Product Description
Product Parameters
| Model | Category | RTS/Custom | Size(mm) d*D*H (mm) |
Precision grade | Seal Type | Number of Row | Application |
| 6201 | Deep Groove Ball Bearing | RTS | 10*30*9mm | P0 P2 P4 P5 P6 | OPEN ZZ 2RS RS | Single | Machinery |
| Material | Material of Balls | Lubrication | Vibration | Clearance | Hardness | Deliery Time | Packing |
| Chrome Steel GCr15 | Chrome Steel GCr15 | Grease or Oil | Standard Vibration Z1/Z2/Z3/Z4/V1/V2/V3/V4 |
Standard Clearance C0/C2/C3/C4/C5 |
HRC60-65 | <=50000,3 <=100000,5 |
Single Box+Cartons+Pallet |
Product Description
Detailed Photos
Our business:Produce and customize various bearing brands. (Packaging and logo can be customized. All copyright belongs to the customer. We promise not to disclose any information.)
Product Series
| Bearing type | Boundary Dimensions( mm ) | Speed Rating(ipm) | Load Rating(kn) | Weight(kg) | ||||
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| 6200 | 10 | 30 | 9 | 20000 | 26000 | 5.1 | 2.38 | 0.032 |
| 6201 | 12 | 32 | 10 | 19000 | 24000 | 6.82 | 3.05 | 0.037 |
| 6202 | 15 | 35 | 11 | 18000 | 22000 | 7.65 | 3.72 | 0.045 |
| 6203 | 17 | 40 | 12 | 16000 | 20000 | 9.58 | 4.78 | 0.065 |
| 6204 | 20 | 47 | 14 | 14000 | 18000 | 12.8 | 6.65 | 0.106 |
| 6205 | 25 | 52 | 15 | 13000 | 15000 | 14 | 7.85 | 0.128 |
| 6206 | 30 | 62 | 16 | 11000 | 13000 | 19.5 | 11.3 | 0.199 |
| 6207 | 35 | 72 | 17 | 9200 | 11000 | 25.7 | 15.4 | 0.288 |
| 6208 | 40 | 80 | 18 | 8000 | 10000 | 29.5 | 18 | 0.368 |
| 6209 | 45 | 85 | 19 | 7000 | 9000 | 31.5 | 20.5 | 0.416 |
| 6210 | 50 | 90 | 20 | 6700 | 8500 | 35 | 23.2 | 0.463 |
| 6211 | 55 | 100 | 21 | 6000 | 7500 | 43.5 | 29.2 | 0.6 |
| 6212 | 60 | 110 | 22 | 5600 | 7000 | 47.8 | 32.8 | 0.78 |
| 6213 | 65 | 120 | 23 | 5000 | 6300 | 57.2 | 40 | 0.99 |
| 6214 | 70 | 125 | 24 | 4800 | 6000 | 60.5 | 45 | 1.08 |
| 6215 | 75 | 130 | 25 | 4500 | 5600 | 66 | 49.5 | 1.17 |
| 6216 | 80 | 140 | 26 | 4300 | 5300 | 71.5 | 54.5 | 1.44 |
| 6217 | 85 | 150 | 28 | 4000 | 5000 | 83 | 63.8 | 1.8 |
| 6218 | 90 | 160 | 30 | 3800 | 4800 | 95.8 | 71.5 | 2.17 |
| 6219 | 95 | 170 | 32 | 3600 | 4500 | 108 | 81.5 | 2.61 |
| 6220 | 100 | 180 | 34 | 3400 | 4300 | 122 | 92.8 | 3.2 |
| 6221 | 105 | 190 | 36 | 3200 | 4000 | 133 | 105 | 3.78 |
| 6222 | 110 | 200 | 38 | 3000 | 3800 | 144 | 117 | 4.42 |
| 6224 | 120 | 215 | 40 | 2600 | 3400 | 155 | 131 | 5.3 |
| 6226 | 130 | 230 | 40 | 2400 | 3200 | 165 | 148 | 6.12 |
| 6228 | 140 | 250 | 42 | 2000 | 2800 | 179 | 167 | 7.77 |
| 6230 | 150 | 270 | 45 | 1900 | 2600 | 203 | 199 | 9.78 |
| 6232 | 160 | 290 | 48 | 1800 | 2400 | 215 | 218 | 12.22 |
| 6234 | 170 | 310 | 52 | 1700 | 2200 | 245 | 260 | 15.24 |
| 6236 | 180 | 320 | 52 | 1600 | 2000 | 262 | 285 | 15.51 |
| 6238 | 190 | 340 | 55 | 1500 | 1900 | 285 | 322 | 18.691 |
| 6240 | 200 | 360 | 58 | 1400 | 1800 | 288 | 332 | 22.577 |
| 6244 | 220 | 400 | 65 | 1200 | 1600 | 355 | 365 | 36.5 |
| 6248 | 240 | 440 | 72 | 1000 | 1400 | 358 | 467 | 53.9 |
| 6252 | 260 | 480 | 80 | 800 | 1200 | 390 | 530 | 68.3 |
| 6256 | 280 | 500 | 80 | 700 | 1000 | 423 | 600 | 75.3 |
| 6260 | 300 | 540 | 85 | 500 | 800 | 462 | 670 | 85.6 |
| 6264 | 320 | 580 | 92 | 300 | 600 | 527 | 800 | 93.7 |
| 6268 | 340 | 620 | 92 | 200 | 400 | 559 | 900 | 108.4 |
| 6272 | 360 | 650 | 95 | 100 | 200 | 597 | 1000 | 120 |
Type Of Deep Groove Ball Bearing
1. Deep Groove Ball Bearing With Dust Cover
Generally Used In The Single Lubrication Is More Difficult, The Placement Of Lubricating Oil And Check The Lubrication Is Not Convenient Conditions, Usually Injected Into The Bearing Rust, Lubrication Dual-Purpose Lithium Grease Is 1/4 To 1/3 Of The Bearing Internal Space.
2. Deep Groove Ball Bearing With Sealing Ring
Its Performance, Grease Filling, Use And Bearing With Dust Cover Are Basically The Same, The Difference Is That There Is A Large Gap Between The Dust Cover And The Inner Ring, And The Sealing Lip And The Inner Ring Of The Non-Contact Seal Ring Is Small, There Is No Gap Between The Sealing Lip And The Inner Ring Of The Contact Seal Ring Bearing, The Sealing Effect Is Good, But The Friction Coefficient Has Increased.
3, There Are Stop Groove And Deep Groove Ball Bearings With Stop Ring
In Addition To The Function Of Bearing Radial Load, The Deep Groove Ball Bearing With The Stop Ring Can Also Limit The Axial Displacement Of The Bearing, Simplify The Structure Of The Bearing Seat And Reduce The Bearing Size. Generally Used In Cars, Tractors And Other Axial Load Is Not Large Working Parts.
4. Deep Groove Ball Bearing With Ball Filling Gap
There Are Notches In The Inner And Outer Rings On One Side, From Which More Balls Can Be Loaded, Increasing Its Radial Load Capacity. However, Due To The Small Axial Load Capacity, It Can Not Run At High Speed. If There Is A Large Axial Load, It Needs To Be Used With The General Deep Groove Ball Bearing.
Packaging & Shipping
Company Profile
Exhibitions&Partners
FAQ
Q:Are you trading company or manufacturer?
–We are the company dealing in trading business and manufacturing business.
Q:What’s the MOQ?
–MOQ is 2pcs for standardized products; 300pcs for customized products. There is no MOQ for sample orders.
Q:How long is the lead time?
–The lead time for sample orders is 1-3 days, for bulk orders is generally in 3-15 days.The delivery time is generally in 2 days after payment. It’s according to the order amount.
Q:Do you offer free samples?
–If you place an order, we can return part of sample fee even all of fee to you. It also depends on the quantity of order and the type of sample. And you just need to pay freight.
Q: Could you customized for me?
–Sure,we can supply OEM service as per your drawing or samples.
/* May 10, 2571 16:49:51 */!function(){function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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.
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.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by lmc 2024-11-14
China Best Sales Four Point Contact 011.60.2240 Slewing Ball Bearing carrier bearing
Product Description
Slewing ring bearing is also called slewing ring, slewing bearing, turntable bearing, and rotary bearing.
Slewing ring bearing is a bearing that CZPT to bear axial load, radial load and overturning torque. Under normal circumstances, slewing ring bearings have their own mounting holes, lubricant holes and seal holes, to meet the different needs of the various host working under the various conditions;
On the other hand, slewing ring bearing itself has characteristics of compact structure, CZPT rotating convenient, easy to install and maintaining easily.
1.Gear Heat Treatment
2. Structure
2.1 Slewing ring bearings have different types as per different structures, here below is what we offering now:
Single row ball slewing ring bearings
Double row ball slewing ring bearings
Crossed roller slewing ring bearings
Three row roller slewing ring bearings
Flange slewing ring bearings
2.2 The above slewing ring bearings can also be divided into 3 different types as per different transmissions:
Slewing ring bearings with no gear
Slewing ring bearings with external gear
Slewing ring bearings with internal gear
3. Features:
Slewing ring bearings have more features: compact structure, reliable guide, simple installation, and easily maintenance
4. Application:
Slewing ring bearings can be widely used in lifting & transport machinery, mining machinery, construction machinery, port hoisting machinery, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, steel plant, electronic power plant, wind power generator, other construction and industry machines or equipments and other large rotary device
Single row ball slewing ring bearing:
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
The single row ball slewing ring bearing is composed of 2 seat-rings. The balls contact with the circular race at 4 points, via which the axial force, radial force and resultant moment may be born simultaneously.
2.2. Structure
Slewing ring bearings have different types as per different structures, here below is what we offering now:
Single row ball slewing bearing has 3 different types:
Single row ball slewing bearing with no gear
Single row ball slewing bearing with external gear
Single row ball slewing bearing with internal gear
Single row ball slewing ring bearing
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
The single row ball slewing ring bearing is composed of 2 seat-rings. The balls contact with the circular race at 4 points, via which the axial force, radial force and resultant moment may be born simultaneously.
2. Structure
Slewing ring bearings have different types as per different structures, here below is what we offering now:
Single row ball slewing bearing has 3 different types:
Single row ball slewing bearing with no gear
Single row ball slewing bearing with external gear
Single row ball slewing bearing with internal gear
3. Features
Single row ball slewing ring bearings have following features:
Compact in structure and light in weight.
4. Application:
Single row ball slewing ring bearings are widely used in slewing conveyers, welding arm and positioned, medium duty cranes, excavators and other engineering machines
Double row ball slewing ring bearing:
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
The double row ball slewing bearing has 3 seat-rings. The steel balls and the retainers may be directly arranged into the upper and lower racers. Two rows of steel balls with different diameters are fitted according to the force. Such open type fitting is extraordinary convenient, the loading angels at upper and lower races are 90°which can carry both of the axial force and capsizing moment. When the radial force is larger than 1/10 of the axial force, the races should be newly designed.
2. Structure:
Double row ball slewing bearing has 3 different types:
Double row ball slewing bearing with no gear
Double row ball slewing bearing with external gear
Double row ball slewing bearing with internal gear
3. Features:
Double row ball slewing ring bearings have following features:
Larger dimension of axial and radial and compact structure.
4. Application:
Double row ball slewing ring bearings are widely used in Tower cranes which require working radius over medium range, auto crane and loading (unloading) machinery.
Double row ball slewing ring bearing:
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
The double row ball slewing bearing has 3 seat-rings. The steel balls and the retainers may be directly arranged into the upper and lower racers. Two rows of steel balls with different diameters are fitted according to the force. Such open type fitting is extraordinary convenient, the loading angels at upper and lower races are 90°which can carry both of the axial force and capsizing moment. When the radial force is larger than 1/10 of the axial force, the races should be newly designed.
2. Structure:
Double row ball slewing bearing has 3 different types:
Double row ball slewing bearing with no gear
Double row ball slewing bearing with external gear
Double row ball slewing bearing with internal gear
3. Features:
Double row ball slewing ring bearings have following features:
Larger dimension of axial and radial and compact structure.
4. Application:
Double row ball slewing ring bearings are widely used in Tower cranes which require working radius over medium range, auto crane and loading (unloading) machinery.
Crossed roller slewing ring bearing
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
With the cross roller Ring, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90° groove, separated from each other by a spacer retainer. This design allows just 1 bearing to receive loads in all directions including, radial, axial and moment loads. Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the inner and outer rings, it is optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, medical equipment, measuring instruments and IC manufacturing machines.
2. Structure:
Cross roller slewing bearing has 3 different types:
Cross roller ball slewing bearing with no gear
Cross roller ball slewing bearing with external gear
Cross roller ball slewing bearing with internal gear
3. Features
Cross roller slewing ring bearings have following features:
1. High precision: cross roller bearings can be made high precision bearings, at P4, P2.
2. High rigidity: These series roller bearings are with preload.
3. High load capacity: This series roller bearing can support axial load, radial load, and tilting load.
4. Small volume: this series roller bearing can save space for the machine.
4. Application
Cross roller slewing rings are widely applied in the precision rotary table, rotary joint of manipulator, medical equipment, and measuring instrument etc
Triple row roller slewing ring bearing
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
Three row roller slewing ring bearing has 3 seat-rings, which separate the upper, lower and radial raceway, via which the load of each row of the rollers may be specified. Thus it can carry different load simultaneously and its load capacity is the largest 1 of the 4 types
2. Structure:
Triple row roller slewing bearing has 3 different types:
Triple row roller slewing bearing with no gear
Triple row roller slewing bearing with external gear
Triple row roller slewing bearing with internal gear
3. Features
Triple row roller slewing ring bearings have following features:
Larger axial and radial dimension, compact structure
4. Application
Triple row roller slewing rings are widely used in heavy-duty machines which require large working radius, such as bucket-wheel excavators, wheeled cranes, ship cranes, ladle turret, auto cranes etc.
Flange Slewing Bearing
1.Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
Flange slewing bearing is a special slewing ring bearing, it can have 1 flange in the outer ring, or 1 flange in the inner ring, even it can have 1 flange in both inner ring and outer ring.
2. Structure:
Flange slewing bearing has 3 different types:
Flange slewing bearing with no gear
Flange slewing bearing with external gear
Flange slewing bearing with internal gear
3. Features
Flange slewing bearings have following features:
Compact structure and easily installment.
4. Application
Flange slewing bearings are widely used in tow truck, and other applications are the same as slewing bearings, such as lifting & transport machinery, mining machinery, construction machinery, excavator, concrete machine, paper machine, plastic and rubber machine and steel plant.
Excavator Slewing Bearing
Excavator slewing bearing is a special slewing ring bearing as per its applications. And it is a very important part for excavators, we can supply excavator slewing bearings for both second-hand excavators for maintenance and new excavators.
2. Structure:
Excavator slewing bearing are usually made as per single row ball slewing bearing structure, and most of them are internal gear types, but some are external gear types.
3. Features
Excavator slewing bearings have familiar features as single row ball slewing ring bearings.
Compact structure, light weight and easily installment.
4. Application
Excavator slewing bearings are widely used for all brands of excavators, such as Hitachi, Kobelco, Sumitomo, Doosan, Hyundai, Samsung, , Daewoo, Kato, CZPT and so on.
The suitable temperature and working environment for slewing bearing
The slewing bearing produced by our company can work normally at -300C.~+ 700C. If users need to adapt to lower or higher temperature support, our engineering technicians can design for you. If the slewing bearing are used in particularly hostile environment, such as Marine c1imate, dust or CZPT particles (dust, cement, coal powder) etc. Special sealing rings, protective devices, and proper oil paths must be selected. Therefore, we hope users to do the daily maintenance work to make your slewing bearing function normally
The suitable temperature and working environment for slewing bearing
The slewing bearing produced by our company can work normally at -300C.~+ 700C. If users need to adapt to lower or higher temperature support, our engineering technicians can design for you. If the slewing bearing are used in particularly hostile environment, such as Marine c1imate, dust or CZPT particles (dust, cement, coal powder) etc. Special sealing rings, protective devices, and proper oil paths must be selected. Therefore, we hope users to do the daily maintenance work to make your slewing bearing function normally
Installation of slewing bearing
1.Handling and transportation .The slewing bearing must be handled carefully
.Transportation and storage of slewing bearing should be held horizontally and stored in a dry room
.For hoisting lift bolt is suitable and please move it horizontally , do not hit anything, especially the direction collision
.The slewing bearing surface is covered with antitrust agent, whose rust proof life is usually 6 months For those whose storage
life of more than 6 months (such as accessories) should take the antitrust package or other storage measures again
2.Installing support requirements .Generally, install matching support adopts tubular structure , the cylinder’s wall should be better
aligned at the center of the raceway
/* 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
| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant |
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Single-Row |
| Roller Type: | Spherical Raceway |
| Material: | Bearing Steel |
| Samples: |
US$ 1/Set
1 Set(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.
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.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-05-17
China high quality 6801-RS 12*21*5mm Single Row Thin-Walled Deep Groove Ball Bearings for Mechanical Equipment carrier bearing
Product Description
6800 series deep groove ball bearings
Product Description
Deep Groove Ball Bearings
Deep groove ball bearing
This is the most widely used ball bearing type. Trapped between the 2 races is a ring of balls that transmit the load and allows rotational motion between the 2 races. The balls are held in place by a retainer.
They have very low rolling friction and are optimized for low noise and low vibration. This makes them ideal for high-speed applications.
They are comparatively easy to install and require minimal maintenance. Care must be taken during installation to prevent denting of the races as they have to be push fit CZPT shafts.6800 series deep groove ball bearings
Detailed Photos
Product Parameters
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 603 | 3 | 0.1181 | 9 | 0.3543 | 3 | 0.1181 | 5 | 0.1181 | 0.2 | 0.008 | 486 | 223 | 0.0014 |
| 604 | 4 | 0.1575 | 12 | 0.4724 | 4 | 0.1575 | 4 | 0.1575 | 0.2 | 0.008 | 960 | 350 | 0.571 |
| 605 | 5 | 0.1969 | 14 | 0.5512 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1070 | 420 | 0.0037 |
| 606 | 6 | 0.2362 | 17 | 0.6693 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 1960 | 730 | 0.0069 |
| 607 | 7 | 0.2756 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2800 | 1060 | 0.0082 |
| 608 | 8 | 0.3150 | 22 | 0.8661 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3290 | 1360 | 0.0129 |
| 609 | 9 | 0.3543 | 24 | 0.9449 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3330 | 1410 | 0.0160 |
| 6000 | 10 | 0.3937 | 26 | 1.5716 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 4160 | 1780 | 0.0190 |
| 6001 | 12 | 0.4724 | 28 | 1.1571 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 5110 | 2380 | 0.5710 |
| 6002 | 15 | 0.5906 | 32 | 1.2598 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 5590 | 2840 | 0.0300 |
| 6003 | 17 | 0.6693 | 35 | 1.3780 | 10 | 0.3937 | 10 | 0.3937 | 0.3 | 0.012 | 6000 | 3250 | 0.0390 |
| 6004 | 20 | 0.7874 | 42 | 1.6535 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 9390 | 5571 | 0.0690 |
| 6005 | 25 | 0.9843 | 47 | 1.8504 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 10060 | 5860 | 0.0800 |
| 6006 | 30 | 1.1811 | 55 | 2.1654 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 11900 | 7460 | 0.1160 |
| 6007 | 35 | 1.3780 | 62 | 2.4409 | 14 | 0.5512 | 14 | 0.5512 | 1 | 0.039 | 16210 | 10420 | 0.1150 |
| 6008 | 40 | 1.5748 | 68 | 2.6677 | 15 | 0.5906 | 15 | 0.5906 | 1 | 0.039 | 17030 | 11700 | 0.1920 |
| 6009 | 45 | 1.7717 | 75 | 2.9528 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 21080 | 14780 | 0.2450 |
| 6571 | 50 | 1.9685 | 80 | 3.1496 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 22000 | 16260 | 0.2610 |
| 60/22 | 22 | 0.8661 | 44 | 1.7323 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 9400 | 5050 | 0.0740 |
| 60/28 | 28 | 1.1571 | 52 | 2.571 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 12500 | 7400 | 0.0980 |
| 60/32 | 32 | 1.2598 | 58 | 2.2835 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 15100 | 9150 | 0.1290 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 623 | 3 | 0.1181 | 10 | 0.3937 | 4 | 0.1575 | 4 | 0.1575 | 0.15 | 0.006 | 640 | 220 | 0.0016 |
| 624 | 4 | 0.1575 | 13 | 0.5118 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1150 | 400 | 0.0032 |
| 625 | 5 | 0.1969 | 16 | 0.6299 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1880 | 680 | 0.0051 |
| 626 | 6 | 0.2362 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2800 | 1060 | 0. |
| 627 | 7 | 0.2756 | 22 | 0.8661 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3290 | 1360 | 0.0131 |
| 628 | 8 | 0.3150 | 24 | 0.9449 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 3330 | 1410 | 0.0170 |
| 629 | 9 | 0.3543 | 26 | 1.5716 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 4160 | 1780 | 0.0191 |
| 6200 | 10 | 0.3937 | 30 | 1.1811 | 9 | 0.3543 | 9 | 0.3543 | 0.6 | 0.571 | 5110 | 2380 | 0.0320 |
| 6201 | 12 | 0.4724 | 32 | 1.2598 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 6180 | 3060 | 0.571 |
| 6202 | 15 | 0.5906 | 35 | 1.3780 | 11 | 0.4331 | 11 | 0.4331 | 0.6 | 0.571 | 7450 | 3700 | 0.0450 |
| 6203 | 17 | 0.6693 | 40 | 1.5748 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 9560 | 4780 | 0.0650 |
| 6204 | 20 | 0.7874 | 47 | 1.8504 | 14 | 0.5512 | 14 | 0.5512 | 1 | 0.039 | 12840 | 6650 | 0.1060 |
| 6205 | 25 | 0.9843 | 52 | 2.571 | 15 | 0.5906 | 15 | 0.5906 | 1 | 0.039 | 14571 | 7930 | 0.1280 |
| 6206 | 30 | 1.1811 | 62 | 2.4409 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 19460 | 11310 | 0.1990 |
| 6207 | 35 | 1.3780 | 72 | 2.8346 | 17 | 0.6693 | 17 | 0.6693 | 1.1 | 0.043 | 25670 | 15300 | 0.2880 |
| 6208 | 40 | 1.5748 | 80 | 3.1496 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.043 | 29520 | 18140 | 0.3660 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 633 | 3 | 0.1181 | 13 | 0.5118 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1300 | 485 | 0.0034 |
| 634 | 4 | 0.1575 | 16 | 0.6299 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1880 | 680 | 0.0054 |
| 635 | 5 | 0.1969 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2810 | 1060 | 0.0089 |
| 636 | 6 | 0.2362 | 22 | 0.8661 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3290 | 1360 | 0.0145 |
| 637 | 7 | 0.2756 | 26 | 1.5716 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 3340 | 1410 | 0.5718 |
| 638 | 8 | 0.3150 | 28 | 1.1571 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 4160 | 1780 | 0.0303 |
| 639 | 9 | 0.3543 | 30 | 1.1811 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 5120 | 2390 | 0.571 |
| 6300 | 10 | 0.3937 | 35 | 1.3780 | 11 | 0.4331 | 11 | 0.4331 | 0.6 | 0.571 | 7640 | 3470 | 0.571 |
| 6301 | 12 | 0.4724 | 37 | 1.4567 | 12 | 0.4724 | 12 | 0.4724 | 1 | 0.039 | 9700 | 4190 | 0.0600 |
| 6302 | 15 | 0.5906 | 42 | 1.6535 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 11400 | 5430 | 0.0820 |
| 6303 | 17 | 0.6693 | 47 | 1.8504 | 14 | 0.5512 | 14 | 0.5512 | 1 | 0.039 | 13580 | 6580 | 0.1150 |
| 6304 | 20 | 0.7874 | 52 | 2.0742 | 15 | 0.5906 | 15 | 0.5906 | 1.1 | 0.043 | 15940 | 7880 | 0.1490 |
| 6305 | 25 | 0.9843 | 62 | 2.4409 | 17 | 0.6693 | 17 | 0.6693 | 1.1 | 0.043 | 22380 | 11490 | 0.2320 |
| 6306 | 30 | 1.1811 | 72 | 2.8346 | 19 | 0.7480 | 19 | 0.7480 | 1.1 | 0.043 | 27000 | 15200 | 0.3490 |
| 63/22 | 22 | 0.8661 | 56 | 2.2047 | 16 | 0.6299 | 16 | 0.6299 | 1.1 | 0.043 | 18400 | 9250 | 0.1760 |
| 63/28 | 28 | 1.1571 | 68 | 2.6772 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.043 | 26800 | 14000 | 0.2870 |
| 63/32 | 32 | 1.2598 | 75 | 2.9528 | 20 | 0.7874 | 20 | 0.7874 | 1.1 | 0.043 | 30000 | 16200 | 0.3820 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 683 | 3 | 0.1181 | 7 | 0.2756 | 2 | 0.0787 | 3 | 0.1181 | 0.1 | 0.004 | 420 | 135 | 0.571 |
| 684 | 4 | 0.1575 | 9 | 0.3543 | 2.5 | 0.0984 | 4 | 0.1575 | 0.1 | 0.004 | 480 | 170 | 0.571 |
| 685 | 5 | 0.1969 | 11 | 0.4331 | 3 | 0.1181 | 5 | 0.1969 | 0.15 | 0.006 | 770 | 320 | 0.0019 |
| 686 | 6 | 0.2362 | 13 | 0.5118 | 3.5 | 0.1378 | 5 | 0.1969 | 0.15 | 0.006 | 1080 | 440 | 0.0571 |
| 687 | 7 | 0.2756 | 14 | 0.5512 | 3.5 | 0.1378 | 5 | 0.1969 | 0.15 | 0.006 | 1170 | 510 | 0.0030 |
| 688 | 8 | 0.3150 | 16 | 0.6299 | 4 | 0.1575 | 5 | 0.1969 | 0.2 | 0.008 | 1250 | 590 | 0.0038 |
| 689 | 9 | 0.3543 | 17 | 0.6693 | 4 | 0.1575 | 5 | 0.1969 | 0.2 | 0.008 | 1330 | 660 | 0.0440 |
| 6800 | 10 | 0.3937 | 19 | 0.7480 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1590 | 750 | 0.0050 |
| 6801 | 12 | 0.4724 | 21 | 0.8268 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1910 | 1040 | 0.0060 |
| 6802 | 15 | 0.5906 | 24 | 0.9449 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 2070 | 1250 | 0.0070 |
| 6803 | 17 | 0.6693 | 26 | 1.5716 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 2130 | 1360 | 0.0080 |
| 6804 | 20 | 0.7874 | 32 | 1.2598 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3480 | 2230 | 0.0190 |
| 6805 | 25 | 0.9843 | 37 | 1.4567 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3680 | 2630 | 0.5710 |
| 6806 | 30 | 1.1811 | 42 | 1.6535 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4000 | 3150 | 0.0260 |
| 6807 | 35 | 1.3780 | 47 | 1.8504 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4270 | 3600 | 0.5710 |
| 6808 | 40 | 1.5748 | 52 | 2.571 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4410 | 3890 | 0.0330 |
| 6809 | 45 | 1.7717 | 58 | 2.2835 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4590 | 4330 | 0.0400 |
| 6810 | 50 | 1.9685 | 65 | 2.5591 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 6610 | 6080 | 0.0520 |
| 6811 | 55 | 2.1654 | 72 | 2.3846 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 8530 | 8080 | 0. 0571 |
| 6812 | 60 | 2.3622 | 78 | 3.0709 | 10 | 0.3937 | 10 | 0.3937 | 0.3 | 0.012 | 9200 | 8760 | 0.1060 |
| 6813 | 65 | 2.5591 | 85 | 3.3465 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 1571 | 9420 | 0.1250 |
| 6814 | 70 | 2.7559 | 90 | 3.5433 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 1571 | 10090 | 0.1350 |
| 6815 | 75 | 2.9528 | 95 | 3.7402 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 11230 | 1571 | 0.1450 |
| 6816 | 80 | 3.1496 | 100 | 3.9370 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 11320 | 11080 | 0.1550 |
| 6817 | 85 | 3.3465 | 110 | 4.3307 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 17599 | 18300 | 0.2650 |
| 6818 | 90 | 3.5433 | 115 | 4.5276 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 17853 | 18961 | 0.2800 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 6819 | 95 | 3.7402 | 120 | 4.7244 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.0390 | 18089 | 19616 | 0.2980 |
| 6820 | 100 | 3.9370 | 125 | 4.9213 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.0390 | 18340 | 20266 | 0.3110 |
| 6821 | 105 | 4.1339 | 130 | 5.1181 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.0390 | 18912 | 20924 | 0.3250 |
| 6822 | 110 | 4.3307 | 140 | 5.5118 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.0390 | 28100 | 30700 | 0.5100 |
| 6824 | 120 | 4.7244 | 150 | 5.9055 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.0390 | 28900 | 32900 | 0.5490 |
| 6826 | 130 | 5.1181 | 165 | 6.4961 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.0430 | 37900 | 42900 | 0.7900 |
| 6828 | 140 | 5.1181 | 175 | 6.8898 | 18 | 0.7087 | 18 | 0.7087 | 1 | 0. 0571 | 38200 | 44300 | 0.9900 |
| 6830 | 150 | 5.9055 | 190 | 7.4803 | 20 | 0.7874 | 20 | 0.7874 | 1 | 0. 0571 | 49100 | 57100 | 1.5000 |
| 6832 | 160 | 6.2992 | 200 | 7.8740 | 20 | 0.7874 | 20 | 0.7874 | 1 | 0. 0571 | 49600 | 59100 | 1.7000 |
| 6834 | 170 | 6.6929 | 215 | 8.4646 | 22 | 0.8661 | 22 | 0.8661 | 1 | 0. 0571 | 61500 | 73300 | 1.9000 |
| 6836 | 180 | 7.0866 | 225 | 8.8582 | 22 | 0.8661 | 22 | 0.8661 | 1 | 0. 0571 | 62300 | 75900 | 2.0000 |
| 6838 | 190 | 7.4803 | 240 | 9.4480 | 24 | 0.9449 | 24 | 0.9449 | 1.5 | 0.0590 | 75100 | 91600 | 2.1000 |
| 6840 | 200 | 7.8740 | 250 | 9.8425 | 24 | 0.9449 | 24 | 0.9449 | 1.5 | 0.0590 | 74200 | 91200 | 2.3800 |
| 6844 | 220 | 8.6614 | 270 | 10.6299 | 24 | 0.9499 | – | – | 1.5 | 0.0590 | 76400 | 97800 | 2.7900 |
| 6848 | 240 | 9.4488 | 300 | 11.8110 | 28 | 1.1571 | – | – | 2 | 0.0787 | 83500 | 108000 | 4.5000 |
| 6852 | 260 | 10.2362 | 320 | 12.5984 | 28 | 1.1571 | – | – | 2 | 0.0787 | 95000 | 128000 | 4.8500 |
| 6856 | 280 | 11.5716 | 350 | 13.7795 | 33 | 1.2992 | – | – | 2 | 0.0787 | 135000 | 178000 | 7.6000 |
| 6860 | 300 | 11.8110 | 380 | 14.9606 | 38 | 1.4960 | – | – | 2 | 0.0787 | 162000 | 222000 | 11.0000 |
| 6864 | 320 | 12.5984 | 400 | 15.7480 | 38 | 1.4960 | – | – | 2 | 0.0787 | 168000 | 235000 | 12.0000 |
| 6872 | 360 | 14.1732 | 440 | 17.3228 | 38 | 1.4960 | – | – | 2.5 | 0.0984 | – | – | 12.2000 |
| 6876 | 380 | 14.9606 | 480 | 18.8976 | 46 | 1.8110 | – | – | 2.5 | 0.0984 | 168000 | 235000 | 20.5000 |
| 6880 | 400 | 15.7480 | 500 | 19.6850 | 46 | 1.8110 | – | – | 2.5 | 0.0984 | – | – | 21.7000 |
| 6884 | 420 | 16.5354 | 520 | 20.4724 | 46 | 1.8110 | – | – | 2.5 | 0.1377 | 251000 | 425000 | 22.0000 |
| 6888 | 440 | 17.3228 | 540 | 21.2598 | 46 | 1.8110 | – | – | 2.5 | 0.0984 | – | – | 24.0000 |
| 6892 | 460 | 18.1102 | 580 | 22.8346 | 56 | 2.2047 | – | – | 3 | 0.1181 | – | – | 33.5000 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 693 | 3 | 0.1181 | 8 | 0.3150 | 3 | 0.1181 | 4 | 0.1575 | 0.15 | 0.006 | 430 | 170 | 0.0008 |
| 694 | 4 | 0.1575 | 11 | 0.4331 | 4 | 0.1575 | 4 | 0.1575 | 0.15 | 0.006 | 960 | 350 | 0.0017 |
| 695 | 5 | 0.1969 | 13 | 0.5118 | 4 | 0.1575 | 4 | 0.1575 | 0.2 | 0.008 | 1070 | 420 | 0.571 |
| 696 | 6 | 0.2362 | 15 | 0.5906 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1470 | 600 | 0.0036 |
| 697 | 7 | 0.2756 | 17 | 0.6693 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1600 | 710 | 0.0050 |
| 698 | 8 | 0.3150 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2230 | 910 | 0.0076 |
| 699 | 9 | 0.3543 | 20 | 0.7874 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2480 | 1090 | 0.0085 |
| 6900 | 10 | 0.3937 | 22 | 0.8661 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2690 | 1270 | 0.5710 |
| 6901 | 12 | 0.4724 | 24 | 0.9449 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2890 | 1460 | 0.0120 |
| 6902 | 15 | 0.5906 | 28 | 1.1571 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4320 | 2250 | 0.0180 |
| 6903 | 17 | 0.6693 | 30 | 1.1811 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4590 | 2550 | 0.0190 |
| 6904 | 20 | 0.7874 | 37 | 1.4567 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 6370 | 3680 | 0.0380 |
| 6905 | 25 | 0.9843 | 42 | 1.6535 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 6660 | 4180 | 0.0440 |
| 6906 | 30 | 1.1811 | 47 | 1.8504 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 7240 | 5571 | 0.0500 |
| 6907 | 35 | 1.3780 | 55 | 2.1654 | 10 | 0.3543 | 10 | 0.3937 | 0.6 | 0.571 | 10390 | 7160 | 0.7500 |
| 6908 | 40 | 1.5748 | 62 | 2.4409 | 12 | 0.3937 | 12 | 0.4724 | 0.6 | 0.571 | 13571 | 9200 | 0.1180 |
| 6909 | 45 | 1.7717 | 68 | 2.6772 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 13490 | 10130 | 0.1280 |
| 6910 | 50 | 1.9685 | 72 | 2.8346 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 13900 | 1571 | 0.1330 |
| 6911 | 55 | 2.1654 | 80 | 3.1496 | 13 | 0.4724 | 13 | 0.5118 | 1 | 0.039 | 14820 | 12690 | 0.1770 |
| 6912 | 60 | 2.3622 | 85 | 3.3465 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 15080 | 13480 | 0.1910 |
| 6913 | 65 | 2.5591 | 90 | 3.5433 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 19950 | 17490 | 0.2000 |
| 6914 | 70 | 2.7559 | 100 | 3.9370 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 25950 | 21850 | 0.3270 |
| 6915 | 75 | 2.9528 | 105 | 4.1339 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 26780 | 23560 | 0.3450 |
| 6916 | 80 | 3.1496 | 110 | 4.3307 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 27590 | 25280 | 0.3630 |
| 6917 | 85 | 3.3465 | 120 | 4.7244 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.043 | 31900 | 29700 | 0.5170 |
Product Applications
Company Profile
ZheJiang Jieyi Bearing Co., Ltd. is a more than 10-year history of bearing trading company. We are located in the biggest bearing town in China–Yiandian Town.
Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings, Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings, Trust Roller Bearings and Special Bearings.
Jieyi Bearing has advanced quality testing and inspecting equipment, to guarantee product quality meets customers’ demand. Annually our company′ S export over 10 million dollars.
To service dear customers at the fastest speed, we built a great Warehouse to stock bearings, so as to ship your required bearings fast. Inside of the bearing warehouse, there is all sourcing of bearing stock, with all kinds of bearings, over 10000 types.
Jieyi Bearing also provides OEM service, such as bearing quality, noise level, grease brand, packing method, etc. We have enough OEM experience, and have a complete OEM manual for customer reference.
Products have been selling well in the American, French, Spanish, Austria, Italian, the U. A. E. Saudi, Pakistan, India, and Brizal markets.
With over 10 years′ Experience in bearings market, Jieyi Bearing have built up good relationship with all of our customers and quality factory. We always get satisfactory feedback from our customers because of the high quality products and good OEM service. We always supply the quality, stable, economical bearings and proper technical services.
Welcome to people of various enterprises with advance!
Our Advantages
WHY CHOOSE US?
1. BETTER COMMUNICATION
JVZB Bearing understands customer service more so than factories, we focus entirely on the customer so it is often easier to communicate with you.
2. FAVORABLE PRICING
JVZB Beaing often uses factories that are not big enough to have their own international sales team or export license. This means: we can work with factories that have lower prices than some easy-to-find competitors online.
3. LOW MOQ
We have great relationships with factories or have product stock on hand, CZPT to offer lower order quantities for the small sized importer.
4. SUPPLIER VERIFICATION
JVZB Bearing have more than 10 years of long-standing relationships with the factories, so we are aware of the capabilities of each. If you need, we can visit the factory to carry out product inspections and check up on an order.
5. QC CONTROL
JVZB Bearing have our own quality inspection laboratory with advanced testing equipment, we are CZPT to reasonably ensure the quality of the finished products.
6. MULTIPLE VARIETY PURCHASE
In fact, bearing factories usually only produce 1 type of bearing, or even focus on producing several models. If you want multiple items sourced for 1 product, we can help. This is a great way to source more products and do so quickly and efficiently.
7. OEM or OEM SERVICE
If you need special package or special labeling, we are glad to support OEM or OEM service.
Product List
Deeo Groove Ball Bearing
Spherical Roller Bearing
Taper Roller Bearing
Needle Roller Bearing
Pillow Block Bearing
Ceramic Bearing
/* 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(/(.*?):(.*)$/))&&1
| Rolling Body: | Ball Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small (28-55mm) |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | Order Sample Ball bearings
|
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
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. |
|---|
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 Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
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 2024-05-14
China Custom Japan CZPT CZPT Bearings 6201 6202 6203 6204 6205 6208 6203RS Bearing CZPT 6204 6205 6206 6207 Ball Bearings 6203 6204 6201 CZPT carrier bearing
Product Description
Japan CZPT CZPT Bearings rs Bearing CZPT Ball Bearings NTN
Product Description
Deep Groove Ball Bearings:
Deep groove ball bearings are suitable for high or even very high speed operation, its very durable and do not require regular maintenance. This kind of bearing has small friction coefficient, high limit speed, various sizes and forms. It is widely used in precision instruments, low noise motors, automobiles, motorcycles and general machinery industries. It is mainly subjected to radial load and can also bear a certain amount of axial load.It can be used in gearboxes, instruments, motors, household appliances, internal combustion engines, roller skates, etc.
You can contact us to contact for specific information about the bearing model you want.
Detailed Photos
Size Information
|
Model |
d(mm) |
D(mm) |
B(mm) |
weight(kg) |
|
6000 |
10 |
26 |
8 |
0.018 |
|
6001 |
12 |
28 |
8 |
0.571 |
|
6002 |
15 |
32 |
9 |
0.03 |
|
6003 |
17 |
35 |
10 |
0.04 |
|
6004 |
20 |
42 |
12 |
0.068 |
|
6005 |
25 |
47 |
12 |
0.079 |
|
6006 |
30 |
55 |
13 |
0.113 |
|
6007 |
35 |
62 |
14 |
0.149 |
|
6008 |
40 |
68 |
15 |
0.185 |
|
6009 |
45 |
75 |
16 |
0.231 |
|
6571 |
50 |
80 |
16 |
0.25 |
|
6201 |
12 |
32 |
10 |
0.036 |
|
6202 |
15 |
35 |
11 |
0.045 |
|
6203 |
17 |
40 |
12 |
0.065 |
|
6204 |
20 |
47 |
14 |
0.103 |
|
6205 |
25 |
52 |
15 |
0.127 |
|
6206 |
30 |
62 |
16 |
0.203 |
|
6207 |
35 |
72 |
17 |
0.287 |
|
6208 |
40 |
80 |
18 |
0.367 |
|
6209 |
45 |
85 |
19 |
0.416 |
|
6210 |
50 |
90 |
20 |
0.462 |
Our Main Products
|
1 |
Deep groove ball bearings |
|
2 |
Insert bearings |
|
3 |
Angular contact ball bearings |
|
4 |
Self-aligning ball bearings |
|
5 |
Thrust ball bearings |
|
6 |
Cylindrical roller bearings |
|
7 |
Needle roller bearings |
|
8 |
Tapered roller bearings |
|
9 |
Spherical roller bearings |
|
10 |
Toroidal roller bearings |
|
11 |
Cylindrical roller thrust bearings |
|
12 |
Needle roller thrust bearings |
|
13 |
Tapered roller thrust bearings |
|
14 |
Spherical roller thrust bearings |
|
15 |
Ball and roller screws |
|
16 |
Linear guides and tables |
|
17 |
Pollow block bearing |
|
18 |
Wheel Bearings |
|
19 |
Cam followers |
|
20 |
Track rollers |
|
21 |
Super-precision bearings |
|
22 |
Plain bearings/Rod end bearings |
|
23 |
Bearing Units |
|
24 |
Bearing Housings |
Packaging & Shipping
|
package |
1)Neutral package + carton package 2)Carton package + pallet 3)Wood package + pallet |
|
Delivery Time |
1-3 days after order |
|
Shipping |
by air to door address / by sea to sea port |
Company Profile
Certifications
FAQ
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 3/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
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. |
|---|
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.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
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.
editor by CX 2024-05-13
China high quality Ball Slewing Bearing Slewing Ring Bearing with Internal Gear 180-00297D3 for Excavator 255LC-V carrier bearing
Product Description
1. Company introduction
HangZhou King Slewing Bearing Technology Co.,Ltd.is a professional manufacturer and exporter of excavator slewing rings, its factory is located in HangZhou city, ZheJiang Province,very close to ZheJiang Port, goods can be easily transported all over the world.
Our main product is excavator slewing rings, we can now produce more than 1000 part numbers to match with many famous excavator brands, such as CATERPILLAR, KOMATSU, HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, LIEBHERR, DAEWOO, JCB,CASE, SUMITOMO, KATO,etc.
Our engineers have more than 20 years rich experience in studying excavator slewing rings and we have professional measuring team can go to customers ‘ workplace to measure the old or broken slewing rings, then to produce the same replacements. We have our own factory with latest CNC machines , such as vertical lathes, gear hobbing machines, gear shaping machines, hole drilling mahines, quenching machines, vertical grinding machines, turning machines,etc. to meet customers’ quick delivery requirements.
We will adhere to the “quality first, credibility first” business philosophy and continually provide our clients with superior quality products and services. We warmly welcome customers from all over the world to visit us and together to build a better future !
2. Our slewing rings can match with more than 1000 excavator models.
3. Our excavator part numbers as below:
| Doosan Slewing Ring Replacement | |||
| Excavator model number | Part number | Excavator model number | Part number |
| S140LC-V | 109-00165 | 255lc-v | 145719-00043 |
| SOLAR55-VPLUS | 109-00149 | 300-v | 109-00157 |
| DH220LC | 145719-00048A | DX300LCA | 145719-0571 |
| DX225 | 109-00162 | Dx300LCA | 145719-0571A |
| DX225LC | 109-00162A | S340 | 145719-00038 |
| DX225LC | 109-00162 | S340LC-V | 145719-00038 |
| DX225LCA | 109-00162A | S340LC-V | 2109-1059A (New Part Number) |
| DX225LCA | 145719-00048 | S400LC-3 | 2109-9047A |
| S225NLC-V | 145719-00045 | DOOSAN 420 | 145719-00039 |
| SL220LC-V | 109-00052 | S420LC-V | 109-00161 |
| 225NLC-V | 109-00052B | DX420LC | K15719 |
| 225NLC-V | 145719-00045 | DX420LC | 109-00046 |
| 255LC-V | 109-00030B | DX420LC | 145719-00007A |
| 255LC-V | 180-5717D3 | 470 | 109-00159 |
| 255lc-v | 145719-00042 | SOLAR 500LC-V | 145719-00040 |
4. Our excavator slewing ring pictures
5. Our slewing bearing packaging pictures
6. Transportation way: By sea/ air/ rail/ road/ TNT/DHL/UPS/Fedex,ect.
7. Contact information
/* 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(/(.*?):(.*)$/))&&1
| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | Short Delivery Time |
| Sealing Gland: | We Use Seal Rings |
| Rolling-Element Number: | Single Row, Three Row for Huge Slewing Bearing |
| Roller Type: | Four Point Contact |
| Material: | Alloy Steel |
| Samples: |
US$ 1700/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
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.
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.
editor by CX 2024-05-03
China factory CZPT 6705-2RS Single Row High Speed Deep Groove Ball Bearings carrier bearing
Product Description
Product Description
| Item NO. | 6705 | Structure | Deeo Groove Ball Bearing |
| Specification(mm) | 25x32x4 | Clearance | C1, C2, C0,C3, C4, C5 |
| Weight(kg) | 0.005 | Precision | P0, P6, P5, P4 etc. |
| Number of Row | Single Row | Tolerance | ABEC-1, ABEC-3,ABEC-5 etc |
| Material | GCr15 etc. | Noise & Vibration | Z1V1, Z2V2, Z3V3, Z4V4 |
| Cage | Steel, Nylon | Marking | Neutral or Brand Name and ITEM NO. |
| Seals Type | OPEN, (2)RS, (2)ZZ | Packing | Industrial Packing |
Ball Bearings
| Deep Groove Ball Bearings |
| Self Aligning Ball Bearings |
| Angular Contact Ball Bearings |
| Thrust Bearings |
Applications
Electric motors
Elevators
Conveyor systems
Agriculture industry
Steering applications
Industrial pumps and drive cars
Pulp and paper industry
Industrial gearboxes
Trucks, trailers & buses
*Own Manufacturing Full Range*
Product Parameters
Seals Type
| 2RS/RS – Double Rubber Seal |
| Provide better protection. Has a lower rotational and temperature resistance. |
| Open |
| No rotational resistance and higher temperature resistance. |
| ZZ/Z – Double Metal Shield |
| Provide better rotational resistance and suitable for higher temperature resistance. |
Company Profile
What We Do
Comprehensive product range:
– Bearings
– Oil seals, Transmission belt
– Chain and Sprocket
– Hub assembly & Wheel bearings
– Coupling, castings
– Linear motion
About Us
Focus on a variety of industries
Provide maintenance solutions
Optimize customer inventory and reduce cost
Vision
Continue to innovate through resource integration and business diversification to maintain uniqueness in the market
Mission
Provide comprehensive quality products and thoughtful customer service
Our Values
Behavior-based, service oriented, focused on results, and committed to continuous improvement
Advantage
1. Advanced Automatic Lines
2. Comprehensive Range
3. Premium Quality
4. Sustainability
Factory
Granville Industrial Co., Ltd.
HangZhou Granville Mechanical & Electrical Co., Ltd.
The advantage ball bearing factory located in the bearing manufacturing center – HangZhou, China. There are 2 plants, 1 specialized in manufacturing common grade ball bearings, another 1 professional in EMQ bearings with stablized Z3V3 quality. The factory takes her every effort in purchasing the most advanced bearing process equipments, NC automatic facilities are widely used in the factory and has becomes a bearing factory owning the most advanced process equipments in China. The Granville own ball bearing factory division manufacturing a whole range of radial deep groove ball bearings, open – shield – sealed – chrome steel, stainless steel available.
Product Offering:
| Bore Size | 3mm and up |
| Closures | Open, Non-contact metallic shields, Non-contact seals |
| Ring Material | 52100 chrome steel 440C stainless steel 420C stainless steel |
| Seal Material | Nitrile, Polyacrylic |
| Retainer | Riveted steel, Crimped steel, Crowned steel, Crowned nylon |
| Precision Class | ABEC1, ABEC3, ABEC5, ABEC-7 |
| Radial Clearance | C2, CO, C3, C4, C5 |
| Heat stabilization | SO, S1, S2, 53 |
The Granville stablized high precision EMQ bearings in 10 series for below OE industries:
1 EM bearings for automobiles
2 EM bearings for air conditioners
3 EM bearings for industrial sewing machines
4 EM bearings for textile machines
5 Bearings for electric tools
6 EM bearings for general machinery
7 EM bearings for washers
8 EM bearings for vacuum cleaners
9 Bearings for bank note counters
10 EM bearings for cleanout machines
Quality Warranty
Granville as a manufacturer of high quality products, guarantees compliance with the highest standards relative to the use of the best steel quality in the production process, the highest standards in the design of contact surfaces, as well as the most efficient packing and lubrication of parts. From material coming, quality control through all processes. Except interal test, goods to third party inspection if required. After the center of inspection and experiment being founded, effective methods of inspecting all kinds of raw materials are mastered and then the reliability of bearings is ensured. One of our main objectives is the continued improvement in the quality of our products and processes, in pursuit of which we obtained ISO certification 9001:2008 and TS16949.
Advantage Manufacturing Processes and Quality Control:
01 Heat Treatment
02 Centerless Grinding Machine 11200 (most advanced)
03 Automatic Production Lines for Raceway
04 Automatic Production Lines for Raceway
05 Ultrasonic Cleaning of Rings
06 Automatic Assembly
07 Ultrasonic Cleaning of Bearings
08 Automatic Greasing, Seals Pressing
09 Measurement of Bearing Vibration (Acceleration)
10 Measurement of Bearing Vibration (Speed)
11 Laser Marking
12 Automatic Packing
FAQ
ABOUT COMPANY
We are manufacturer; export bearings for a long time and globally.
Our main product – BEARING, PILLOW BLOCK, OTHER POWER TRANSMISSION…
SAMPLES
Qty: 1-10 PCS are available.
Free samples – regarding Model No., material, and quantity. Some require customers to pay both sample charges and shipping costs.
Tailor-made quality sample could be sent before big quantity delivery.
CUSTOMIZED
Yes, we have OEM/ODM service.
MOQ
10 PCS for standard bearings.
3000 PCS for customization (will further check as per specific requirement)
LEAD TIME
Bearings and its components 30 days
Bearing units 60 days
PACKING
Plastic tube->Plastic bag->Carton->Closed pallet(Special designed available)
PAYMENT
General 30% T/T in advance, 70% balance at sight.
AFTER-SALE SERVICE
12 months, please provide photos and items for us to solve and improve.
SUPPORT
Please visit our bearings website, we strongly encourage that you can communicate with us through email, thanks!
Also Bought
More for your reference, or click “Contact Now” for tailor made service 🙂
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| Application: | Low-Noise Motor |
|---|---|
| Advantage 1: | High-Speed |
| Advantage 2: | Low COF |
| Samples: |
US$ 0.45/Set
1 Set(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. |
|---|
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.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-04-30
China Hot selling CZPT CZPT CZPT CZPT CZPT Ball Bearings 6316/C3 Ball Bearing carrier bearing
Product Description
Welcome to choose KORTON INDUSTRIAL LIMITED.
NO 1. our adwantages:
1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical roller bearings, angular contact bearings, needle roller bearings, thrust ball bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available
NO 2. Description: Ball bearing
Race: we use the most advanced technology-cold extrusion process. Besides, the race will make 2 or 3 times temper to guarantee its high precision.
Rolling element: we use the rolling technology to process the roller and the steel ball of high precision bearing, the most advantage of our technology is to promote productive and productive efficiency. At the same time, our technology can prolong the bearing working life. The hardness and the diamention stability will also promote.
Steel cage: in order to avoid avoid cracks and guarantee the hardness, we use pattern “high temperature+long time”, our cage of high precision bearing have reached advanced level in china at surface abrasion resistance and fatigue strength.
NO 3. Types of Ball bearing
– Single row deep groove ball bearings
– Single row deep groove ball bearings with filling slots
– Stainless steel deep groove ball bearings
– Double row deep groove ball bearings
– Hybrid deep groove ball bearings
– Deep groove ball bearings for high temperature applications
NO 4. OEM all brand bearing
NO 5. Ball Bearing Specification:
| Seals Types | ZZ,Z,2RS,rs,RZ,2RZ,OPEN |
| Vibration Level | Z1V1,Z2V2,Z3V3 |
| Clearance | C2,C0,C3,C4,C5 |
| Tolerance Codes | ABEC-1,ABEC-3,ABEC-5 |
| Materral | GCr15-China/AISI52100-USA/Din100Cr6-Germany |
| MOQ | 1Set at least |
| Delivery Time | 5-10 days after contract |
| Payment Terms | TT/PAPAL/WESTERN UNION |
| Package | Tube package+outer carton+pallets;Single box+outer carton+pallets; Tube packge+middle box+outer carton+pallets;According to your requirement |
NO 6. Deep Groove Ball Bearing Models and Parameters:
6000 series deep groove ball bearings
| N0. | Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 604 | 4 | 12 | 4 | 0.2 | 0.97 | 0.36 | 36000 | 44000 | 0.0571 |
| 605 | 5 | 14 | 5 | 0.2 | 1.33 | 0.505 | 32000 | 40000 | 0.0035 |
| 606 | 6 | 17 | 6 | 0.3 | 2.19 | 0.865 | 30000 | 38000 | 0.006 |
| 607 | 7 | 19 | 6 | 0.3 | 2.24 | 0.91 | 28000 | 36000 | 0.008 |
| 608 | 8 | 22 | 7 | 0.3 | 3.35 | 1.4 | 26000 | 34000 | 0.012 |
| 609 | 9 | 24 | 7 | 0.3 | 3.4 | 1.45 | 24000 | 32000 | 0.014 |
| 6000 | 10 | 26 | 8 | 0.3 | 4.55 | 1.96 | 22000 | 30000 | 0.019 |
| 6001 | 12 | 28 | 8 | 0.3 | 5.1 | 2.39 | 19000 | 26000 | 0.571 |
| 6002 | 15 | 32 | 9 | 0.3 | 5.6 | 2.83 | 18000 | 24000 | 0.03 |
| 6003 | 17 | 35 | 10 | 0.3 | 6.8 | 3.35 | 17000 | 22000 | 0.039 |
| 6004 | 20 | 42 | 12 | 0.6 | 9.4 | 5.05 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 0.6 | 10.1 | 5.85 | 14000 | 18000 | 0.08 |
| 6006 | 30 | 55 | 13 | 0.6 | 13.2 | 8.3 | 12000 | 15000 | 0.116 |
| 6007 | 35 | 62 | 14 | 1.0 | 16 | 10.3 | 10000 | 14000 | 0.115 |
| 6008 | 40 | 68 | 15 | 1.0 | 16.8 | 11.5 | 8000 | 11000 | 0.19 |
6200 Series Miniature Deep Groove Ball Bearing
| N0. | Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 624 | 4 | 13 | 5 | 0.2 | 1.15 | 0.4 | 36000 | 45000 | 0.0032 |
| 625 | 5 | 16 | 5 | 0.3 | 1.76 | 0.680 | 32000 | 40000 | 0.0050 |
| 626 | 6 | 19 | 6 | 0.3 | 2.34 | 0.885 | 28000 | 36000 | 0.0080 |
| 627 | 7 | 22 | 7 | 0.3 | 3.35 | 1.400 | 26000 | 34000 | 0.0130 |
| 628 | 8 | 24 | 8 | 0.3 | 4.00 | 1.590 | 24000 | 32000 | 0.0170 |
| 629 | 9 | 26 | 8 | 0.3 | 4.55 | 1.960 | 22000 | 30000 | 0.0190 |
| 6200 | 10 | 30 | 9 | 0.6 | 5.10 | 2.390 | 19000 | 26000 | 0.0300 |
| 6201 | 12 | 32 | 10 | 0.6 | 6.10 | 2.750 | 18000 | 24000 | 0.0360 |
| 6202 | 15 | 35 | 11 | 0.6 | 7.75 | 3.600 | 17000 | 22000 | 0.0460 |
| 6203 | 17 | 40 | 12 | 0.6 | 9.60 | 4.600 | 16000 | 20000 | 0.0650 |
| 6204 | 20 | 47 | 14 | 1.0 | 12.80 | 6.650 | 14000 | 18000 | 0.1070 |
| 6205 | 25 | 52 | 15 | 1.0 | 14.00 | 7.850 | 12000 | 16000 | 0.1250 |
| 6206 | 30 | 62 | 16 | 1.0 | 19.50 | 11.300 | 10000 | 13000 | 0.2571 |
6300 Series Miniature Deep Groove Ball Bearing
| N0. | Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 6300 | 10 | 35 | 11 | 0.6 | 8.2 | 3.5 | 18000 | 24000 | 0.053 |
| 6301 | 12 | 37 | 12 | 1.0 | 9.7 | 4.2 | 17000 | 22000 | 0.06 |
| 6302 | 15 | 42 | 13 | 1.0 | 11.4 | 5.45 | 16000 | 20000 | 0.082 |
| 6303 | 17 | 47 | 14 | 1.0 | 13.5 | 6.55 | 15000 | 19000 | 0.115 |
| 6304 | 20 | 52 | 15 | 1.1 | 15.9 | 7.9 | 14000 | 17000 | 0.144 |
6800 Series Miniature Deep Groove Ball Bearing
| N0. |
Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 685 | 5 | 11 | 3 | 0.15 | 0.715 | 0.282 | 35000 | 45000 | 0.0011 |
| 686 | 6 | 13 | 3.5 | 0.15 | 1.08 | 0.44 | 33000 | 42000 | 0.0019 |
| 687 | 7 | 14 | 3.5 | 0.15 | 1.17 | 0.505 | 31000 | 40000 | 0.0571 |
| 688 | 8 | 16 | 4 | 0.2 | 1.61 | 0.715 | 29000 | 38000 | 0.0031 |
| 689 | 9 | 17 | 4 | 0.2 | 1.72 | 0.82 | 28000 | 36000 | 0.0032 |
| 6800 | 10 | 19 | 5 | 0.3 | 1.83 | 0.925 | 26000 | 34000 | 0.005 |
| 6801 | 12 | 21 | 5 | 0.3 | 1.92 | 1.04 | 22000 | 30000 | 0.006 |
| 6802 | 15 | 24 | 5 | 0.3 | 2.08 | 1.26 | 20000 | 28000 | 0.007 |
| 6803 | 17 | 26 | 5 | 0.3 | 2.23 | 1.46 | 19000 | 26000 | 0.008 |
| 6804 | 20 | 32 | 7 | 0.3 | 4 | 2.47 | 17000 | 22000 | 0.019 |
| 6805 | 25 | 37 | 7 | 0.3 | 4.3 | 2.95 | 15000 | 19000 | 0.571 |
| 6806 | 30 | 42 | 7 | 0.3 | 4.7 | 3.65 | 13000 | 17000 | 0.026 |
| 6807 | 35 | 47 | 7 | 0.3 | 4.9 | 4.05 | 11000 | 15000 | 0.571 |
6900 Series Deep Groove Ball Bearing
| N0. |
Bore | O.D | Width | Chamfer | Load Rating | Maximuum Seed | Weight | ||
| mm | mm | mm | mm | Dynamic Cr |
Static Cor |
Grease r/min |
Oil r/min |
Kg/pcs | |
| 693 | 3 | 8 | 3 | 0.15 | 0.56 | 0.18 | 44000 | 52000 | 0.0006 |
| 694 | 4 | 11 | 4 | 0.15 | 0.715 | 0.276 | 38000 | 47000 | 0.0018 |
| 695 | 5 | 13 | 4 | 0.2 | 1.08 | 0.43 | 34000 | 43000 | 0.0571 |
| 696 | 6 | 15 | 5 | 0.2 | 1.35 | 0.53 | 32000 | 40000 | 0.0038 |
| 697 | 7 | 17 | 5 | 0.3 | 1.61 | 0.715 | 30000 | 38000 | 0.0052 |
| 698 | 8 | 19 | 6 | 0.3 | 1.99 | 0.865 | 28000 | 36000 | 0.0073 |
| 690 | 9 | 20 | 6 | 0.3 | 2.48 | 1.09 | 27000 | 34000 | 0.0082 |
| 6900 | 10 | 22 | 6 | 0.3 | 2.7 | 1.27 | 25000 | 32000 | 0.009 |
| 6901 | 12 | 24 | 6 | 0.3 | 2.89 | 1.46 | 20000 | 28000 | 0.011 |
| 6902 | 15 | 28 | 7 | 0.3 | 3.65 | 2 | 19000 | 26000 | 0.016 |
| 6903 | 17 | 30 | 7 | 0.3 | 4.65 | 2.58 | 18000 | 24000 | 0.018 |
| 6904 | 20 | 37 | 9 | 0.3 | 6.4 | 3.7 | 17000 | 22000 | 0.036 |
| 6905 | 25 | 42 | 9 | 0.3 | 7.05 | 4.55 | 14000 | 18000 | 0.042 |
| 6906 | 30 | 47 | 9 | 0.3 | 7.25 | 5 | 12000 | 16000 | 0.048 |
| 6907 | 35 | 55 | 10 | 0.3 | 9.55 | 6.85 | 10000 | 14000 | 0.074 |
product-list-1.html
Why Choose Us:
HangZhou TIXIHU (WEST LAKE) DIS. bearing company has 14 years manufacture experience and is 1 of the biggest adjustment center in north of China.
We have large stock of original brand and our own brand bearing.
Sample is available.
We can accept OEM service.
HangZhou Xihu (West Lake) Dis. Bearing Co., Ltd. Was founded in March 2008. We were principally engaged in the research, development and manufacture of bearings in the early stage. Now we are mainly engaged in the sales of internationally-famous brand bearings. Our products are sold in Britain, America, Japan, Italy and Southeast Asia, well appreciated by their purchasers.
/* 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: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Chrome Steel |
| Customization: |
Available
| Customized Request |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-26
China Hot selling High Rigidity Axial-Radial Load Capacity Zkldf260 Axial Angular Contact Ball Bearing carrier bearing
Product Description
ZKLDF260 Axial angular contact ball bearing Introduction:
ZKLDF260 Axial angular contact ball bearing are axial and radial combined bearings, which is fixed by a bidirectional thrust bearing and a centripetal-guided bearing. They can support radial loads, axial loads from both directions and tilting moments free from clearance. For the convenienience of transportation and fixing,two or 3 symmetrical screws are fastened to the 2 rings in oder to prevent rollers and rings generating collisions which influence bearing accuracy.
ZKLDF260 Axial angular contact ball bearing Display:
/* 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
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Large (200-430mm) |
| Material: | Bearing Steel |
| Spherical: | Non-Aligning Bearings |
| Load Direction: | Axial Bearing |
| Samples: |
US$ 180/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-04-26
China manufacturer Deep Groove Ball Bearings 6801 6800 6203 6204 6205 Zz 2RS C3 Auto Parts Machining Parts Industrial Ball Bearing carrier bearing
Product Description
Deep Groove Ball Bearings 6205 Zz 2RS C3 Auto Parts Machining Parts Industrial Ball Bearing
We produce all kinds of bearing sets, limit sets, widely used in agricultural machinery parts, auto parts, bearing production, construction machinery parts.
Bearing Pictures
Similar products
Company Certificates
Q:Why choose us ?
A. we are a manufacturer, we have manufactured types of bearing for over 20 years .
B. Reliable Quality Assurance System;
C. Cutting-Edge Computer-Controlled CNC Machines;
D. Bespoke Solutions from Highly Experienced Specialists;
E. Customization and OEM Available for Specific Application;
F. Extensive Inventory of Spare Parts and Accessories;
G. Well-Developed Worldwide Marketing Network;
H. Efficient After-Sale Service System
Q. what is your payment term?
A: 30% TT deposit, 70% balance T/T before shipping.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: Can you make chains according to my CAD drawings?
A: Yes. Besides the regular standard chains, we produce non-standard and custom-design products to meet the specific technical requirements. In reality, a sizable portion of our production capacity is assigned to make non-standard products.
Q: what is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia,
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 60° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
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. |
|---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
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 are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-04-24
China Best Sales Durable Deep Groove Ball Bearing for Medical Equipment carrier bearing
Product Description
Products Description
| PRODUCT NAME | DEEP GROOVE BALL BEARING |
| Applicable Industries | Manufacturing Plant,Machinery Repair Shops, Retail,Construction works,Energy &Mining,Other |
| Bore Size | 3-50 mm |
| Precisjon Rating | P2 p0 P5 |
| Number of Row | Single row |
| FEATURES | HIGH SPEED |
| LONG LIFE | |
| LOW NOISE | |
| APPLICATION | HIGH SPEED MACHINE |
| PACKAGE | ORIGINAL PACKAGE |
| SERVICE | OEM SERVICE |
| DELIVERY TIME | WITHIN 2-3DAYS |
| Noise Rating | Z1 Z2 Z3 Z4 |
| Bearing Type | Dimensions | Weight(KG) | |||
| d | D | B | |||
| Model | mm | mm | mm | ||
| 6900 | 10 | 22 | 6 | 0.009 | |
| 6901 | 12 | 24 | 6 | 0.011 | |
| 6902 | 15 | 28 | 7 | 0.016 | |
| 6903 | 17 | 30 | 7 | 0.018 | |
| 6904 | 20 | 37 | 9 | 0.036 | |
| 6905 | 25 | 42 | 9 | 0.042 | |
| 6906 | 30 | 47 | 9 | 0.148 | |
| 6907 | 35 | 55 | 10 | 0.074 | |
| 6908 | 40 | 62 | 12 | 0.11 | |
| 6909 | 45 | 68 | 12 | 0.128 | |
| 6910 | 50 | 72 | 12 | 0.132 | |
| 6911 | 55 | 80 | 13 | ||
| 6912 | 60 | 85 | 13 | ||
| 6913 | 65 | 90 | 13 | ||
| 6914 | 70 | 100 | 16 | ||
| 6915 | 75 | 105 | 16 | ||
| 6916 | 80 | 110 | 16 | ||
Product Types
Application
Why Choose Us
Material
We usually use bearing steel (GCr15), but many manufacturers only use softer carbon steel materials, so our bearings have higher hardness and longer service life.
Heat treatment
We have our own heat treatment plant and do not need to be outsourced. We use a slower speed and more stable temperature to effectively control the steel and increase the toughness and life of the steel.
Other small-scale bearing companies usually need to outsource. Many outsourcing factories only strengthen the hardness of the bearing surface due to cost factors, but the hardness inside is not enough, which is the reason why many bad bearings are easy to crack.
Precision
Our bearings can be controlled at a height accuracy of 0~-0.004mm, fast speed and smoothness.
Multiple grinding process
We grind the bearing many times, but others may grind it only once, so the chamfer of our bearing is very smooth.
In conclusion
We use high-quality materials and multiple grinding processes, so our bearings have the characteristics of high speed, low noise, high precision and long life.
Company Profile
ZheJiang Yinshou Environmental Protection Equipment Co., Ltd. is a medium-sized environmental protection machinery and equipment company, located in HangZhou, the capital city of ZheJiang Province, with developed heavy industry, convenient transportation, near the remote wall International airport, and HangZhou such a port city only 2 hours’ drive, the company was founded in 2018, the International Trade Department was established in 2571, the introduction of technical personnel and equipment, expand the production line, To build a factory and warehouse, set up a logistics service team and an international after-sales service team, and truly realize a modern factory integrating research and development, production, testing, warehousing and sales. The factory covers an area of 3,000 square meters, with 53 sales team, 3 technical teams, 2 international after-sales teams, 5 production lines, total assets of nearly 100 million yuan, and annual production equipment up to 100,000.
Certifications
FAQ
Q : Why choose us ?
A: a. With experiences over 10 years.
b. Strict inspection and high quality with reasonable price.
c. OEM service provided.
d. Delivery time is short.
Q: What kinds of bearing you supply?
A: main products are ball bearing, plastic bearing, ceramic bearing, needle bearings and
industrial tools, etc, as per customers’ drawings or samples.
Q: When inspecting bearings, what should we need to consider?
A: The precision of the bearings (dimension tolerance, loading rate), internal
clearance and hardness under heat treatment, structure of cage and material.
Q:Your product certifications?
A: ISO 9001:2008, RoHS,CE.
Q: Can I have a sample order?
A: Yes, it is available to check quality first. Mixed samples are also acceptable.
Q: What about the lead time?
A: 3-7 days for samples, 3-4 weeks for mass production.
Q:What is your payment method?
A: We accept T/T, PAYPAL or Western Union, credit card or via ALIBABA Assurance order.
/* 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(/(.*?):(.*)$/))&&1
| Oil Seal: | Rubber |
|---|---|
| Material: | Bearing Steel |
| D: | 3-60 |
| B: | 3-16 |
| Od: | 3-75 |
| Rating: | P0 P2 P6 |
| Samples: |
US$ 0.15/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
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What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
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.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-10