Product Description
Front and Rear Wheel Bearing Dac35650035zz Wheel Hub Bearing Dac356535zz
Wheel hub bearing is the main function of bearing and provide accurate CZPT to the rotation of the wheels, it was under axial load and bear radial load, is a very important component. Traditional car wheel with bearing is combined by 2 sets of tapered roller bearings or ball bearings, and the installation of the bearing, oil seal and clearance adjustment is carried out on the auto production line. This structure makes it in the car factory assembly difficulty, high cost and poor reliability, and when the car in pits maintenance, also need to clean, oil bearing and adjustment. Wheel hub bearing unit is in the standard angular contact ball bearings and tapered roller bearings, on the basis of it will be 2 sets of bearing as a whole, has the assembly clearance adjustment performance is good, can be omitted, light weight, compact structure, large load capacity, for the sealed bearing prior to loading, ellipsis external wheel grease seal and from maintenance etc, and has been widely used in cars, in a truck also has a tendency to gradually expand the application
Double row roller or ball wheel bearings, composed of 2 interior sets housed in 1 outer ring, can withstand large radial and axial loads in both directions.
They allow for rigid bearing arrangements and are suitable for bearing arrangements where rigid axial guidance is required.
The double row roller/ball wheel bearing allow for space saving applications and in many cases the bearing require no maintenance since it’s lubricated for life.
Widely used in Paper machines, conveyor equipment, rotary kilns, drums, tube mills, converters, large electrical machines,
rail vehicles,the mining, metallurgical, chemical industry, agriculture, transportation and other machinery.
Production process
1. CZPT machining of steel pipe;
2. The inner & outer ring grinding;
3. The precision work of inner ring & outer ring;
4. Bearing cleaning;
5. The Assembly of inner ring , outer ring , bearing balls & cage, etc;
6. Bearing inspection( precison, noise & vibration levels);
7. Packing: in box , then in carton, or as the customers’ request…
(mm) | () | |||||||
d1 | D | C | ||||||
DAC25525716 | 565592 | 25 | 52 | 20.6 | 20.6 | 0.19 | ||
DAC25520037 | 156704 | 25 | 52 | 37 | 37 | 0.31 | ||
DAC25520042 | 617546A | 25BWD01 | 25 | 52 | 42 | 42 | 0.36 | |
DAC25520043 | 546467/576467 | BT2B445539AA | 25 | 52 | 43 | 43 | 0.36 | |
DAC25550043 | 25 | 55 | 43 | 43 | 0.44 | |||
DAC25560032 | 445979 | BAH5000 | 25 | 56 | 32 | 32 | 0.34 | |
DAC29530037 | 857123AB | 29 | 53 | 37 | 37 | 0.35 | ||
DAC30600037 | 30 | 60 | 37 | 37 | 0.42 | |||
DAC30600337 | 529891AB | BA2B633313CA | 30BWD07 | 30 | 60.3 | 37 | 37 | 0.42 |
DAC30600337 | 545312/581736 | 434201B/VKBA1307 | 30BWD07 | 30 | 60.3 | 37 | 37 | 0.42 |
DAC34620037 | 531910/561447 | BAHB311316B/3 0571 4 | 34 | 62 | 37 | 37 | 0.41 | |
DAC34640034 | VKBA1382 | 34BWD03/ACA78 | 34 | 64 | 34 | 34 | 0.43 | |
DAC34640037 | 532066DE | 605214/VKBA1306 | 34BWD04/BCA70 | 34 | 64 | 37 | 37 | 0.47 |
DAC34640037 | 540466B/8571 | BA2B3 0571 6 | 34BWD11 | 34 | 64 | 37 | 37 | 0.47 |
DAC34660037 | 559529/580400CA | 636114A/479399 | 34BWD10B | 34 | 66 | 37 | 37 | 0.5 |
DAC35640037 | BAH0042 | 35 | 64 | 35 | 35 | 0.4 | ||
DAC35650035 | 546238A | BA2B443952/445620B | 35 | 65 | 35 | 35 | 0.4 | |
DAC35650037 | 35BWD19E | 35 | 65 | 37 | 37 | 0.51 | ||
DAC35660032 | 445980A/BAH-5001A | 35 | 66 | 32 | 32 | 0.42 | ||
DAC35660033 | 633676/BAH-0015 | 35 | 66 | 33 | 33 | 0.43 | ||
DAC35660037 | 544307C/581571A | 311309/BAH-571 | 35 | 66 | 37 | 37 | 0.48 | |
DAC35680037 | 430042C | 633528F/633295B | 35BWD21(4RS) | 35 | 68 | 37 | 37 | 0.52 |
DAC35680037 | 541153A/549676 | BAH0031 | 35 | 68 | 37 | 37 | 0.52 | |
DAC35720033 | 548083 | BA2B445535AE | XGB 4571 | 35 | 72 | 33 | 33 | 0.58 |
DAC35720033 | 548033 | 456162/44762B | XGB 4571 | 35 | 72 | 33 | 33 | 0.58 |
DAC3572571 | BAHB633669/BAH0013 | 35 | 72.04 | 33 | 33 | 0.58 | ||
DAC35725713/31 | 562686 | VKBA1343 | 35BWD06ACA111 | 35 | 72.02 | 33 | 31 | 0.54 |
DAC35720034 | 54 0571 /548376A | VKBA857 | 35BWD01C | 35 | 72 | 34 | 34 | 0.58 |
DAC35770042 | VKBA3763 | 34.99 | 77.04 | 42 | 42 | 0.86 | ||
DAC37720033 | BAH0051B | 37 | 72 | 33 | 33 | 0.51 | ||
DAC37720037 | BAH0012AM5S | 37 | 72 | 37 | 37 | 0.59 | ||
DAC37725717 | 527631 | 633571CB | 37 | 72.02 | 37 | 37 | 0.59 | |
DAC37740045 | 541521C | 35715A | 37BWD01B | 37 | 74 | 45 | 45 | 0.79 |
DAC38700037 | ZFRTBRGHOO37 | BAHB636193C | 38 | 70 | 37 | 37 | 0.56 | |
DAC38700038 | 686908A | 38BWD31CA53 | 38 | 70 | 38 | 38 | 0.57 | |
DAC38710033/30 | FW135 | 38BWD09ACA120 | 37.99 | 71.02 | 33 | 30 | 0.5 | |
DAC38710039 | 574795A | VKBA3929 | 30BWD22 | 37.99 | 71 | 39 | 39 | 0.62 |
DAC38720036/33 | 30BWD12 | 38 | 72 | 36 | 33 | |||
DAC38720040 | 575069B | VKBA1377 | 38 | 72 | 40 | 40 | 0.63 | |
DAC38730040 | VKBA3245 | 38BWD26E | 38 | 73 | 40 | 40 | 0.67 | |
DAC38740036/33 | 574795A | DAD3874368W | 38BWD01ACA121 | 38 | 74 | 36 | 33 | 0. |
Specifications
Wheel hub Bearings
1. High quality and competitive price
2. Excellent in craftsmanship
3. Low noise and long life
Company information:
Guanxian Xinyan Pillow Block Bearing Co.,ltd. is based in ZheJiang (CHINA) since 2011 and is 1 of the biggest authorized manufactures and exporters of bearing. We’ve been dedicated to provide all types of hiigh quality bearings to OEM, Retailers and traders throughout international market since the moment established. Pillow block bearings, bearings housing,insert bearings and deep groove ball bearings are all we specialized. We are also developing nonstandard bearings as per the drawings from customers.
Up to now, we have exported our goods to Italy, Brazil, Argentina, Poland, India, Pakistan, Bangladesh,Thailand etc. First class service, efficient delivery methods, the most competitive quality-price ratio, we dedicated to provide you quality brand bearings. Sincerely welcome new and old customers visit and build cooperation.
Packing :
Single box + cartons + pallets or as your requirements.
Shipping:
By Air / By Sea /By Express
a. For small weight or Urgent, goods will be delivery
by Express DHL/FedEX/UPS/TNT/EMS
b.For max production,goods will be shipped by sea/by air.
c.According to your requirements
Why choose BXY?
Quality, loyalty and service is our faith!
Deemed continuous improvement as our permanent pursuits.
Q1.: How many the MOQ of your company?
A1.: Our company MOQ is 1pcs.
Q2.: Could you accept OEM and customize?
A2.:YES, we can customize for you according to sample or drawing.
Q3.: Could you supply sample for free?
A3.: Yes, we can supply sample for free, but need our customer afford freight.
Q4. : Does your factory have CE?
A4.: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.
Q5.: Is it your company is factory or Trade Company?
A5.: We have our own factory; our type is factory + trade.
Q6.: What time the guarantee of your bearing quality guarantee period:?
A6.: 6 months ,Customer need supply photos and send bearing back.
Q7.: Could you tell me the payment term of your company can accept?
A7.: T/T, Western Union, PayPal, T/T, L/C
Q8.: Could you tell me the delivery time of your goods?
A8.: 7-15 days , mostly base on your order quantity
If you have any problems pls feel free to contact with me, thank you.
Contact Tracy
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Material: | Bearing Steel |
---|---|
Hardness: | 60-62 |
Clearance: | C0, C1, C2, C3 |
Vibration: | Z1V1, Z2V2, Z3V3 |
Certisificate: | Is09000-2008 |
Tolerance: | ABEC-3, ABEC-5, ABEC-7 |
Customization: |
Available
| Customized Request |
---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-05-10