the same corrosion-resistance as 440C. These materials are a less expensive alternative than chrome steel, but they are often less durable than chrome alloy steel.
Single-row
Single-row angular contact ball bearings accommodate axial loads in one direction. These are normally adjusted against a second bearing. Unlike other ball bearings, they are non-separable and contain an upper and lower shoulder. Single-row ball bearings are made of Chromium Steel (GCr15) which is heat-treated to achieve high uniform hardness and excellent wear resistance. They are the most commonly used type of bearings in the world.
Because of the angular contact between the radial plane and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A higher a, the greater the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are ideal for high axial loads. However, they have limited preload capabilities and must be installed in pairs. Hence, they are best used for applications where axial forces must be distributed.
Single-row ball bearings can be pre-lubricated and have steel shields. They are also available with rubber seals or snap rings on the outside edge. They are available with various retainers, including pressed steel cages, plastic shields, and rubber seals. A tapered bore is also available upon request. They are ideal for applications where space is limited. The 6200 series of bearings are especially well suited for electrical motors, dental hand tools, and optical encoders.
Single-row angular contact ball bearings are widely used for axial loads. The outer and inner rings have slightly larger radii than the balls. These bearings can accommodate high speeds and low torque. They can also be supplied with different grease levels. If grease is needed, you can choose a lubricant that has different characteristics depending on the application. They are easy to install and maintain. However, they are not recommended for adjacent mounting.
Plastic
A plastic ball bearing is a highly versatile component that can be mounted in a variety of components, including wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The inner ring can be made of a shaft or polymer. The integrated design of a plastic ball bearing helps to reduce assembly time and cost. Here are some of the benefits of this type of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have less magnetic properties than steel balls, making them the best option for applications requiring low weight and noise. Glass balls are also lighter than stainless steel balls, making them the ideal metal-free choice. They are also very corrosion-resistant, which makes them a great choice for some applications. In addition to being lightweight, polymer ball bearings are also quiet. And because of their low weight, plastic ball bearings are ideal for applications that require fast speed.
Another advantage of plastic bearings is their ability to withstand high temperatures. This material is also abrasion and corrosion-resistant. It meets FDA and USDA acceptance requirements. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Aside from being extremely durable and flexible, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and ultra high molecular weight polyethylene. Nonetheless, plastics have limitations, and these materials may be damaged by extreme temperatures or cold flow under heavy loads.
Other advantages of plastic ball bearings include their low density, high hardness and low friction coefficient, and ability to withstand heat and corrosion. Ceramics are also lightweight, non-conductive, and have superior resistance to friction. These products can withstand temperatures up to 1,800 degrees Fahrenheit. If you’re in the market for a plastic ball bearing, it’s important to choose the right type of material. And if you’re looking for a high-quality bearing, look no further.


editor by czh 2022-11-25