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China high quality Water Pump Bearings Mechanic Seal with Good quality

Product Description

Water Pump Bearings Mechanic Seal

Why Choose Us?

1. More than 35 years’ professional experience in rubber sealing industry;
2. Our NBR raw material is imported from JSR, Silicone is from German WACKER, and also Viton is USA DUPONT;
3. Top quality custom rubber products that can completely meet your needs;
4. Fast production & in-time delivery that never delay your project and usage;
5. One-stop custom service and value-added service to save your time and cost;
6. OEM/ODM Services are available. We can design and produce various Non-standard Rubber Parts according to your PDF,3D or STEP drawing files;
7. All of rubber finished products are 100% inspected before shipment;
8. Have established rubber property test lab and have tensile strength machine, thermostatic oil tank, aging test machine, compression set test machine, secondary cure oven, Density test machine and so on;
9. As the gold & stable supplier for many domestic & foreign famous large enterprises;
10. Strong and perfect packing for each items:
    —For air delivery, we use middle strong cartons and pack by packing belt;
    —For sea delivery, we pack all the cartons by strong pallet to make sure our customers to receive the goods in perfect packing condition.

Detailed Images

Product Overviews

Item name: Oil Seal
Meterial: NBR, FKM, HNBR , Viton,Silicon ,Q, EPDM,  ACM,  etc
Application: Engine, Transmission, Rear Axle
Speed: Speed Mechanical Seal
lip: Double lips and single lip are available
Shape: O Type
Color: Black, brown or as you required
Pressure: Pressure type
Working Medium: Hydraulic Oil, Water and Dust
Payment terms: L/C or T/T /Western Union
Trademark: ODM, OEM
Performance: High temperature resistance,Good oil resistance
Standard: Nonstandard / Standard
Hardness: 60-90
Transport package: Carton or as Your Required
Factory visit: Available
Company Type Manufacturer/Factory & Trading Company
Origin: China(mainland)
Hscode: 4016931000
Supply 500000 per/month

Oil Seal Brief Introduction
Oil seal is also known as rotary shaft seal. They are often called grease, fluid or dirt 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.  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. 
Temperature: -50°C -300°C Depending On Rubber Material
Pressure: Up to 0.03 MPa
Reciprocation Speed: 0-20m/S
Medias: mineral oils, water, lubricating grease
Specification: 6-13000mm

Advantages
1.Good abrasion resistance property;
2.Good high temperature resistance and low temperature resistance property;
3.Good CZPT corrosion resistance property and climate adaptability;
4.High abrasion resistance property;
5.Low abrasion resistance property;
6.Low permanent compression deformation feature;
7. Good resilience.

Regular Sizes

ID*OD*H mm Type ID*OD*H mm Type ID*OD*H mm Type ID*OD*H mm Type
6x22x8 TC 12x32x10 TC 17x30x8 TC 20x40x8 TC
8x14x4 SC 12x32x7 TC 17x30x10 TC 20x42x7 TC
8x16x4 TC 13x22x7 TC 17x30x10 TC 20x42x7 TC
8x16x5 TC 13x24x7 SC 17x35x10 TC 20x42x10 TC
8x16x7 SC 14x24x7 SC 17x35x10 SC 20x45x10 TC
8x19x7 TC 14x24x8 TC 17x35x5 TC 20x45x10 TC
8x20x7 TC 14x25x7 TC 17x35x7 TC 20x45x10 SC
8x22x7 SC 14x28x4 TC 17x35x8 TC 20x47x7 TC
8x22x8 SC 14x28x7 TC 17x40x7 TC 20x47x8 TC
8x22x8 TC 14x28x7 TC 17x40x10 TC 20x47x10 SC
9x22x7 TC 14x28x10 TC 17x40x12 TC 20x47x10 TC
10x19x5 TC 14x29x7 TC 18x28x5 TC 20x50x10 TC
10x19x6 TC 14x30x7 TC 18x30x6 TC 20x52x7 TC
10x19x7 TC 14x30x10 TC 18x30x7 TC 20x52x3 SC
10x20x8 TC 14x35x7 TC 18x30x8 TC 20x52x6 SC
10x22x10 TC 14x35x10 SC 18x30x10 SC 21x35x6 TC
10x22x10 TC 15x24x5 TC 18x30x10 TC 21x35x7 TC
10x22x7 SC 15x24x7 TC 18x35x10 SC 21x35x8 TC
10x22x8 SC 15x25x5 TC 18x35x10 TC 21x38x6 TC
10x22x8 TC 15x26x7 TC 18x35x7 TC 22x30x10 SC
10x25x5 SC 15x28x5 SC 18x40x7 TC 22x32x5 SC
10x25x10 SC 15x28x7 TC 18x40x10 TC 22x32x7 TC
10x26x4 TC 15x28x7 SC 20x30x5 SC 22x35x6 TC
10x26x7 TC 15x28x10 SC 20x30x5 TC 22x35x7 TC
10x26x7 SC 15x30x5 SC 20x30x6 TC 22x35x6.7 TC
10x26x8 TC 15x30x5 TC 20x30x7 SC 22x35x8 TC
10x28x7 TC 15x30x10 TC 20x30x7 SC 22x38x8 TC
10x28x10 TC 15x30x10 SC 20x30x7 TC 22x38x10 SC
11x19x5 TC 15x32x7 TC 20x30x8 TC 22x38x10 TC
12x19x3 SC 15x35x6 TC 20x30x9 TC 22x40x6 TC
12x20x6 SC 15x35x10 TC 20x30x10 SC 22x40x7 TC
12x22x5 TC 15x35x7 TC 20x32x7 TC 22x40x8 TC
12x22x6 TC 15x40x10 SC 20x32x7 TC 22x40x8 TC
12x22x7 TC 16x28x7 TC 20x35x10 TC 22x40x9 TC
12x22x7 SC 16x30x7 TC 20x35x10 TC 22x40x10 SC
12x24x7 SC 16x30x7.5 TC 20x35x5 TC 22x40x10 TC
12x24x7 TC 16x30x10 TC 20x35x7 TC 22x42x7 TC
12x25x5 SC 16x35x7 TC 20x35x7 TC 22x42x10 SC
12x25x7 TC 16x35x10 TC 20x35x8 SC 22x42x11 TC
12x25x10 TC 16x35x10 TC 20x37x7 TC 22x42x12 SC
12x28x7 TC 17x28x5 SC 20x37x7 TC 22x45x10 TC
12x28x8 TC 17x28x7 TC 20x40x10 TC 22x45x10 SC
12x28x10 TC 17x28x7 SC 20x40x7 TC 22x50x10 TC
12x30x10 TC 17x30x7 TC 20x40x7 SC 22x65x8 TC

Certifications
We have passed ROHS, ISO9001:2008 quality system certification.

Vulcanization Machine

Mold Warehouse&Equipment

Packaging & Shipping

Size Official size 
Packing A roll of 10, a bundle of 100, and finally put into the packing box
About the packing details for sizes, also according to your requirements.
Delivery Time:  10-20 days after payment
Payment Terms: 100%TT advance payment for LC order
Normally, the goods will be shipping by Sea, by air or by air express according to customer’s request.

Our Service
As a professional manufacturer of rubber sealing products for 35 years, we offer various kinds oil seals, such as TC, TB, TA, SC, SB, SA, VC, VB, VA, KC, KB, KA, DC, and DB, also can customized based on your specific demand; Material including NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, etc for your better choice.

FAQ
Q 1.Which Payment way is workable?
A: Irrevocable L/C, Cash, PayPal, Credit card and T/T money transfers.
B: 30% T/T deposit in advance, 70% balance before shipment after presentation of ready cargo.
C: L/C ( Irrevocable LC at sight: Order amount over USD10,000)
Q 2. What is the normal lead time for product orders?
A: Average lead times for prototype / first article are 1-2 weeks, if tooling is involved, lead time for production tooling is 10 days, average production time after sample approval is 2-3 weeks.
Q 3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.
A2: We have various rubber compounds approved by UL, FDA,, KTW, W270, WRAS, ACS, AS4571, EN681, EN549, ROHS and REACH.
Q 4: How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Q 5: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.
Q 6:Can you supply different color materials?
A: Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.
 

How to tell if your driveshaft needs replacing

What is the cause of the unbalanced drive shaft? Unstable U-joint? Your car may make clicking noises while driving. If you can hear it from both sides, it might be time to hand it over to the mechanic. If you’re not sure, read on to learn more. Fortunately, there are many ways to tell if your driveshaft needs replacing.

unbalanced

An unbalanced driveshaft can be the source of strange noises and vibrations in your vehicle. To fix this problem, you should contact a professional. You can try a number of things to fix it, including welding and adjusting the weight. The following are the most common methods. In addition to the methods above, you can use standardized weights to balance the driveshaft. These standardized weights are attached to the shaft by welders.
An unbalanced drive shaft typically produces lateral vibrations per revolution. This type of vibration is usually caused by a damaged shaft, missing counterweights, or a foreign object stuck on the drive shaft. On the other hand, torsional vibrations occur twice per revolution, and they are caused by shaft phase shifts. Finally, critical speed vibration occurs when the RPM of the drive shaft exceeds its rated capacity. If you suspect a driveshaft problem, check the following:
Manually adjusting the imbalance of a drive shaft is not the easiest task. To avoid the difficulty of manual balancing, you can choose to use standardized weights. These weights are fixed on the outer circumference of the drive shaft. The operator can manually position the weight on the shaft with special tools, or use a robot. However, manual balancers have many disadvantages.
air-compressor

unstable

When the angular velocity of the output shaft is not constant, it is unstable. The angular velocity of the output shaft is 0.004 at ph = 29.5 and 1.9 at t = 1.9. The angular velocity of the intermediate shaft is not a problem. But when it’s unstable, the torque applied to it is too much for the machine. It might be a good idea to check the tension on the shaft.
An unstable drive shaft can cause a lot of noise and mechanical vibration. It can lead to premature shaft fatigue failure. CZPT studies the effect of shaft vibration on the rotor bearing system. They investigated the effect of flex coupling misalignment on the vibration of the rotor bearing system. They assume that the vibrational response has 2 components: x and y. However, this approach has limited application in many situations.
Experimental results show that the presence of cracks in the output shaft may mask the unbalanced excitation characteristics. For example, the presence of superharmonic peaks on the spectrum is characteristic of cracks. The presence of cracks in the output shaft masks unbalanced excitation characteristics that cannot be detected in the transient response of the input shaft. Figure 8 shows that the frequency of the rotor increases at critical speed and decreases as the shaft passes the natural frequency.

Unreliable

If you’re having trouble driving your car, chances are you’ve run into an unreliable driveshaft. This type of drivetrain can cause the wheels to stick or not turn at all, and also limit the overall control of the car. Whatever the reason, these issues should be resolved as soon as possible. Here are some symptoms to look for when diagnosing a driveshaft fault. Let’s take a closer look.
The first symptom you may notice is an unreliable drive shaft. You may feel vibrations, or hear noises under the vehicle. Depending on the cause, it could be a broken joint or a broken shaft. The good news is that driveshaft repairs are generally relatively inexpensive and take less time than a complete drivetrain replacement. If you’re not sure what to do, CZPT has a guide to replacing the U-connector.
One of the most common signs of an unreliable driveshaft is clanging and vibration. These sounds can be caused by worn bushings, loose U-joints, or damaged center bearings. This can cause severe vibration and noise. You can also feel these vibrations through the steering wheel or the floor. An unreliable driveshaft is a symptom of a bigger problem.
air-compressor

Unreliable U-joints

A car with an unreliable U-joint on the drive shaft can be dangerous. A bad u-joint can prevent the vehicle from driving properly and may even cause you trouble. Unreliable u-joints are cheap to replace and you should try getting parts from quality manufacturers. Unreliable U-joints can cause the car to vibrate in the chassis or gear lever. This is a sure sign that your car has been neglected in maintenance.
Replacing a U-joint is not a complicated task, but it requires special tools and a lot of elbow grease. If you don’t have the right tools, or you’re unfamiliar with mechanical terminology, it’s best to seek the help of a mechanic. A professional mechanic will be able to accurately assess the problem and propose an appropriate solution. But if you don’t feel confident enough, you can replace your own U-connector by following a few simple steps.
To ensure the vehicle’s driveshaft is not damaged, check the U-joint for wear and lubrication. If the U-joint is worn, the metal parts are likely to rub against each other, causing wear. The sooner a problem is diagnosed, the faster it can be resolved. Also, the longer you wait, the more you lose on repairs.

damaged drive shaft

The driveshaft is the part of the vehicle that connects the wheels. If the driveshaft is damaged, the wheels may stop turning and the vehicle may slow down or stop moving completely. It bears the weight of the car itself as well as the load on the road. So even a slight bend or break in the drive shaft can have dire consequences. Even a piece of loose metal can become a lethal missile if dropped from a vehicle.
If you hear a screeching noise or growl from your vehicle when shifting gears, your driveshaft may be damaged. When this happens, damage to the u-joint and excessive slack in the drive shaft can result. These conditions can further damage the drivetrain, including the front half. You should replace the driveshaft as soon as you notice any symptoms. After replacing the driveshaft, you can start looking for signs of wear.
A knocking sound is a sign of damage to the drive shaft. If you hear this sound while driving, it may be due to worn couplings, damaged propshaft bearings, or damaged U-joints. In some cases, the knocking noise can even be caused by a damaged U-joint. When this happens, you may need to replace the entire driveshaft, requiring a new one.
air-compressor

Maintenance fees

The cost of repairing a driveshaft varies widely, depending on the type and cause of the problem. A new driveshaft costs between $300 and $1,300, including labor. Repairing a damaged driveshaft can cost anywhere from $200 to $300, depending on the time required and the type of parts required. Symptoms of a damaged driveshaft include unresponsiveness, vibration, chassis noise and a stationary car.
The first thing to consider when estimating the cost of repairing a driveshaft is the type of vehicle you have. Some vehicles have more than one, and the parts used to make them may not be compatible with other cars. Even if the same car has 2 driveshafts, the damaged ones will cost more. Fortunately, many auto repair shops offer free quotes to repair damaged driveshafts, but be aware that such work can be complicated and expensive.

China high quality Water Pump Bearings Mechanic Seal   with Good qualityChina high quality Water Pump Bearings Mechanic Seal   with Good quality