Product Description

Name: double row tapered roller bearing JRM4249/JRM4210XD JRM4200-SA DU427639 DU42760039 wheel bearing
Type: wheel bearing
Position: front axle
Weight: 0.62 KG
Specifications: 42*76*39mm
Material: Chrome steel/GCR-15
Technology: Hot forging
CAGE: TN Nylon
SEAL: ZZ, 2RS, 4RS, ABS, OPEN
Rolling body: Steel ball/roller
ABS: Without/With
Quality: Top grade
Brands: DHXB, OEM
Origin: China
Pictures were taken in kind, if you want more details please contact us, we provide quality products with competitive advantages for you!

Ref #:

Manufacturer Numer Manufacturer Numer Manufacturer Numer
HYUNDAI 51720-2J001 FAGBEARING 579102A SKFBEARING VKBA6591
HYUNDAI 52710-26500 FAGBEARING FW958 SKFBEARING VKBA7571
HYUNDAI 52710-26510 OE 0K552-33-047 SKFBEARING VKBA6956
HYUNDAI 52710-26530 OE 0K56A-33-047 SKFBEARING FW115
HYUNDAI 52720-1F000 OE 5571-3E200 SKFBEARING FWB115
KIA 50300-3E201 OE E6DC-1215A NTN 4TCRI0821
KIA 51720-2J000 OE MJA1830AD NTN CRI0846
KIA F1DC-1215AA OE E9DZ-1215A TIMKEN SET49
ABS 201356 OE MJA1830AE SNR R184.58

Adaptable Auto Mode:
HYUNDAI SANTA FÉ I (SM) 2000/11-2006/03
HYUNDAI SONATA IV (EF) 1998/03-2005/12
KIA CARNIVAL I (UP) 1998/06-2001/10
KIA CARNIVAL II (GQ) 1999/01-2007/09


Introduction to WHEEL BEARINGS
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.

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ZheJiang  Huaxu Bearing Co.,Ltd 
Our factory specialize wheel hub bearing, wheel bearing kit, clutch bearing, taper roller bearing, truck bearing, wheel hub bearing in high quality.
Our bearings have large loading capacity and long lifetime, and widely fit in different vehicles.
And we can produce bearings which can meet your multifarious demands.
For example, wheel bearing, taper roller bearing, clutch release bearing, ball bearing, truck bearing ect.

Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.

Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.

Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples? 
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users. 

Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you; 
2. Proforma Invoice made and sent to you as the price agreed by both parts; 
3. Deposit Payment after confirming the PI and we arrange production; 
4. Balance paid before shipment or after copy of Bill of Loading.

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After-sales Service: Full After Sale Service
Warranty: 50000 Km
Type: Wheel Bearing
Material: Chrome Steel/Gcr-15
Tolerance: ABEC-3/P6
Certification: ISO9001, IATF16949: 2016
Samples:
US$ 0/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Proper lubrication is essential for ensuring optimal performance and longevity of tapered roller bearings. Lubrication plays a critical role in reducing friction, preventing wear, and managing heat generated during operation. Here’s how proper lubrication impacts tapered roller bearings:

  • Reduced Friction:

Lubrication forms a thin film between the rolling elements and raceways, reducing direct metal-to-metal contact. This minimizes friction and the associated heat generation, allowing the bearing to operate smoothly and efficiently.

  • Wear Prevention:

Lubrication forms a protective barrier that prevents wear and surface damage. Without proper lubrication, friction can lead to accelerated wear, pitting, and even surface scoring, shortening the bearing’s lifespan.

  • Heat Dissipation:

Effective lubrication helps dissipate heat generated during operation. This is especially crucial in high-speed applications where excessive heat can lead to premature bearing failure or degradation of lubricant properties.

  • Corrosion Protection:

Lubrication helps create a barrier that protects bearing surfaces from environmental factors that could lead to corrosion. This is particularly important in applications exposed to moisture, chemicals, or other corrosive agents.

  • Noise and Vibration Reduction:

Proper lubrication can dampen vibrations and reduce noise by providing a cushioning effect between the rolling elements and raceways. This contributes to smoother and quieter operation.

  • Longevity:

Well-lubricated bearings experience less wear and stress, leading to extended service life. Bearings that are inadequately lubricated or run dry are prone to premature failure due to excessive wear, heat buildup, and damage to bearing surfaces.

  • Efficiency:

Adequate lubrication maintains the bearing’s efficiency by minimizing energy losses due to friction. Bearings that lack proper lubrication require more energy to overcome higher friction levels, resulting in reduced efficiency.

  • Lubrication Methods:

Various lubrication methods are available, including grease lubrication and oil lubrication. The choice depends on factors such as speed, load, temperature, and application requirements.

To ensure proper lubrication:

  • Follow Manufacturer Recommendations:

Consult the bearing manufacturer’s recommendations for lubricant type, viscosity, and replenishment intervals.

  • Monitor and Maintain:

Regularly monitor the condition of the lubricant and the bearing’s performance. Implement a maintenance schedule for lubricant replacement or replenishment.

  • Environmental Considerations:

Consider the operating environment’s temperature, contamination levels, and exposure to external elements. Some applications may require special lubricants for extreme conditions.

In summary, proper lubrication is crucial for maintaining tapered roller bearings’ performance, preventing wear, reducing friction and heat, and extending their lifespan. A well-lubricated bearing contributes to smoother operation, lower maintenance costs, and improved efficiency.

tapered roller bearing

What Advantages do Tapered Roller Bearings Offer Compared to Other Bearing Types?

Tapered roller bearings offer several advantages that make them a preferred choice in various applications compared to other bearing types. These advantages stem from their unique design and capabilities. Here’s a look at the benefits of tapered roller bearings:

  • High Load-Carrying Capacity:

Tapered roller bearings can handle both radial and axial loads simultaneously, making them suitable for applications with combined loads. Their conical geometry allows for effective load distribution, enabling them to support heavy loads without premature wear.

  • Efficient Axial Load Handling:

Tapered roller bearings excel at managing axial (thrust) loads in one direction. This capability is crucial in applications where axial loads are present, such as automotive transmissions or industrial machinery.

  • Reduced Friction and Heat Generation:

The conical shape of the rollers and the matching raceways result in point contact, reducing friction and minimizing heat generation. This efficiency contributes to improved overall performance and energy savings.

  • Adjustable Clearance and Preload:

Tapered roller bearings often allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s play, optimizing performance and extending the bearing’s lifespan.

  • High Precision:

Tapered roller bearings are available in various precision classes to meet different application requirements. Their precision makes them suitable for applications demanding accurate motion control and positioning.

  • Versatility:

Tapered roller bearings are used in a wide range of industries and applications, from automotive and heavy machinery to aerospace and industrial equipment. Their ability to handle diverse loads and conditions contributes to their versatility.

  • Durability:

Tapered roller bearings are designed to withstand shocks and impacts, making them suitable for applications with dynamic loads or vibrations. Their robust construction contributes to their overall durability.

  • High-Speed Capability:

Tapered roller bearings can operate at high speeds due to their efficient contact geometry and reduced friction. This makes them suitable for applications requiring rapid rotation.

  • Cost-Effectiveness:

While the initial cost may vary, tapered roller bearings are often cost-effective due to their long service life and ability to handle heavy loads. Their durability can lead to reduced maintenance and replacement costs over time.

  • Compatibility with Combined Loads:

Tapered roller bearings are well-suited for applications where radial and axial loads occur simultaneously, eliminating the need for multiple bearing types and simplifying design and installation.

In summary, tapered roller bearings offer a combination of load-carrying capacity, efficiency, adjustability, precision, and versatility that sets them apart from other bearing types. Their ability to handle a variety of loads and conditions makes them an advantageous choice in numerous industrial applications.

tapered roller bearing

What Factors should be Considered when Selecting a Tapered Roller Bearing for a Specific Application?

Choosing the right tapered roller bearing for a specific application involves considering various factors to ensure optimal performance and reliability. Here are the key factors to consider:

  • Load Requirements:

Assess the types and magnitudes of both radial and axial loads the bearing will experience. Choose a tapered roller bearing with a load capacity that comfortably exceeds the expected loads to prevent premature wear or failure.

  • Speed:

Determine the required rotational speed of the bearing. High-speed applications may require bearings designed for reduced friction and heat generation to maintain efficiency and avoid overheating.

  • Precision and Tolerance:

Consider the level of precision required for the application. Tapered roller bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) grades, which impact factors like smoothness and accuracy of rotation.

  • Mounting and Installation:

Assess the available space for mounting the bearing and consider the ease of installation. Bearings with adjustable clearance or preload might be advantageous for fine-tuning the bearing’s internal play.

  • Temperature and Environment:

Take into account the operating temperature range and environmental conditions of the application. Extreme temperatures or corrosive environments may require specific bearing materials or coatings.

  • Lubrication:

Choose an appropriate lubricant based on the application’s speed, temperature, and load conditions. Proper lubrication ensures smooth operation, reduces friction, and prolongs the bearing’s lifespan.

  • Cost and Budget:

Consider the budget allocated for bearings. High-precision or specialized bearings may come at a higher cost, but their performance benefits can outweigh the initial investment over the bearing’s service life.

  • Application Type:

Identify the specific industry and application in which the bearing will be used. Tapered roller bearings are employed in various sectors, including automotive, heavy machinery, aerospace, and more.

  • Expected Lifespan:

Estimate the required bearing lifespan for the application. Factors such as load, speed, and maintenance practices can impact the bearing’s longevity.

  • Bearing Size and Design:

Choose a bearing size that fits within the application’s space constraints while providing the necessary load capacity. The design, including the number and arrangement of rollers, can influence load distribution and performance.

  • Maintenance Requirements:

Consider the maintenance schedule and accessibility for bearing inspection and replacement. Bearings in applications with limited maintenance intervals may require enhanced durability.

In conclusion, selecting a tapered roller bearing for a specific application involves assessing load requirements, speed, precision, mounting, temperature, lubrication, cost, application type, expected lifespan, bearing size, and maintenance considerations. Careful evaluation of these factors ensures that the chosen bearing meets the demands of the application while providing reliable performance and longevity.

China Best Sales Double Row Tapered Roller Bearing Jrm4249/Jrm4210xd Jrm4200-SA Du427639 Du42760039 Wheel Bearing   supplierChina Best Sales Double Row Tapered Roller Bearing Jrm4249/Jrm4210xd Jrm4200-SA Du427639 Du42760039 Wheel Bearing   supplier
editor by CX 2024-05-08