China Good quality National Oil Seal 370175A Size 7.25*8.75*0.605 National Axle Wheel Hub with Great quality

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.

Technical data

Material:

NBR/FKM/HNBR/PU/fabric rubber/Silicone/…etc

Type:

TC / SC / TB / SB / VC / TA / SA / VB / VA and so on

Size Range:

ID from 5mm to 1M

Color:

Black, Brown, Blue / Customized

Feature:

Durable, Water Resistant, Oil Resistant

Packing:

By Roll/ Plastic Bag + Carton Box / Customized

HS Code

84842000

Temperature:

-40°C / +200°C Depending On Material

Pressure:

Up to 0.05 MPa

Speed:

Up to 25 m/s

Medias

mineral oils, water, lubricating grease

Spring:

Carton Steel/stainless steel

Hardness:

30-90 Shore

 

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 ! ↓↓↓ 

How to Identify a Faulty Drive Shaft

The most common problems associated with automotive driveshafts include clicking and rubbing noises. While driving, the noise from the driver’s seat is often noticeable. An experienced auto mechanic can easily identify whether the sound is coming from both sides or from 1 side. If you notice any of these signs, it’s time to send your car in for a proper diagnosis. Here’s a guide to determining if your car’s driveshaft is faulty:
air-compressor

Symptoms of Driveshaft Failure

If you’re having trouble turning your car, it’s time to check your vehicle’s driveshaft. A bad driveshaft can limit the overall control of your car, and you should fix it as soon as possible to avoid further problems. Other symptoms of a propshaft failure include strange noises from under the vehicle and difficulty shifting gears. Squeaking from under the vehicle is another sign of a faulty driveshaft.
If your driveshaft fails, your car will stop. Although the engine will still run, the wheels will not turn. You may hear strange noises from under the vehicle, but this is a rare symptom of a propshaft failure. However, you will have plenty of time to fix the problem. If you don’t hear any noise, the problem is not affecting your vehicle’s ability to move.
The most obvious signs of a driveshaft failure are dull sounds, squeaks or vibrations. If the drive shaft is unbalanced, it is likely to damage the transmission. It will require a trailer to remove it from your vehicle. Apart from that, it can also affect your car’s performance and require repairs. So if you hear these signs in your car, be sure to have it checked by a mechanic right away.

Drive shaft assembly

When designing a propshaft, the design should be based on the torque required to drive the vehicle. When this torque is too high, it can cause irreversible failure of the drive shaft. Therefore, a good drive shaft design should have a long service life. Here are some tips to help you design a good driveshaft. Some of the main components of the driveshaft are listed below.
Snap Ring: The snap ring is a removable part that secures the bearing cup assembly in the yoke cross hole. It also has a groove for locating the snap ring. Spline: A spline is a patented tubular machined element with a series of ridges that fit into the grooves of the mating piece. The bearing cup assembly consists of a shaft and end fittings.
U-joint: U-joint is required due to the angular displacement between the T-shaped housing and the pinion. This angle is especially large in raised 4x4s. The design of the U-joint must guarantee a constant rotational speed. Proper driveshaft design must account for the difference in angular velocity between the shafts. The T-bracket and output shaft are attached to the bearing caps at both ends.
air-compressor

U-joint

Your vehicle has a set of U-joints on the driveshaft. If your vehicle needs to be replaced, you can do it yourself. You will need a hammer, ratchet and socket. In order to remove the U-joint, you must first remove the bearing cup. In some cases you will need to use a hammer to remove the bearing cup, you should be careful as you don’t want to damage the drive shaft. If you cannot remove the bearing cup, you can also use a vise to press it out.
There are 2 types of U-joints. One is held by a yoke and the other is held by a c-clamp. A full ring is safer and ideal for vehicles that are often used off-road. In some cases, a full circle can be used to repair a c-clamp u-joint.
In addition to excessive torque, extreme loads and improper lubrication are common causes of U-joint failure. The U-joint on the driveshaft can also be damaged if the engine is modified. If you are driving a vehicle with a heavily modified engine, it is not enough to replace the OE U-joint. In this case, it is important to take the time to properly lubricate these components as needed to keep them functional.

tube yoke

QU40866 Tube Yoke is a common replacement for damaged or damaged driveshaft tubes. They are desirably made of a metallic material, such as an aluminum alloy, and include a hollow portion with a lug structure at 1 end. Tube yokes can be manufactured using a variety of methods, including casting and forging. A common method involves drawing solid elements and machining them into the final shape. The resulting components are less expensive to produce, especially when compared to other forms.
The tube fork has a connection point to the driveshaft tube. The lug structure provides attachment points for the gimbal. Typically, the driveshaft tube is 5 inches in diameter and the lug structure is 4 inches in diameter. The lug structure also serves as a mounting point for the drive shaft. Once installed, Tube Yoke is easy to maintain. There are 2 types of lug structures: 1 is forged tube yoke and the other is welded.
Heavy-duty series drive shafts use bearing plates to secure the yoke to the U-joint. All other dimensions are secured with external snap rings. Yokes are usually machined to accept U-bolts. For some applications, grease fittings are used. This attachment is more suitable for off-road vehicles and performance vehicles.
air-compressor

end yoke

The end yoke of the drive shaft is an integral part of the drive train. Choosing a high-quality end yoke will help ensure long-term operation and prevent premature failure. Pat’s Driveline offers a complete line of automotive end yokes for power take-offs, differentials and auxiliary equipment. They can also measure your existing parts and provide you with high quality replacements.
A U-bolt is an industrial fastener with threaded legs. When used on a driveshaft, it provides greater stability in unstable terrain. You can purchase a U-bolt kit to secure the pinion carrier to the drive shaft. U-bolts also come with lock washers and nuts. Performance cars and off-road vehicles often use this type of attachment. But before you install it, you have to make sure the yoke is machined to accept it.
End yokes can be made of aluminum or steel and are designed to provide strength. It also offers special bolt styles for various applications. CZPT’s drivetrain is also stocked with a full line of automotive flange yokes. The company also produces custom flanged yokes for many popular brands. Since the company has a comprehensive line of replacement flange yokes, it can help you transform your drivetrain from non-serviceable to serviceable.

bushing

The first step in repairing or replacing an automotive driveshaft is to replace worn or damaged bushings. These bushings are located inside the drive shaft to provide a smooth, safe ride. The shaft rotates in a rubber sleeve. If a bushing needs to be replaced, you should first check the manual for recommendations. Some of these components may also need to be replaced, such as the clutch or swingarm.

China Good quality National Oil Seal 370175A Size 7.25*8.75*0.605 National Axle Wheel Hub   with Great qualityChina Good quality National Oil Seal 370175A Size 7.25*8.75*0.605 National Axle Wheel Hub   with Great quality