76*108*8 Crankshaft Oil Seal

Description:    

Condition:    New

Applications: auto

Other Names:    truck crankshaft NBR rubber oil seals, Crankshaft rear oil seal

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Crankshaft oil seal:

The crankshaft oil seal is an integral part of the engine's sealing system, specifically designed to prevent oil leaks and contamination. It is a critical component that ensures the smooth operation and longevity of the engine. The primary function of the crankshaft oil seal is to prevent oil from leaking out of the engine and into other critical areas such as the transmission or the clutch system. It accomplishes this by creating a tight seal around the crankshaft, preventing oil from escaping.

Function:

This specialized seal is typically made from high-quality materials such as rubber or silicone, which possess excellent heat and chemical resistance properties. The choice of material ensures that the seal can withstand the extreme temperatures and harsh conditions under which it operates. These materials also allow the seal to remain flexible and pliable, enabling it to conform to the irregular shape of the rotating crankshaft.

Feature:

One of the key features of a well-designed crankshaft oil seal is its ability to withstand high rotational speeds without compromising its sealing capabilities. The seal must remain in place and effectively prevent oil leaks, regardless of the speed at which the crankshaft is spinning. This is achieved through a combination of factors, including the quality and design of the seal itself, as well as the use of proper lubrication.

Another important feature is the resistance to various external factors that can potentially damage the seal. The crankshaft oil seal is exposed to extreme temperatures, vibrations, and constant movement, which can gradually wear down the seal over time. However, high-quality seals are designed to withstand these conditions and maintain their sealing properties for an extended period.

Furthermore, the seal should also be resistant to chemicals and contaminants commonly found in engine oil. The seal acts as a barrier, preventing these substances from entering the engine and causing damage to internal components. This feature not only protects the engine from potential harm but also helps to maintain the efficiency and performance of the entire system.

In terms of installation, crankshaft oil seals are relatively easy to replace, especially with the right tools and knowledge. However, it is important to consult the manufacturer's guidelines or seek professional assistance when replacing the seal to ensure proper fitment and performance. Additionally, regular inspection and maintenance are crucial to identify any signs of wear or damage and address them promptly, preventing potential oil leaks and further damage to the engine.

When it comes to purchasing a crankshaft oil seal, it is imperative to choose a high-quality product from a reputable manufacturer or supplier. Opting for a trusted brand ensures the reliability and durability of the seal, guaranteeing its long-lasting performance. Additionally, it is recommended to consult a professional mechanic or refer to the vehicle's manual for the appropriate specifications and measurements to ensure the correct fitment of the seal.

The auto oil seal is an essential component in any vehicle's engine system. It is designed to ensure that no oil leaks occur between the engine's rotating shafts and the stationary components. This product plays a crucial role in maintaining the integrity and efficiency of the engine by preventing oil from seeping out or contaminants from infiltrating.

Function:

One of the primary functions of the auto oil seal is to provide a tight and secure seal between the rotating shaft and the housing. This seal prevents oil from leaking out and dripping onto other components, which can lead to engine damage and poor performance. By containing the oil within the engine, the oil seal ensures that the lubrication is consistently maintained, reducing friction and wear on moving parts.

Additionally, the auto oil seal acts as a barrier, preventing debris, dirt, and contaminants from entering the engine. Dust, grit, and other particles can be harmful to the engine's internals, causing abrasion and reducing the lifespan of crucial components. The oil seal acts as a protective barrier, preventing these contaminants from causing damage and ensuring the engine operates at its optimal performance for an extended period.

Feature:

Furthermore, auto oil seals offer a range of features that enhance their functionality and durability. High-quality oil seals are constructed from materials that are resistant to extreme temperatures, pressure, and various chemicals typically found in engine oils. This ensures that the seal remains intact and effective even in the harshest conditions, ensuring long-lasting performance.

Another critical feature of auto oil seals is their ability to self-lubricate. Oil seals are typically designed with a thin film of oil on their inner surfaces. As the rotating shaft passes through the seal, it picks up this thin layer of oil, creating a lubricating film that reduces friction and heat generation. This self-lubricating feature not only extends the life of the seal but also improves the overall efficiency and performance of the engine.

Auto oil seals are engineered to withstand high speeds and various types of motion. From the rotational motion of the engine shafts to the vibration and oscillation of different engine parts, oil seals must remain securely in place without compromising their sealing capabilities. The design of these seals includes features like springs or garters that provide additional tension and support, ensuring a proper fit between the shaft and the seal.

Moreover, auto oil seals are designed to be easy to install and replace. Their construction allows for quick installation, saving both time and effort during maintenance or repair work. This user-friendly design ensures that mechanics can efficiently replace worn-out or damaged oil seals without any unnecessary complexity.

Auto Oil seal structure

The oil seal is generally composed of three basic components: sealing element, metal shell and clamping spring.Types of oil seals include single and double lips, rubber or polymer, metal housing, spring loaded, and internal, external and axial guides.

Auto oil seal Features

Crankshaft front seal

• Super helix seal

• Low-friction torque design

• Fluorine rubber

Crankshaft rear seal

• Super helix seal (seal with one-way two-step screw)

• Low-friction torque design

• Fluorine rubber

Plug tube gasket

• High eccentricity-following lip shape

• SIM method to prevent the spring from falling off (integral molding of spring and rubber)

• ACM rubber or another

Valve stem seal

• Machining of lip surface (stable oil drip under pressure)

• Fkm/viton rubber

Front pump input seal

• Super helix seal (seal with one-way two-step screw)

• ACM rubber

Friction damper

• Rubber torque prevents gear rattling noise

• Compact design

• Fkm/viton rubber

Bonded piston seal

• Quick response (centrifugal hydraulic pressure canceling mechanism) throughout the rotation range

• More compact thanks to the thin plate (uses a high-strength steel plate)

• Hydrogenated nitrile rubber

Approaching NOK-CN factory

NNK Service Introduction：

Located in China since 1983, NNK SEALING PARTS CO., LTD. is a supplier and manufacturer with more than 10 years of experence in the Seal Industry.

With more than 40 years experience, NNK is specialized in leading seal and oil seal manufacture. From oil seals, O-rings, to gaskets, and customized products, application industries include manufacturing, chemical processing, defense, water treatment and filtration, hydraulics, fluid power, heavy trucks, automobiles, aerospace, oil and gas, medical and For life sciences, food and beverages, a complete product line is available for customer needs and specifications.

NNK has been offering customers high-quality Valve Stem Seal production service, both with dvanced technology and 10 years of experience, NNK ensures each customer's demands are met.

NNK welcomes you to view our high quality products Oil Seal, Rubber Ring, Gasket, Rubber Product and feel free to Contact Us.

Our Advantages

1. The Standard Product Inventory is Wide and Complete: NNK stocks the standard products and supplies the most common inch sizes. It can manufacture precise  according to various industrial needs and deliver them quickly and on time, made of high-quality rubber, with good performance.

2. Low Mold Cost: Most of the various Valve Stem Seal standard specifications already have molds, and no additional investment is required. If there is a special size that needs to be opened, we will also give back to the customer at low cost, or jointly develop the model for cooperation.

3. Flexible MOQ and Instant Delivery: It can support small orders from customers, MOQ is smaller than the industry, and sample testing is provided. Instant delivery allows customers to apply production scheduling more flexibly.

4. Auto Assembly Machine for Oil Seal Spring was introduced, the oil seal is more precise and faster production when inserting the spring, so that the delivery time and quality are more stable.

5. Fully Automatic Inspection: In 2020, the automatic inspection was introduced to ensure the quality of oil seal, overcome the bottleneck of manual inspection, and produce more efficient and fast output.

6. Provide Customized Services: In case there is a need for customized ，you are welcome to leave relevant information such as CAD / CAM, NNK can do advanced planning services and consulting for you.

Mitsubishi oil seal stock model table

FAQ

1.Why more and more customers choose us?
a. We are specialized in the manufacturing and exporting of high quality seals. Choose us is to choose the rest assured.
b.We mainly produces various types, specifications, models of the seals of high precision mechanical components. We have all the specifications of what you need to help you achieve one-stop shopping, save time, effort and worry.
c.We has long been a domestic and international numerous oil seal mould supply business of manufacturer, service for 15 years, we have professional talents and product research and development equipment, our research and development ability, is the domestic first-class oil seal manufacturer home.
d. We provide one-stop sealing solutions, and provide a full range of services, from product design, mold development, stamping skeleton, vulcanization molding, clip, screening and packaging,. The entire process would take a shorter, more stable quality.
2. What is your packing?
a. Paper roller: 10pcs in one roller, 200 rollers in one carton
b. PP bag: 50 or 100pcs in one bag,15 or 30 bags in one carton
c. Box: 1pc to a box
d. According to customer's request.
3.Date of Delivery
a. 1-2 days if goods in stock.
b. 10-15 days if goods out of stock with molding.
c. 25-30 days if goods out of stock without molding.
4.Payment Term:
a. 30% T/T in advance and 70% balance paid before shipment.
b. West union/ Money Gram
c. Paypal
d. others for discussion
5. Can you produce according to the samples?
a. We accept ODM and OEM at the same time.We have the ability to provide the sample of the products of decomposition, develop the mould, for production.
6. How do you make our business long-term and good relationship?
a. We will continue to improve the process control, and improve the quality of our products and work to reduce operating costs and provide a competitive price for customers, to ensure that customers benefit
b. We seriously treat every customer, in good faith with them to do business, make friends, no matter how much volume, we will provide