Product Description
Steel High Speed Wheel Hub Bearing/Automotive Wheel Bearing Units/Wheel Bearing
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 processÂ
1. CZPT machining of steel pipe;
2. The inner &Â outer ring grinding;
3. The precision work of inner ring &Â outer ring;
4. Bearing cleaning;
5. The Assembly of inner ring , outer ring , bearing balls & cage, etc;
6. Bearing inspection( precison, noise &Â vibration levels);
7. Packing: in box , then in carton, or as the customers’ request…
 |  |  |  | (mm) | () | |||
d1 | D | Â | C | |||||
DAC25525716 | 565592 | Â | Â | 25 | 52 | 20.6 | 20.6 | 0.19 |
DAC25520037 | 156704 | Â | Â | 25 | 52 | 37 | 37 | 0.31 |
DAC25520042 | Â | 617546A | 25BWD01 | 25 | 52 | 42 | 42 | 0.36 |
DAC25520043 | 546467/576467 | BT2B445539AA | Â | 25 | 52 | 43 | 43 | 0.36 |
DAC25550043 | Â | Â | Â | 25 | 55 | 43 | 43 | 0.44 |
DAC25560032 | 445979 | BAH5000 | Â | 25 | 56 | 32 | 32 | 0.34 |
DAC29530037 | 857123AB | Â | Â | 29 | 53 | 37 | 37 | 0.35 |
DAC30600037 | Â | Â | Â | 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 | Â | 34 | 62 | 37 | 37 | 0.41 |
DAC34640034 | Â | 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 | Â | BAH0042 | Â | 35 | 64 | 35 | 35 | 0.4 |
DAC35650035 | 546238A | BA2B443952/445620B | Â | 35 | 65 | 35 | 35 | 0.4 |
DAC35650037 | Â | Â | 35BWD19E | 35 | 65 | 37 | 37 | 0.51 |
DAC35660032 | Â | 445980A/BAH-5001A | Â | 35 | 66 | 32 | 32 | 0.42 |
DAC35660033 | Â | 633676/BAH-0015 | Â | 35 | 66 | 33 | 33 | 0.43 |
DAC35660037 | 544307C/581571A | 311309/BAH-571 | Â | 35 | 66 | 37 | 37 | 0.48 |
DAC35680037 | 430042C | 633528F/633295B | 35BWD21(4RS) | 35 | 68 | 37 | 37 | 0.52 |
DAC35680037 | 541153A/549676 | BAH0031 | Â | 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 | Â | BAHB633669/BAH0013 | Â | 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 | Â | VKBA3763 | Â | 34.99 | 77.04 | 42 | 42 | 0.86 |
DAC37720033 | Â | BAH0051B | Â | 37 | 72 | 33 | 33 | 0.51 |
DAC37720037 | Â | BAH0012AM5S | Â | 37 | 72 | 37 | 37 | 0.59 |
DAC37725717 | 527631 | 633571CB | Â | 37 | 72.02 | 37 | 37 | 0.59 |
DAC37740045 | 541521C | 35715A | 37BWD01B | 37 | 74 | 45 | 45 | 0.79 |
DAC38700037 | ZFRTBRGHOO37 | BAHB636193C | Â | 38 | 70 | 37 | 37 | 0.56 |
DAC38700038 | Â | 686908A | 38BWD31CA53 | 38 | 70 | 38 | 38 | 0.57 |
DAC38710033/30 | Â | FW135 | 38BWD09ACA120 | 37.99 | 71.02 | 33 | 30 | 0.5 |
DAC38710039 | 574795A | VKBA3929 | 30BWD22 | 37.99 | 71 | 39 | 39 | 0.62 |
DAC38720036/33 | Â | Â | 30BWD12 | 38 | 72 | 36 | 33 | Â |
DAC38720040 | 575069B | VKBA1377 | Â | 38 | 72 | 40 | 40 | 0.63 |
DAC38730040 | Â | 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.Â
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 +Â cartons +Â pallets or as your requirements.
Shipping:
By Air  / By Sea /By Express
a. For small weight or Urgent, goods will be delivery  Â
     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. :Â 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.:Â Â What time the guarantee of your bearing quality guarantee period:?
A6.: 6Â 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 Â
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 |
---|
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 Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2024-04-25