Product Description
Product Description
WHY CHOOSE E-ASIA BEARING?
1) 20 years of rich bearing industry export experience
2) ISO & MPA & CE & SGS & BV certified
3) Professional engineers team and Superior machines
4) 1 hour to HangZhou port or ZheJiang port
5) Strict quality inspection (3 steps) before shipment, such as SGS/BV third party certified.
CHOOSE E-ASIA REFUSED ONE TIME BUSINESS
| Deep groove ball bearing | 5 88506 88507 88508A 88508 88509 622 62303 62304 62305 62306 62307 62308 62309 62310 |
| Taper roller bearings | 35712 35713 35714 35715 35716 35717 35718 35719 35710 35711 35712 35713 35714 35715 35716 35717 35718 35719 35710 35711 35712 35714 35716 35718 35710 35712 35714 35716 35710 35714 30302 30303 30304 30305 30306 30307 30308 3 3 0571 3 0571 3 0 30321 30322 30324 30326 30328 30330 30332 30334 32204 32205 32206 32207 32208 32209 32210 32211 32212 32213 32214 32215 32216 32217 32218 32219 32220 32221 32222 32224 32226 32228 32230 32232 32236 32238 32240 32244 32248 32303 32304 32305 32306 32307 32308 32309 32310 32311 32312 32313 32314 32315 32316 32317 32318 32319 32320 32321 32322 32324 32326 32330 32334 31303 31304 31305 31306 31307 31308 31309 31310 31311 31312 31313 31314 31315 31316 31317 31318 31319 31320 31324 31326 31328 31332 32 325714 320726 325718 53856k 53860 |
| Self-aligning ball bearings | |
| spherical plain bearing | GE4E GE5E GE6E GE8E GE10E GE12E GE15ES GE17ES GE20ES GE25ES GE30ES GE35ES GE40ES GE45ES GE50ES GE60ES GE70ES GE80ES GE90ES GE1 110145 120155 130170 140180 150190 165710 |
| Thrust ball bearing | 511 234415 234416 234417 234418 234419 234420 234421 234422 234424 234426 234428 234430 234432 234438 234440 234714 234715 234716 234717 234718 234719 234720 234721 234722 234722 347262 347282 347302 347322 347382 34740 |
| Cylindrical Roller Bearings | NU313EMA NU2313EMA NU2314EMA NU415EMA NU216EMA NU2216EMA NJ2216EMA NUP2216EMA NU316EMA NU2316EMA NU217EMA NU2217EMA NU317EMA NU2317EMA NJ2317EMA NU218EMA NJ218EMA NU2218EMA NJ2218EMA NUP2218EMA NU318EMA NJ318EMA NU2318EMA NJ2318EMA NU219EMA NJ219EMA NU2219EMA NJ2219EMA NU319EMA NJ319EMA NU2319EMA NJ2319EMA NU220EMA NJ220EMA NU2220EMA NJ2220EMA NU320EMA NJ320EMA NU2320EMA NJ2320EMA NU222EMA NJ222EMA NU2222EMA NJ2222EMA NU322EMA NJ322EMA NU2322EMA NJ2322EMA NU1571MA NU224EMA NJ224EMA NU2224EMA NJ2224EMA NU324EMA NJ324EMA NU2324EMA NJ2324EMA NU1026MA NU226EMA NJ226EMA NU2226EMA NJ2226EMA NU326EMA NJ326EMA NU2326EMA NJ2326EMA NU1571MA NU228EMA NJ228EMA NU2228EMA NJ2228EMA NU328EMA NJ328EMA NU2328EMA NJ2328EMA NU1030MA NU230EMA NJ230EMA NUP230EMA NU2230EMA NJ2230EMA N2230EMB NU330EMA NJ330EMA NU2330EMA NJ2330EMA NU1032MA NU232EMA NJ232EMA NUP232EMA NU2232EMA NJ2232EMA NU332EMA NJ332EMA NU2332EMA NJ2332EMA NU1034MA NU3034EMA NU234EMA NJ234EMA NU2234EMA NJ2234EMA NU334EMA NJ334EMA NU2334EMA NJ2334EMA NU1036MA NU236EMA NJ236EMA NU2236EMA NJ2236EMA NU336EMA NJ336EMA NU2336EM NJ2336EMA NU1038MA NU238EMA NJ238EMA NU2238EMA NJ2238EMA NU338EMA NJ338EMA NU2338EMA NJ2338EMA NU1040MA NU240EMA NJ240EMA NU2240EMA NJ2240EMA NU340EMA NJ340EMA NU2340EMA NJ2340EMA NU1044MA NJ1044MA NU3044EMA NU244EMA NJ244EMA NU2244EMA NJ2244EMA NU344EMA NJ344EMA NU2344EMA NJ2344EMA N2344EMB NU1048MA NU248EMA NJ248EMA NU348EMA NJ348EMA NU2348EMA NJ2348EMA NU1052MA NU3052MA NU252MA NUP252MA NU2252MA NU2352EMA NU1056MA NU1060MA NU1964MA NF2964EMB NU1064MA NU2264MA NF2968EMB NU1068MA NU3068EMA NU3168EMA NU2372EMA NU1072MA NU1076MA NJ2980EMA NU1080MA NU2080EMA NF2984EMB NU1088MA NU2088EMA NU3188EMA NJ2892EMA NF2992EMB NU3192EMA NU1096EMA NJ1096EMA NU31/500EMA NU18/560MA NU30/600EMA NU20/630EMA NU20/670EMA NU20/670EMA NU30/670EMA NJ28/710EMA NJ29/710MA NU20/750EMA NU20/800EMA NU20/850EMA NU39/900EMA NU20/900EMA NJ18/1120EMA105RU32 105RN32 105RJ32 105RF32 105RT32 170RU51 170RN51 170RJ51 170RF51 170RT51 170RU91 170RN91 170RJ91 170RF91 170RT91 170RU93 170RN93 170RJ93 170RF93 170RT93 180RU51 180RN51 180RJ51 180RF51 180RT51 180RU91 180RN91 180RJ91 180RF91 180RT91 190RU91 190RN91 190RJ91 190RF91 190RT91 190RU92 190RN92 190RJ92 190RF92 190RT92 200RU91 200RN91 200RJ91 200RF91 200RT91 200RU92 200RN92 200RJ92 200RF92 200RT92 210RU92 210RN92 210RJ92 210RF92 210RT92 220RU51 220RN51 220RJ51 220RF51 220RT51 220RU91 220RN91 220RJ91 220RF91 220RT91 220RU92 220RN92 220RJ92 220RF92 220RT92 240RU91 240RN91 240RJ91 240RF91 240RT91 250RU91 250RN91 250RJ91 250RF91 250RT91NCF2922V NCF2924V NCF2926V NCF2928V NCF2930V NCF2932V NCF2934V NCF2936V NCF2938V NCF1840V NCF2940V NCF1844V NCF2944V NCF1852V NCF2952V NCF2960V NCF1864V NCF2964V NCF1868V NCF1876V NCF2976V NCF1880V NCF1884V NCF1888V NCF1892V NCF2992V NCF2996V NCF18/500V NCF29/500V NCF18/530V NCF18/560V NCF18/600V NCF18/630V NCF18/670V NCF18/710V NCF18/750V NCF18/800VNNU4930MAW33 NNU4932MAW33 NNU4934MAW33 NNU4936MAW33 NNU4938MAW33 NNU4940MAW33 NNU4140MAW33 NNU4944MAW33 NNU4144MAW33 NNU4948MAW33 NNU4148MAW33 NNU4952MAW33 NNU4152MAW33 NNU4956MAW33 NNU4156MAW33 NNU4960MAW33 NNU4160MAW33 NNU4964MAW33 NNU4164MAW33 NNU4968MAW33 NNU4068MAW33 NNU4168MAW33 NNU4972MAW33 NNU4072MAW33 NNU4172MAW33 NNU4976MAW33 NNU4076MAW33 NNU4176MAW33 NNU4980MAW33 NNU4080MAW33 NNU4180MAW33 NNU4984MAW33 NNU4084MAW33 NNU4184MAW33 NNU4988MAW33 NNU4088MAW33 NNU4188MAW33 NNU4992MAW33 NNU4092MAW33 NNU4192MAW33 NNU4996MAW33 NNU4096MAW33 NNU4196MAW33 NNU49/500MAW33 NNU40/500MAW33 NNU49/530MAW33 NNU40/530MAW33 NNU49/560MAW33 NNU49/600MAW33 NNU49/630MAW33 NNU49/670MAW33 NNU40/670MAW33 NNU49/710MAW33 NNU49/750MAW33 NNU49/800MAW33 NNU49/850MAW33 NNU49/900MAW33 |
Company Profile
E-Asia was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer and NSK CZPT CZPT CZPT CZPT HRB LYC NACHI C&U bearing distributor. We also provide OEM beaings.Since it was first established, E-AISA was dedicated in research, development and manufacture of bearings. Now, E-AISA has become main and 1 of the first grade suppliers of all kinds of bearings.
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 and Trust Roller Bearings and Special Bearings.
E-Asia is a backbone enterprise for bearing production in China. With an area of 60, 000 square meters, more than 260 sets devices and machines, and around 200 employees, our company annually turns out more than 6 million sets bearings.
Our Bearings are exported to the USA, Canada, UK, Germany, Poland, Italy, Russia, the Middle East, Africa and other countries and regions of the world. E-Asia Bearing Co. Ltd. Is committed to the introduction of high-quality bearing products. Our company have more than 200 employees.
Our brands include ZWZ bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings and so forth.
Our belief is “Specialization is quality; Quality is the future. Any product with 0.01% defect is 100% reject” is our quality policy.
Packaging & Shipping
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.
3.Does your company have quality assurance?
Yes, for 2 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
/* 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(/(.*?):(.*)$/))&&1
| Type: | Auto Clutch Bearing |
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| Material: | Chrome Steel |
| Tolerance: | P5 |
| Customization: |
Available
| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2024-05-07
China Professional Axial Load Capability 71918 Angular Contact Ball Bearing ball bearing
Product Description
71918 Angular Contact Ball Bearing Introduction:Angular contact ball bearings are specialized types of bearings designed to support both radial and axial loads simultaneously. And they are versatile components known for their ability to support combined radial and axial loads, making them essential in a wide range of mechanical systems and machinery.
71918 Angular Contact Ball Bearing key features and application:
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Construction: Angular contact ball bearings typically consist of an inner ring, an outer ring, a cage (or separator), and rows of balls. The inner and outer rings have raceways, while the balls are positioned between them.
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Contact Angle: Unlike deep groove ball bearings, which have a contact angle of 0°, angular contact ball bearings have a contact angle, usually between 15° and 40°. This angle allows them to support axial loads in addition to radial loads.
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Types: Angular contact ball bearings come in several configurations, including single-row, double-row, and four-point contact bearings. Single-row bearings can accommodate axial loads in 1 direction, while double-row bearings can handle axial loads in both directions.
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Preload: To optimize performance, angular contact ball bearings may be preloaded during installation. Preload applies a slight internal load to the bearings, which helps eliminate play and improve rigidity.
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High-Speed Capability: Angular contact ball bearings are capable of operating at high speeds due to their design, which reduces friction and heat generation.
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Applications: These bearings are commonly used in various industries, including automotive, aerospace, machine tooling, and robotics. They are suitable for applications such as wheel hubs, electric motors, pumps, and gearboxes, where both radial and axial loads are present.
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Sealing Options: Depending on the application requirements, angular contact ball bearings may come with different sealing options, such as shields or seals, to protect against contaminants and retain lubrication.
71918 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
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| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Thrust Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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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.
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 2024-05-07
China best China 1688 Manufacturer in Stock 62 Serises 6236 6238 6240 Zz Deep Groove Ball Bearings for Auto Spare Parts wheel bearing
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards accorind to the testing result of
roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
| If the model your Preferred is | Sufficient stock | Lead Time |
| Regular models | YES | Within 7 days |
| Regular models | NO | Within 30 days |
| Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
| Subject | Symbol | Description |
| Sealing & Sealing type | Z | Metal shield on 1 side. |
| ZZ | Metal shields on both sides. | |
| RS | Rubber seal on 1 side. | |
| 2RS | Rubber seals on both sides. | |
| ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
| 2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
| ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
| Vibration Velocity | V | Normal vibration level. Is not indicated as a standard. |
| V1 | Lower vibration level than normal. | |
| V2 | Lower vibration level than V1. | |
| V3 | Lower vibration level than V2. | |
| V4 | Lower vibration level than V3. | |
| Tolerances | P0(ABEC1) | Bearings in standard tolerance |
| P6(ABEC3) | Tighter tolerance than standard bearings | |
| P5(ABEC5) | Tolerance tighter than P6 | |
| P4(ABEC7) | Tolerance tighter than P5 | |
| P2(ABEC9) | Tolerance tighter than P4 | |
| Radial internal clearance | C1 | Smaller clearance than C2 |
| C2 | Smaller clearance than CN | |
| CN(C0) | Clearance than normal | |
| C3 | Clearance larger than CN | |
| C4 | Clearance larger than C3 | |
| C5 | Clearance larger than C4 | |
| Snap Ring Groove | N | Snap ring groove in the outer ring |
| NR | Snap ring groove in the outer ring, with snap ring | |
| N1 | One locating slot in 1 outer ring side face | |
| R | Flanged outer ring | |
| Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
| N | Snap ring groove in the outer ring. | |
| SS | Stainless steel. |
| Cage Materials | J | Pressed steel cages |
| M | Solid brass cage | |
| F | Solid cage made from steel or iron | |
| Y | Pressed brass cages. | |
| T | Laminated phenolic cages. | |
| TN | Polyamide cages | |
| TH | Glass-fiber reinforced phenolic resin cages. | |
| TV | Polyamide cage | |
| Cage Designs | P | Window-type cage |
| H | Claw-type cage | |
| A | Cage guided on the bearing outer ring | |
| B | Cage-guided on the bearing inner ring | |
| S | Cage with lubricating slots in the guiding surfaces | |
| D | Carbonitriding cage | |
| W | Welded cage | |
| R | Riveted Cage | |
| Cage Types | N/A | Claw-type cage |
| Ribbon cage | ||
| Crown cage | ||
| Sunflower cage | ||
| Tapered cage |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
| Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
| Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
| 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 | 43.2 | 29.2 | 0.603 |
| 6212 | 60 | 110 | 22 | 5600 | 7000 | 47.8 | 32.8 | 0.789 |
| 6213 | 65 | 120 | 23 | 5000 | 6300 | 57.2 | 40 | 0.99 |
| 6214 | 70 | 125 | 24 | 4800 | 6000 | 60.8 | 45 | 1.084 |
| 6215 | 75 | 130 | 25 | 4500 | 5600 | 66 | 49.5 | 1.171 |
| 6216 | 80 | 140 | 26 | 4300 | 5300 | 71.5 | 54.2 | 1.448 |
| 6217 | 85 | 150 | 28 | 4000 | 5000 | 83.2 | 63.8 | 1.803 |
| 6218 | 90 | 160 | 30 | 3800 | 4800 | 95.8 | 71.5 | 2.17 |
| 6219 | 95 | 170 | 32 | 3600 | 4500 | 110 | 82.8 | 2.62 |
| 6220 | 100 | 180 | 34 | 3400 | 4300 | 122 | 92.8 | 3.19 |
| 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 | 15.241 |
| 6236 | 180 | 320 | 52 | 1600 | 2000 | 262 | 285 | 15.518 |
| 6238 | 190 | 340 | 55 | 1500 | 1900 | 285 | 322 | 18.691 |
| 6240 | 200 | 360 | 58 | 1400 | 1800 | 288 | 332 | 22.577 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material Option 2: | Stainless Steel |
|---|---|
| MOQ: | One Pallet |
| Seals Options: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr / |
| Lubrication: | Grease or Oil |
| Cage: | SPCC, PA66, Copper, Stainless Steel |
| Seals: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr / |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What 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 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 2024-05-07
China best Automotive Wheel Hub Angular Contact Ball Bearing 7017AC 7017acm 71817c wholesaler
Product Description
Product Parameters
| Bearing type | Boundary Dimensions( mm ) | Speed Rating(ipm) | Load Rating(kn) | Weight(kg) | ||||
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| 7000AC | 10 | 26 | 8 | 22000 | 30000 | 4.55 | 1.97 | 0.019 |
| 7001AC | 12 | 28 | 8 | 20000 | 26000 | 5.1 | 2.38 | 0.571 |
| 7002AC | 15 | 32 | 9 | 19000 | 24000 | 5.58 | 2.85 | 0.03 |
| 7003AC | 17 | 35 | 10 | 17000 | 21000 | 6 | 3.25 | 0.04 |
| 7004AC | 20 | 42 | 12 | 16000 | 19000 | 9.38 | 5.02 | 0.069 |
| 7005AC | 25 | 47 | 12 | 15000 | 18000 | 10.1 | 5.85 | 0.08 |
| 7006AC | 30 | 55 | 13 | 13000 | 15000 | 13.2 | 8.3 | 0.116 |
| 7007AC | 35 | 62 | 14 | 11000 | 13000 | 16 | 10.3 | 0.155 |
| 7008AC | 40 | 68 | 15 | 9000 | 11000 | 17 | 11.8 | 0.185 |
| 7009AC | 45 | 75 | 16 | 8000 | 10000 | 21 | 14.8 | 0.23 |
| 7571AC | 50 | 80 | 16 | 7000 | 9000 | 22.05 | 16.21 | 0.25 |
| 7011AC | 55 | 90 | 18 | 7000 | 8500 | 30.2 | 21.8 | 0.362 |
| 7012AC | 60 | 95 | 18 | 6300 | 7500 | 31.65 | 24.22 | 0.385 |
| 7013AC | 65 | 100 | 18 | 6000 | 7000 | 32 | 24.72 | 0.41 |
| 7014AC | 70 | 110 | 20 | 5000 | 6700 | 38.5 | 30.5 | 0.575 |
| 7015AC | 75 | 115 | 20 | 5300 | 6300 | 40.2 | 33.2 | 0.603 |
| 7016AC | 80 | 125 | 22 | 5000 | 6000 | 47.5 | 39.8 | 0.821 |
| 7017AC | 85 | 130 | 22 | 4500 | 5600 | 50.8 | 42.8 | 0.848 |
| 7018AC | 90 | 140 | 24 | 4300 | 5300 | 58 | 49.8 | 1.1 |
| 7019AC | 95 | 145 | 24 | 4000 | 5000 | 57.8 | 50 | 1.15 |
| 7571AC | 100 | 150 | 24 | 3800 | 4800 | 64.5 | 56.2 | 1.18 |
| 7571AC | 110 | 170 | 28 | 3400 | 4300 | 81.8 | 72.8 | 1.89 |
| 7571AC | 120 | 180 | 28 | 3000 | 3800 | 87.5 | 79.2 | 1.99 |
| 7026AC | 130 | 200 | 33 | 2800 | 3600 | 105 | 96.8 | 3.08 |
| 7571AC | 140 | 210 | 33 | 2400 | 3200 | 116 | 108 | 3.17 |
| 7030AC | 150 | 225 | 35 | 2200 | 3000 | 132 | 125 | 3.9 |
| 7032AC | 160 | 240 | 38 | 2000 | 2800 | 145 | 138 | 4.83 |
| 7034AC | 170 | 260 | 42 | 1900 | 2600 | 170 | 170 | 6.5 |
| 7036AC | 180 | 280 | 46 | 1300 | 2400 | 188 | 198 | 8.51 |
| Model | Model | Model | Model | Model | Model | Model | Model | Model | Model | Model | Model |
| 7000AC | 7212AC | 7408AC | 7048ACM | 7308ACM | 71801C | 71912C | QJ212M | 7201BTN | 7224BM | 7305BM | 7408BM |
| 7001AC | 7213AC | 7409AC | 7309ACM | 71802C | 71913C | QJ213M | 7202BTN | 7226BM | 7306BM | 7409BM | |
| 7002AC | 7214AC | 7410AC | 7200ACM | 7310ACM | 71803C | 71914C | QJ214M | 7203BTN | 7228BM | 7307BM | 7410BM |
| 7003AC | 7215AC | 7411AC | 7201ACM | 7311ACM | 71804C | 71915C | QJ215M | 7204BTN | 7230BM | 7308BM | 7412M |
| 7004AC | 7216AC | 7412AC | 7202ACM | 7312ACM | 71805C | 71916C | QJ216M | 7205BTN | 7232BM | 7309BM | 7413BM |
| 7005AC | 7217AC | 7413AC | 7203ACM | 7313ACM | 71806C | 71917C | QJ217M | 7206BTN | 7234BM | 7310BM | 7414BM |
| 7006AC | 7218AC | 7414AC | 7204ACM | 7314ACM | 71807C | 71918C | QJ218M | 7207BTN | 7236BM | 7311BM | 7416BM |
| 7007AC | 7219AC | 7415AC | 7205ACM | 7315ACM | 71808C | 71919C | QJ219M | 7208BTN | 7238BM | 7312BM | 7432BM |
| 7008AC | 7220AC | 7416AC | 7206ACM | 7316ACM | 71809C | 71920C | QJ220M | 7209BTN | 7240BM | 7313BM | |
| 7009AC | 7221AC | 7207ACM | 7317ACM | 71810C | 71921C | QJ222M | 7210BTN | 7244BM | 7314BM | ||
| 7571AC | 7222AC | 7000ACM | 7208ACM | 7318ACM | 71811C | 71922C | QJ224M | 7211BTN | 7248BM | 7315BM | |
| 7011AC | 7224AC | 7001ACM | 7209ACm | 7319AC | 71812C | 71924C | QJ226M | 7212BTN | 7252 BM | 7316BM | |
| 7012AC | 7226AC | 7002ACM | 7210ACM | 7320ACM | 71813C | 71926C | QJ228M | 7213BTN | 7256BM | 7317BM | |
| 7013AC | 7228AC | 7003ACM | 7211ACM | 7321ACM | 71814C | 71928C | QJ230M | 7214BTN | 7260BM | 7319BM | |
| 7014AC | 7230AC | 7004ACM | 7212ACM | 7322ACM | 71815C | 71930C | QJ232M | 7215BTN | 7264BM | 7320BM | |
| 7015AC | 7005ACM | 7213ACM | 7324ACM | 71816C | 71932C | QJ234M | 7216BTN | 7322BM | |||
| 7016AC | 7301AC | 7006ACM | 7214ACM | 7326ACM | 71817C | 71934C | QJ236M | 7217BTN | 7324BM | ||
| 7017AC | 7302AC | 7007ACM | 7215ACM | 7328ACM | 71818C | 71936C | QJ240M | 7218BTN | 7326BM | ||
| 7018AC | 7303AC | 7008ACM | 7216ACM | 7330ACM | 71819C | 71938C | QJ244M | 7301BTN | 7328BM | ||
| 7019AC | 7304AC | 7009ACM | 7217ACM | 7332ACM | 71820C | 71940C | 7219BTN | 7302BTN | 7330BM | ||
| 7571AC | 7305AC | 7571ACM | 7218ACM | 7334ACM | 71821C | 7220BTN | 7332BM | ||||
| 7571AC | 7306AC | 7011ACM | 7219ACM | 7336ACM | 71822C | QJ1018M | QJ305M | 7222BTN | 7304BTN | 7334BM | |
| 7571AC | 7307AC | 7012ACM | 7220ACM | 7340ACM | 71824C | QJ1571M | QJ306M | 7224BTN | 7305BTN | 7336BM | |
| 7571AC | 7308AC | 7013ACM | 7221ACM | 71826C | QJ1571M | QJ307M | 7226BTN | 7306BTN | 7338BM | ||
| 7026AC | 7309AC | 7014ACM | 7222ACM | 71828C | QJ1571M | QJ308M | 7307BTN | 7340BM | |||
| 7571AC | 7310AC | 7015ACM | 7224ACM | 7405ACM | 71830C | QJ1026M | QJ309M | 7308BTN | 7344BM | ||
| 7030AC | 7311AC | 7016ACM | 7226ACM | 7406ACM | 71832C | QJ1571M | QJ310M | 7309BTN | 7318BM | ||
| 7032AC | 7312AC | 7017ACM | 7228ACM | 7407ACM | 71834C | QJ1030M | QJ311M | 7206BM | 7310BTN | 7356BM | |
| 7034AC | 7313AC | 7018ACM | 7230ACM | 7408ACM | 71836C | QJ1032M | QJ312M | 7207BM | 7311BTN | ||
| 7036AC | 7314AC | 7019ACM | 7232ACM | 7409ACM | 71838C | QJ1034M | QJ313M | 7208BM | 7312BTN | ||
| 7315AC | 7571ACM | 7234ACM | 7410ACM | 71840C | QJ1036M | QJ314M | 7209BM | 7313BTN | |||
| 7200AC | 7316AC | 7571ACM | 7236ACM | 7411ACM | QJ1038M | QJ315M | 7210BM | 7314BTN | |||
| 7201AC | 7317AC | 7571ACM | 7238ACM | 7412ACM | 71901C | QJ1040M | QJ316M | 7211BM | 7315BTN | ||
| 7202AC | 7318AC | 7571ACM | 7240ACM | 7413ACM | 71902C | QJ1044M | QJ317M | 7212BM | 7316BTN | ||
| 7203AC | 7319AC | 7026ACM | 7244ACM | 7414ACM | 71903C | QJ1048M | QJ318M | 7213BM | 7317BTN | ||
| 7204AC | 7320AC | 7571ACM | 7415A0M | 71904C | QJ319M | 7214BM | 7318BTN | ||||
| 7205AC | 7321AC | 7030ACM | 7301ACM | 7416ACM | 71905C | QJ205M | QJ320M | 7215BM | 7319BTN | ||
| 7206AC | 7322AC | 7032ACM | 7302ACM | 7417ACM | 71906C | QJ206M | QJ322M | 7216BM | 7320BTN | ||
| 7207AC | 7324AC | 7034ACM | 7303ACM | 7418ACM | 71907C | QJ207M | QJ324M | 7217BM | 7322BTN | ||
| 7208AC | 7036ACM | 7304A0M | 7420ACM | 71908C | QJ208M | QJ326M | 7218BM | ||||
| 7209AC | 7405AC | 7038ACM | 7305ACM | 7432ACM | 71909C | QJ209M | QJ328M | 7219BM | |||
| 7210AC | 7406AC | 7040ACM | 7306ACM | 71910C | QJ210M | QJ330M | 7220BM | ||||
| 7211AC | 7407AC | 7044ACM | 7307ACM | 71911C | QJ211M | QJ336M | 7222BM |
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.)
We can supply a wide range of Auto bearings. The bearings are widely applicable to themost of cars in the world.
Detailed Photos
Packaging & Shipping
Company Profile
HangZhou Haver Seiko Bearing Co.,Ltd. is a high-end Automotive bearing manufacturer from ZheJiang China. Its headquarters is located in HangZhou,ZheJiang Province.HangZhou Haver Seiko Bearing Co.,Ltd. Exports 80% of its auto parts,covering more than 40% countries in Europe,the Middle East,Southeast Asia, and South America.
As a high-end brand in the automotive bearing manufacturing industry, HangZhou Haver Seiko Bearing Co.,Ltd. has more than 20 years of experience in automotive design and manufacturing,and can meet the most stringent requirements of customers.
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.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0/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. |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What 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 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 2024-05-07
China high quality China Factory Forklift Parts Deep Groove Ball Bearing 6304-2RS/C3 bearing bronze
Product Description
China Factory forklift parts Deep Groove Ball Bearing 6304-2RS/C3
Product Description
Our advantages:To provide the most suitable superior bearings for global customers
1. Provide different materials: stainless steel, bearing steel, carbon steel, ceramics, plastics
2. Provide different quality: ABEC9 ABEC7 ABEC5 ABEC3 ABEC0
3. Provide different brands:I .N. A S.K.F F.A.G NSK CZPT CZPT HCH EDINH
4. OEM services: LOGO customization, packaging customization,
According to the sizes of deep groove ball bearings can be divided into :
( 1 ) miniature bearings —- nominal diameter size range of 26mm below the bearing ;
( 2 ) small bearings —- nominal diameter size range of 28-55mm bearings ;
( 3 ) small and medium sized bearing —- nominal diameter size range of 60-115mm bearings ;
( 4) large bearing —- nominal diameter size range of 120-190mm bearing
( 5 ) Large bearing —- nominal diameter size range of 200-430mm bearings ;
( 6 ) large bearings —- nominal diameter size range of 440mm or more bearings.
Deep groove ball Applications:
Deep groove ball bearings can be used for transmission, instrumentation, motors, appliances,
internal combustion engines, transportation vehicles, agricultural machinery, construction machinery,
engineering machinery , roller skate style , yo-yo , precision instruments, low noise motors,
automobiles , motorcycles vehicles.
| designation | Dimensions | Mass | |||
| d | D | B | KG | ||
| 6204-RS | 6204-2RS | 20 | 47 | 14 | 0.103 |
| 6205-RS | 6205-2RS | 25 | 52 | 15 | 0.127 |
| 6206-RS | 6206-2RS | 30 | 62 | 16 | 0.203 |
| 6207-RS | 6207-2RS | 35 | 72 | 17 | 0.287 |
| 6208-RS | 6208-2RS | 40 | 80 | 18 | 0.367 |
| 6209-RS | 6209-2RS | 45 | 85 | 19 | 0.416 |
| 6210-RS | 6210-2RS | 50 | 90 | 20 | 0.462 |
| 6211-RS | 6211-2RS | 55 | 100 | 21 | 0.607 |
| 6212-RS | 6212-2RS | 60 | 110 | 22 | 0.783 |
| 6213-RS | 6213-2RS | 65 | 120 | 23 | 0.99 |
| 6214-RS | 6214-2RS | 70 | 125 | 24 | 1.1 |
| 6215-RS | 6215-2RS | 75 | 130 | 25 | 1.2 |
| 6216-RS | 6216-2RS | 80 | 140 | 26 | 1.4 |
| 6217-RS | 6217-2RS | 85 | 150 | 28 | 1.8 |
| 6218-RS | 6218-2RS | 90 | 160 | 30 | 2.15 |
| 6219-RS | 6219-2RS | 95 | 170 | 32 | 2.6 |
| 6220-RS | 6220-2RS | 100 | 180 | 34 | 3.2 |
| 6221-RS | 6221-2RS | 105 | 190 | 36 | 3.71 |
| 6222-RS | 6222-2RS | 110 | 200 | 38 | 4.44 |
| 6224-RS | 6224-2RS | 120 | 215 | 40 | 5.32 |
| 6226-RS | 6226-2RS | 130 | 230 | 40 | 6.13 |
| 6228-RS | 6228-2RS | 140 | 250 | 42 | 7.45 |
| 6230-RS | 6230-2RS | 150 | 270 | 45 | 9.4 |
| 6302-RS | 6302-2RS | 15 | 42 | 13 | 0.082 |
| 6303-RS | 6303-2RS | 17 | 47 | 14 | 0.115 |
| 6304-RS | 6304-2RS | 20 | 52 | 15 | 0.141 |
| 6305-RS | 6305-2RS | 25 | 62 | 17 | 0.219 |
| 6306-RS | 6306-2RS | 30 | 72 | 19 | 0.35 |
| 6307-RS | 6307-2RS | 35 | 80 | 21 | 0.454 |
| 6308-RS | 6308-2RS | 40 | 90 | 23 | 0.639 |
| 6309-RS | 6309-2RS | 45 | 100 | 25 | 0.836 |
| 6310-RS | 6310-2RS | 50 | 110 | 27 | 1.05 |
| 6311-RS | 6311-2RS | 55 | 120 | 29 | 1.35 |
| 6312-RS | 6312-2RS | 60 | 130 | 31 | 1.7 |
| 6313-RS | 6313-2RS | 65 | 140 | 33 | 2.1 |
| 6314-RS | 6314-2RS | 70 | 150 | 35 | 2.5 |
| 6315-RS | 6315-2RS | 75 | 160 | 37 | 3 |
| 6316-RS | 6316-2RS | 80 | 170 | 39 | 3.6 |
| 6317-RS | 6317-2RS | 85 | 180 | 41 | 4.25 |
| 6318-RS | 6318-2RS | 90 | 190 | 43 | 4.9 |
| 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 |
|
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 |
|
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 |
|
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 |
|
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 |
Detailed Photos
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| Seals Type: | Zz 2RS Open |
|---|---|
| Precision Rating: | P0 P4 P5 P6 |
| Structure: | Ball Bearing |
| Clearance: | C0 C2 C3 C4 C5 |
| Vibration: | Z1V1 Z2V2 Z3V3 Z4V4 |
| Type: | Ball |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| 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 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 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 2024-05-07
China best Miniature Deep Groove Ball Bearings, High Speed Ceramic Ball Bearings Sr1458c-Zz bearing block
Product Description
| Type No. | Metric Type | Bore Size: 1.50mm up to 12mm |
| Inch Type | Bore Size: 0.0781″ up to 0.75″ | |
| Flanged Metric Type | Bore Size: 1.50mm up to 12mm | |
| Flanged Inch Type | Bore Size: 0.0781″ up to 0.75″ | |
| Materials | Inner/Outer Race | AISI440C, AISI420 |
| Balls | AISI440C, AISI420, Si3N4 Ceramic | |
| Retainer | Rivet Cage, Crown Cage, Nylon Cage | |
| Seals/Shields | ZZ, ZZS, TTS, 2RS, 2RU | |
| Precision | ABEC-1, ABEC-3, ABEC-5, ABEC-7 | |
| Vibration & Noise | Z1, Z1V1, Z2V1, Z2V2, Z3V3 | |
| Lubrication | SRL,PS2, B325, SRI#2, M28, Oil Lube, Dried, etc.. | |
We mainly focuses on stainless steel small-sized ball bearings with full ranges. We’re especially good at the production of Extra-thin bearings, Bearings with flange, Hybrid Ceramic ball bearings, Non-standard bearings and Bearings with Teflon seals.
After decade of experiences to understand bearings and the needs of our clients, we spent much time and achieved enough capability for customized bearings, and continuously develop brilliant solutions for end-users.
Applications:
1). fishing equipments
2). hobby models
3). remote radio control products
4). power transmissions
5). medical instruments
6). office appliances, and more…
Q1: Can I get a free sample?
A1: We provide samples free in freight collected. For special samples requirement, please contact us for more details.
Q2: How could I pay?
A2: We prefer T/T or L/C at sight. If you prefer other payment terms, please contact us freely.
Q3: What is your brand and packing way? Can you produce my brand and packing?
A3: Our brand is SGC and our own packing materials. We can make your brand. For more details, please contact us.
Q4: What is the delivery lead time?
A4: It depends on the order quantities. The mass production lead time is about 45-60 days after receipt of the deposit.
Q5: Are you manufacturer or trading company?
A5: We are manufacturer and exporter. We provide all kinds of OEM services for clients around the world.
Q6: Where is your main market?
A6: We export to the North America, Mexico, Australia, South-east Asia, Europe, U.A.E., Turkey, and other countries.
Our Services
1. Professional QC and QA team to make sure all products qualified before shipping.
2. Competitive price.
3 .Standard package to ensure the safe transportation.
4. Professional service.
Why choose us?
1. Production
Qualified production, competitive price, professional service.
2. Quality
All products are inspected 100% before shipment by relative testing equipments.
/* 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(/(.*?):(.*)$/))&&1
| Materials of Races: | AISI440c, Precision Ground |
|---|---|
| Materials of Balls: | Si3n4 Ceramic |
| Seals: | Open, Shields, Rubber Seals, Metal Shields |
| Retainer: | Rivet Type |
| Precision: | ABEC-1, ABEC-3, ABEC-5 |
| Lubrication: | Sri-2, B-325, Mob-28, D45, SRL |
| Samples: |
US$ 0/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.
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.
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 2024-05-06
China OEM Double Rubber Sealed Bearings 6204 Motorparts Deep Groove Ball Bearing with High Quality ball bearing
Product Description
Double Rubber Sealed Bearings 6204 Motorparts Deep Groove Ball Bearing with High Quality
Product Description
Detailed Photos
Installation Instructions
Product Parameters
| Item Name | Bearing | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Item Model | Bearing for Industrial Machinery , Motorcycle , Automobiles , Power Tools and Mechanical Equipment | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Material | Chrom Steel / Bearing Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Specification | High Tempearture , High Speed , High Performance , Low Noise | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sealed | Metal , Plastic | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Metal Plating | Chrom | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Metal Engraving | Customized | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Packing | 10pcs/ tube packing or Box packing | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Carton | 4pcs spark plugs per day. Q3: How about your delivery time ? A3: Delivery time is 20days after you confirmed order. Q4: What is the benefit for the exclusive agency? A4: 1.Market Protection 2.Special price or discount in some months 3.Priority delivery 4.Free promotion materials:T-shirt Q7:Can you produce bearing with our sample? A7:Yes ,we can.and we will make new CZPT according to your samples. /* 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
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:
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.
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.
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.
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.
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
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.
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
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.
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:
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.
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.
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.
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.
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
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.
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.
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.
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.
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.
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 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:
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.
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.
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.
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.
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.
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.
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.
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.
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.
China Best Sales Single Row Ball Bearings Pillow Block Bearing UCFL201 Sizes supplierProduct Description
Single row ball bearings pillow block bearing UCFL201 SIZES Pillow block bearings is actually a variant of deep groove ball bearings, is characterized by its outer diameter surface of the sphere, you can play with the corresponding inner concave spherical bearing self-aligning effct.
Pillow block bearing mainly used to bearadical load mainly radial and axial joint load, generally should not alone bear the axial load ,such a bearing inner and outer ring can be installed separately. Company information: Packing : Shipping: a. For small weight or Urgent, goods will be delivery FAQ: Q2.: Could you accept OEM and customize? Q3.: Could you supply sample for free? Q4. : Does your factory have CE? Q5.: Is it your company is factory or Trade Company? Q6.: What time the guarantee of your bearing quality guarantee period:? Q7.: Could you tell me the payment term of your company can accept? Q8.: Could you tell me the delivery time of your goods? If you have any problems pls feel free to contact with me, thank you. /* 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
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:
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.
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.
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.
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.
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.
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.
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.
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
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.
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment. It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What 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:
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.
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.
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.
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.
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
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.
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.
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.
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.
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.
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:
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.
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.
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.
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.
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.
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.
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 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.
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.
China Custom China Manufacturer Factory Price Hjb. 45.2115 Ball Bearing in Large Stock with Best SalesProduct Description
China Manufacturer Factory Price HJB.45.2115 Ball Bearing In Large Stock Excavators, also known as excavating machinery, also known as excavators, are earth-moving machinery that use buckets to excavate materials above or below the bearing surface and load them into transport vehicles or unload them to a stockyard. We can provide alternative Swing circle for your , HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, DAEWOO, JCB,CASE, SUMITOMO, KATO, etc.,There are normal and non standard over 1000 hundreds types for you choose.
USA Excavator Slewing Rings
CAT70B CAT120B CAT311 CAT305.5 CAT306 CAT307 CAT308 CAT312 CAT315 CAT320 CAT323 CAT324 CAT325 CAT326 CAT330 CAT336 CAT345 CAT349 CAT365 CAT374 CAT390 CAT40/45 CAT60(YC60-8) E70B CAT80 CAT120B E140 E160 E180 E200B E215 E219 E219D CAT225/B/D CAT229 CAT305.5 CAT306/E E307 E307B E307C/D/E CAT308B E311B E312B CAT311C CAT311D CAT312C/D CAT313C/D CAT315 E320B E320C/D E323C/D E322 E324D CAT330B CAT330C CAT336D CAT336D1 E340 CAT345B CAT345C CAT345D CAT349D CAT365 CX50B CX55 CX210 CX210B CX210 CX210B CX240A
Japan Excavator Slewing Bearings
PC30 PC45 PC50 PC55 PC56 PC60-5-6-7 PC60-8 PC70-8 PC78 PC100-3 PC120-6 PC130-7 PC150 PC160 PC200-7/8 PC220 PC228 PC270 PC240 PC300-6/7 PC360 PC400-6/7/8 PC450-6 PC600-6 PC650-3 PC650 PC800 PC1000 PC1200 PC1250 PC300-7 PC300-8 PC350-6 PC350-7 PC350-8 PC360-7 PC400-5 PC400-5A PC400-6 PC400-7 PC400-8 PC450-6 PC450-7 PC450-8 PC650-6E PC650-8 PC200-8 PC210-10 PC210LC-10 PC210-7 PC220-7 PC220-8 PC230-7 PC240-8 PC200-8 PC210-8 PC220-8 PC270 PC300 PC300LC PC300-5 PC300-6 PC130-7(4D102) PC150-5 PC180-5 PC160-7 UH571 UH045 UH063 UH083 EX35 EX40 EX55 EX60 EX60-3 EX120 EX200 EX300 EX310 ZX60 ZX70 ZA80 ZX110 ZX120 ZX200 ZX210 ZX250 ZX290 ZX330 ZX470 ZX870EX1000 EX1200 ZX225UR ZX520 EX120-3 EX120-5 EX130H-5 ZAX110 ZAX120-6 ZAX120 UH07-7 ZAX200 ZXA210 ZAX200-3G ZAX250-3G ZAX200-3 ZAX200LC-3 ZAX210H-3 ZAX210LCH-3 ZAX210K-3 ZAX210LCK-3 ZAX210LCN-3 EX200-1/2 EX200LC-2 EX200-3 EX200LC-3 EX200H-3 EX200LCH-3 EX200-5 EX210H-5 EX210LCH-5 ZAX225 ZX230 EX220-2 EX220-3 EX220-5 EX270-5 EX230H-3 EX280H-5 ZAX240H ZAX240LCH SK35 SK50 SK60 SK75 SK100 SK120 SK200-1-2-3-4-5-6 SK230 SK250 SK260 SK280 SK300 SK330 SK330-6 SK350 SK400 SK450 SK480 RK200 SK55 SK60-3 SK60-5 SK60-8 SK60SR SK75/SK75-8 K904C SK905C SK907B K907C SK100 SK120-3 SK120-5 SK135 SK03 SK04 SK045N2 SK130 SK140-8 SK07-1-N2 SK07-N2 SK200-1 SK200-2 SK200-3 SK200-5 SK200-6 SK210-6 SK200-8 SK210-8 SK230-6E SK250-6 SK250-8 SK260-8 SK270D SK330-8 SK350-8 SK480-6 SK480-8 SH55 SH60 SH75 SH50 SH100 SH120 SH125 SH135 SH140 SH145 SH200 SH200-3-5 SH220-2-3 SH240 SH225 SH260 SH265 SH280 SH300 SH340 SH350 SH400 SH430 SH450 SH40T SH60-1 SH100A1 SH120 SH120A1 SH120A2 SH120A3 SH200A1 SH200A3 SH210A3 SH210A5 SH220-2 SH220-3 SH225 SH260 SH265 SH240-5 SH340 SH300A2 SH350 HD100 HD250 HD450 HD512 HD513 HD516 HD550 HD700 HD770 HD800 HD820 HD880 HD900 HD1571 HD1430 HD2045 HD250-5 HD250-7 HD307 HD400-7 HD512 HD513 HD516 HD700-5 HD700-7 HD820-1/2/3/7 HD770-5 HD800-8 HD800-7 HD900-7 HD770-1 HD770-2 HD770-SE HD1571-3 ViO35 ViO55 ViO75 NS60-5 BT160C BT175 IHI135 IHI150 IHI160 MS70-2 MS090-8 MS110-2 MS120-1/2 MS120-8 MS140-1 MS180-3 MS180-8 South Korea Slewing Ring Bearings
R55 R60 R80 R130LC-3-5 R150 R190 R200 R200-5 R210 R215-7/9 R220 R225LC-7/9 R245 R260 R265 R290 R290 R290LC-7 R300LC R305LC R330LC R340 R375 R360LC-7 R390 R450LC R470 R485 R500 R55-5 R60-5 R55-7 R60-7 R70-7 R80 R110LC-7 R130-5 R130-7 R140LC-7 R150LC-7 R150LC-9 R200W-7 R200 R200-3 R200-5 R210-3 R210-5 R210-5D R220-3 R220-5 R210-7 R210-9 R215-7 R225-7 R220-9 R225-9 R260-7 R265-7 R290-3 R300-5 R290-7 R305-7 R305-9 R320-7 DH35 DH55 DH60 DH55 DH60 DH80 DH80-7 DH80GOLD DH150 DH200 DH220-3-5 DH280-5 DX60-DX200-DX225 DX260 DH290 DH360 DH420 DH500 DH55-5 DH60/DX60 DH80/DH80GLD DH130-5 DH150-7 DX150 DH220-3 DH215-7 DH215-9E DH220-5 DH220-7 DH215-9 DH225-7/9 DX225-7 DH250-5 DX255-5 DH258-7 DH280 DH290 DH300-5 DH300 DH300-7 DX300-9 DH360-5/7 DH400-5 DH370-7 DH370-9 DH420 DH450-3 DH500 SE210-1 SE210-2
China Manufacturer Slew Ring
CLG904 CLG9055 CLG906 CLG907 CLG9075 CLG908 CLG915 CLG150 CLG920 CLG921 CLG922 CLG225 CLG924 CLG925 CLG933 CLG936 CLG939 CLG942 CLG948 CLG950 CLG952 CLG200 CLG205 CLG220 CLG225 XE55 XE60 XE65 XE75 XE80 XE85 XE135 XE150 XE155 XE200 XE205 XE215 XE225 XE245 XE270 XE305 XE335 XE370 XE380 XE400 XE470 XE490 XE700 YC13 YC18 YC18-3 YC35 YC45 YC55 YC65 YC65-2 YC85 YC85-3 YC135 YC225LC YC230 SY55 SY60 SY65 SY70 SY75 SY85 SY95 SY115 SY135 SY155 SY195 SY200 SY205 SY215 SY220 SY225 SY235 SY245 SY285 SY305 SY335 SY365 SY375 SY395 SY415 SY485
UK/SWEDEN/GERMANY Swing Bearing
R914 R924 R944 R944CLC
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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:
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.
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.
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.
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.
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.
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.
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.
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
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.
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment. It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What 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:
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.
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.
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.
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.
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
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.
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.
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.
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.
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.
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.
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 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 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 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 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 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 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 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 are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges. In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
China Best Sales Stainless Steel Miniature Ball Bearings with Bore Diameter 1.50mm up to 12mm bearing blockProduct Description
Stainless Steel Miniature Ball Bearings with Bore Diameter 1.50mm up to 12mm We provide Miniature Deep Groove Ball Bearings. Main numbers are :609, 608, 607, 606, 605, 604, 625,626, , has ZZ 2RS and double groove on the outer ring. Single row deep groove ball bearings have 2 designs: open or closed seal (with seal or dust cover). Open bearings can also be installed with seals or dust covers, and there are generally grooves on the side of the inner ring. 1. Miniature bearing in metric desings(d=1mm–9mm) 2. Miniature bearing in inch designs(d=1.984mm–9.525mm) 1’miniature flanged bearings in metric desings(d=1mm–12mm) 2’miniature flanged bearings in inch desings(d=1.984–9.525) Materials Chemical composition of high-carbon chrome bearing steel
Deep Groove Ball Bearing Features: High speed: high bearing speed, not easy to get hot High precision: bearing material is selected from bearing steel, with high precision High torque: high torque makes friction less and prolongs service life High quietness: low bearing noise, good quietness effect, Corrosion resistance: bearing steel has strong corrosion resistance Products Packing Our packaging is also very variable, the purpose is to meet the needs of different customers.The commonly used packages are as follows:
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:
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.
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.
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.
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.
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.
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.
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.
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
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:
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.
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.
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.
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.
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.
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.
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.
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.
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 Factors should be Considered when Selecting a Ball Bearing for a Particular Application?Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application. By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
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