China best 370021A National Oil Seal Axle Wheel Hub for Trailer Truck drive axle

Product Description

Product Description

Basic information:

Oil seal is often called grease, fluid, dirt or lip seals. Oil seal is an integral part in any rotating and moving part assembly. They close spaces between stationary and moving components in mechanical equipment. In most applications, the seal is either partially or temporarily immersed or is simply exposed to splashing lubricant, particularly in engines, transmissions, gearboxes or axles. They are vital components of almost every type of machine and vehicle in operation. An oil seal normally consists of 3 basic components: The Sealing Element (the nitrile rubber part), the Metal Case, and the Spring. It is a widely used sealing component. The function of a seal is to prevent the leakage of medium along the moving parts.

Master Wheel Seal Cross Reference
Scotseal Classic Scotseal Plus XL Scotseal Pro National Red National Gold Grit-Guard Guardian Voyager Discovery Meritor Standard Meritor Premium Conmet
35066 35058 35058PRO 370001A 380001A 382-8036 308-571 3883-0136 383-5716 MER0136 MER5716
38780 38776 38776PRO 37571A 38571A 392-9099 309-571 393-0112 393-5712 MER0112 MER5712  
40136 40129 40129PRO 370036A 380036A 372-7098 307- 0571 373-0113 373-5713 MER0113 MER5713  
42623 42627 42627PRO 370065A 380065A 372-7099 307-0723 373-0123 373-5713 MER0123 MER5713
43764 43761 43761PRO 370048A 380048A 382-8064 308-0864 383-0164 383-0264 MER0164 MER0264
46305 46300 46300PRO 370571A 380571A 372-7097 307- 0571 373-0143 373-5713 MER0143 MER5713
47697 47691 47691PRO 370003A 380003A 392-9131 309- 0571 393-0173 393-5713 MER0173 MER5713
28758 28759   370150A   382-8066 308-0866 383-0166        

 

Oil Bath Seal List

Part Name SIZE “ OEM
National Oil Seal 3.5 4.842 0.925 370001A
National Oil Seal 3.5 5 1 370002A
National Oil Seal 4.765 6.311 1.078 370003A
National Oil Seal 4.812 6.5 0.865 370004A
National Oil Seal 4.765 6.251 0.605 370005A
National Oil Seal 4.765 6.999 1.25 370006A
National Oil Seal 4.875 6.373 0.921 370007A
National Oil Seal 3.937 5.372 1.015 370008A
National Oil Seal 3.937 5.501 0.937 370009A
National Oil Seal 2.875 4.125 0.842 37571A
National Oil Seal 3.625 5 0.875 370011A
National Oil Seal 3.625 4.81 0.921 370012A
National Oil Seal 3.312 5 0.937 370013A
National Oil Seal 3.125 4.5 0.605 370014A
National Oil Seal 4 5.375 1 370015A
National Oil Seal 3.25 4.5 0.605 370018A
National Oil Seal 4.375 6.251 0.605 370019A
National Oil Seal 4.5 6 0.984 37571A
National Oil Seal 4.5 6.251 0.61 370571A
National Oil Seal 4.5 5.75 0.96 370571A
National Oil Seal 3.875 5.69 0.875 37571A
National Oil Seal 3.875 5.501 0.875 370571A
National Oil Seal 4.625 5.999 0.84 370571A
National Oil Seal 4.635 6.007 0.937 370026A
National Oil Seal 4.812 6.311 1.062 370571A
National Oil Seal 5 6.25 1.375 37571A
National Oil Seal 3.187 5 0.765 37571A
National Oil Seal 4.265 6.064 0.605 370030A
National Oil Seal 4.25 6.25 1.188 370031A
National Oil Seal 3.875 5.126 0.605 370033A
National Oil Seal 4.375 6.311 1.09 370034A
National Oil Seal 4 5.757 0.93 370036A
National Oil Seal 4.375 5.757 1 370037A
National Oil Seal 5 7.437 0.605 370038A
National Oil Seal 5.5 7.125 1.187 370043A
National Oil Seal 3.125 4.625 0.605 370046A
National Oil Seal 3.437 4.755 0.605 370047A
National Oil Seal 4.375 5.905 1 370048A
National Oil Seal 4.625 6.622 1.093 370051A
National Oil Seal 2.875 4.175 0.822 370054A
National Oil Seal 4.875 6.437 0.921 370057A
National Oil Seal 5 6.25 0.605 370063A
National Oil Seal 5.625 7.186 0.906 370064A
National Oil Seal 4.25 6.008 1 370065A
National Oil Seal 4 5.626 0.605 370066A
National Oil Seal 5.25 7.375 1 370069A
National Oil Seal 4.5 6.622 1.093 370078A
National Oil Seal 4.5 6.31 1.175 37 A
National Oil Seal 4.125 5.375 0.605 370094A
National Oil Seal 4.166 5.5 0.605 375716A
National Oil Seal 4.25 6.035 0.915 375717A
National Oil Seal 4.875 6.622 1 375719A
National Oil Seal 5.64 7.501 0.605 370119A
National Oil Seal 5.5 7.25 1.187 370120A
National Oil Seal 4.875 6.5 1 370121A
National Oil Seal 4.5 5.374 0.984 370124A
National Oil Seal 4.5 5.876 0.984 370131A
National Oil Seal 3.5 4.543 0.788 370132A
National Oil Seal 3.125 4.174 0.5 370145A
National Oil Seal 2.875 3.875 0.5 370150A
National Oil Seal 3.875 5.376 0.985 370165A
National Oil Seal 5 6.622 1.093 370166A
National Oil Seal 3.5 4.751 0.605 370169A
National Oil Seal 4.765 6.25 1.05 370173A
National Oil Seal 7.25 8.75 0.605 370175A
National Oil Seal 4.5 5.5 0.675 370178A
National Oil Seal 3.5 4.45 0.843 370179A
National Oil Seal 4.765 5.999 1.031 370181A
National Oil Seal 4.375 5.905 1 370182A
National Oil Seal 3.312 4.501 0.605 370191A
National Oil Seal 4.5 6.441 0.937 370192A
National Oil Seal 4.875 6.001 0.625 370195A
National Oil Seal 4.04 5.122 0.945 370198A
National Oil Seal 2.948 4.725 0.526 375711A
National Oil Seal 4.625 5.999 0.89 375716A
National Oil Seal 2.25 3.372 0.475 375719A
National Oil Seal 4.375 5.757 0.6 370338A
National Oil Seal 4 5.757 0.6 37 0571 A
National Oil Seal 2.75 3.779 0.767 37571A
National Oil Seal 4.25 6.048 0.68 376590A

 

Our Advantages:

 

1.  We cooperate with first-class raw material suppliers in China and abroad, using the best raw materials. High quality NBR, silicon and FKM materials are imported from USA, Germany and Southeast Asia.

2. Top quality custom rubber products that can completely meet your needs.

3. Fast production & in-time delivery that never delay your project and usage.

4. One-stop custom service and value-added service to save your time and cost.

5. OEM/ODM Services are available. We can design and produce various Non-standard
    Rubber Parts according to your PDF,3D or STEP drawing files.

6. All of rubber finished products are 100% inspected before shipment. 

 

Contact us

Cherry Wang (Sales Manager)

 
HangZhou HONGLEI SEAL MANUFACTURING CO.,LTD.
Address:
Xihu (West Lake) Dis. County Industrial Zone, HangZhou City, ZheJiang Province, China
KDIK Oil Seals Senior Manufacturer Wholesale for Global Retailers
We are professional oil seals factory with more than 18 years experience.
Send your Inquiry Details in the Below for More Information! Free Sample ! ↓↓↓ 

Material: NBR
Usage: Rear Axle
Type: Oil Bath Seal
Speed: High Speed
Pressure: Pressure Type
Lip: Composite Lip
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

axle hub

Can you recommend reliable brands for purchasing replacement axle hubs?

When it comes to purchasing replacement axle hubs, there are several reliable brands known for their quality and durability. Here are some recommended brands:

  • Timken: Timken is a well-known brand that specializes in manufacturing high-quality bearings and hub assemblies. They have a reputation for producing reliable and long-lasting products. Timken axle hubs are widely used in the automotive industry and are trusted by both professionals and DIY enthusiasts.
  • Moog: Moog is another reputable brand that offers a wide range of suspension and steering components, including axle hubs. Moog axle hubs are known for their precision engineering, excellent build quality, and reliable performance. They are designed to meet or exceed OEM (Original Equipment Manufacturer) specifications and are a popular choice among car owners.
  • ACDelco: ACDelco is a trusted brand that provides a comprehensive range of automotive replacement parts. Their axle hubs are designed to deliver reliable performance and durability. ACDelco axle hubs are often recommended for their compatibility with various vehicle makes and models, making them a reliable choice for replacement.
  • SKF: SKF is a well-established brand with a strong reputation in the automotive industry. They are known for their high-quality bearings and hub assemblies, including axle hubs. SKF axle hubs are engineered to provide excellent performance and longevity. They are often regarded as a premium option for those seeking reliable replacement parts.
  • NTN: NTN is a trusted manufacturer of bearings and hub assemblies. They offer a range of axle hubs that are designed to meet stringent quality standards. NTN axle hubs are known for their durability and precise fitment, making them a reliable choice for replacement in various vehicles.

It’s important to note that the availability of specific brands may vary depending on your location and the make and model of your vehicle. Additionally, it’s always a good idea to consult with a trusted mechanic or do thorough research to ensure the compatibility of the axle hubs with your vehicle before making a purchase.

In summary, some reliable brands for purchasing replacement axle hubs include Timken, Moog, ACDelco, SKF, and NTN. These brands have a solid reputation for producing high-quality and durable axle hubs, making them trusted choices for maintaining and repairing your vehicle’s axle system.

axle hub

Where can I find a comprehensive guide for DIY replacement of an axle hub?

If you are looking for a comprehensive guide to assist you with the DIY (Do-It-Yourself) replacement of an axle hub, there are several reliable sources you can refer to. Here’s a detailed explanation:

  • Manufacturer’s Service Manual: The first and most authoritative source of information for any vehicle repair or maintenance task is the manufacturer’s service manual. The service manual provides detailed instructions, diagrams, and specifications specific to your vehicle’s make, model, and year. It covers all aspects of the vehicle, including axle hub replacement procedures. You can usually obtain the manufacturer’s service manual from the vehicle manufacturer’s official website or through authorized dealerships.
  • Online Repair Guides: Many reputable automotive websites and forums offer comprehensive online repair guides. These guides often include step-by-step instructions, accompanied by photographs or illustrations, to help you through the process of replacing an axle hub. Some websites compile user-contributed guides, while others are created by automotive professionals. Popular sources for online repair guides include AutoZone, RepairPal, and iFixit.
  • Video Tutorials: Video tutorials can be invaluable resources for visual learners. Websites like YouTube host a wide range of DIY automotive repair videos that cover various tasks, including axle hub replacement. Watching a video tutorial can provide a clear demonstration of the required steps, tools, and techniques involved in the process. You can search for specific video tutorials by using keywords such as “DIY axle hub replacement” along with your vehicle’s make and model.
  • Automotive Forums: Online automotive forums are communities where enthusiasts and professionals share knowledge and experiences. Forums like Reddit’s r/MechanicAdvice, Automotive Forums, or specific forums dedicated to your vehicle’s make or model can be excellent sources of information. You can search or post questions specific to axle hub replacement, and experienced members may provide detailed guidance, tips, or even links to comprehensive guides they have found useful.
  • Library Resources: Public libraries often have a selection of automotive repair manuals and guides available for borrowing. These printed resources can provide comprehensive instructions and illustrations for various repair tasks, including axle hub replacement. Look for repair manuals specific to your vehicle’s make, model, and year in the automotive section of your local library.

When using any guide or resource for DIY repairs, it’s important to exercise caution and ensure your own safety. Follow all recommended safety procedures, use the appropriate tools, and take necessary precautions. If you are unsure or uncomfortable with any aspect of the repair process, it is advisable to seek assistance from a qualified mechanic or professional technician.

In summary, a comprehensive guide for DIY replacement of an axle hub can be found in various sources such as the manufacturer’s service manual, online repair guides, video tutorials, automotive forums, and library resources. These resources provide step-by-step instructions and guidance to help you successfully replace an axle hub. Remember to prioritize safety and seek professional help if needed.

axle hub

How do changes in wheel offset affect the angles and performance of axle hubs?

Changes in wheel offset can have a significant impact on the angles and performance of axle hubs. Here’s a detailed explanation:

Wheel offset refers to the distance between the centerline of the wheel and the mounting surface. It determines how far the wheel and tire assembly will be positioned in relation to the axle hub. There are three types of wheel offsets: positive offset, zero offset, and negative offset.

Here’s how changes in wheel offset can affect the angles and performance of axle hubs:

  • Camber Angle: Camber angle refers to the inward or outward tilt of the wheel when viewed from the front of the vehicle. Changes in wheel offset can impact the camber angle. Increasing positive offset or reducing negative offset typically results in more positive camber, while increasing negative offset or reducing positive offset leads to more negative camber. Improper camber angle can cause uneven tire wear, reduced traction, and handling issues.
  • Track Width: Wheel offset affects the track width, which is the distance between the centerlines of the left and right wheels. Wider track width can improve stability and cornering performance. Increasing positive offset or reducing negative offset generally widens the track width, while increasing negative offset or reducing positive offset narrows it.
  • Steering Geometry: Changes in wheel offset also impact the steering geometry of the vehicle. Altering the offset can affect the scrub radius, which is the distance between the tire contact patch and the steering axis. Changes in scrub radius can influence steering effort, feedback, and stability. It’s important to maintain the appropriate scrub radius for optimal handling and performance.
  • Wheel Bearing Load: Wheel offset affects the load applied to the wheel bearings. Increasing positive offset or reducing negative offset generally increases the load on the inner wheel bearing, while increasing negative offset or reducing positive offset increases the load on the outer wheel bearing. Proper wheel bearing load is crucial for their longevity and performance.
  • Clearance and Interference: Changes in wheel offset can also impact the clearance between the wheel and suspension components or bodywork. Insufficient clearance due to excessive positive offset or inadequate clearance due to excessive negative offset can lead to rubbing, interference, or potential damage to the axle hub, suspension parts, or bodywork.

It’s important to note that any changes in wheel offset should be done within the manufacturer’s recommended specifications or in consultation with knowledgeable professionals. Deviating from the recommended wheel offset can lead to adverse effects on the axle hub angles and performance, as well as other aspects of the vehicle’s handling and safety.

When modifying wheel offset, it is crucial to consider the overall impact on the vehicle’s suspension geometry, clearance, and alignment. It may be necessary to make corresponding adjustments to maintain proper alignment angles, such as camber, toe, and caster, to ensure optimal tire wear, handling, and performance.

In summary, changes in wheel offset can have a significant impact on the angles and performance of axle hubs. They can affect camber angles, track width, steering geometry, wheel bearing load, and clearance. It is important to adhere to manufacturer’s specifications and consult with knowledgeable professionals when considering changes in wheel offset to ensure proper alignment, optimal performance, and safe operation of the vehicle.

China best 370021A National Oil Seal Axle Wheel Hub for Trailer Truck   drive axleChina best 370021A National Oil Seal Axle Wheel Hub for Trailer Truck   drive axle
editor by CX 2023-11-01