When to Use t type skeleton oil seal for automotive engine？

Rubber Skeleton Oil Seal TB TB2 TC TC4 TA TG TG4 SC SA SB SB2 VB VC KC KB DC DB NBR FKM FPM Sir Acm PU Ptef EPDM HNBR Seal Ring Shaft Hydraulic Valve Oil Seals

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Description-Oil Seal:

Oil seals - often called grease, fluid or dirt seals - close spaces between stationary and moving components in mechanical equipment, helping prevent lubricant escape. They also stop harmful contaminants from entering machinery, particularly in severe environments.

The function of the skeleton oil seal is to isolate the parts that need lubrication from the output parts in the transmission parts, so as not to let the lubricating oil leak. It is usually used in the transmission parts.

The rotary shaft is a rotary shaft lip seal. The skeleton acts as a reinforcing steel bar in concrete members and keeps the shape and tension of the oil seal. According to the skeleton type, it can be divided into internal skeleton oil seal, external skeleton oil seal, and internal and external skeleton oil seal. The skeleton oil seal is made of high-quality nitrile rubber and steel plate, with stable quality and long service life. Widely used in automobile, motorcycle crankshaft, camshaft, differential, shock absorber, engine, axle, front and rear wheels, and other parts.
 

Type

 TC TB TA SC SB SA VC VB VA KC KB KA TCV TCN

Temperature

-35~+250ºC

Press

0~0.05MPA

Rotational Speed

0-25m/s

Medium

lubricating Oil, Grease, Water

Other material of oil seal

Silicone, NBR, Metal & Stainless Steel, PTFE, etc.

Production equipment

includes vacuum vulcanizing machines, large-scale flat vacuum vulcanizing machines,

rubber machines, CNC machine tools, temperature-controlled ovens, and detectors

Application

High-pressure hydraulic seal auto rubber oil seal

1. Fluid system (static & dynamic)

2. Hydraulic system (dynamic)

3. Pneumatic system (dynamic)

4. Oil or grease media sealing

5. Water media sealing

6. automobile, motorcycle, industry, agricultural machinery, truck, buses, trailers,

exercise equipment.

Oil seals - often called grease, fluid or dirt seals - close spaces between stationary and moving components in mechanical equipment, helping prevent lubricant escape. They also stop harmful contaminants from entering machinery, particularly in severe environments.The function of the skeleton oil seal is to isolate the parts that need lubrication from the output parts in the transmission parts, so as not to let the lubricating oil leak. It is usually used in the transmission parts.The rotary shaft is a rotary shaft lip seal. The skeleton acts as a reinforcing steel bar in concrete members and keeps the shape and tension of the oil seal. According to the skeleton type, it can be divided into internal skeleton oil seal, external skeleton oil seal, and internal and external skeleton oil seal. The skeleton oil seal is made of high-quality nitrile rubber and steel plate, with stable quality and long service life. Widely used in automobile, motorcycle crankshaft, camshaft, differential, shock absorber, engine, axle, front and rear wheels, and other parts.

These are just a few of the sizes. And we can also custom the size of your requirements.

Please contact us to tell me your request.

SIZE

SIZE

SIZE

SIZE

SIZE

35*54*7

44*57*9

53*70*9

63*92*10

72*95*10

36*56*7

45*56*7

54*72*8

64*93.3*9

73*98*12

37*50*6

46*58*5

55*70*8

65*81*7

74*96*7

38*50*12

47*58*7

56*76*6

66*86*9

75*90*13

38*50*12

48*63*10

57*71*7

67*88*9

76*93*10

40*50*6

49*63*9

58*72*8

68*82*10

76*93*10

41*54*8

50*62*12

59*72*12

69*92*14

80*95*8

42*52*4

51*70*9.5

60*72*9

70*87*7

80*95*8

43*55*6

52*67*6.7

62*75*7

71*88*8

90*105*12

Different Type Rotary Shaft Oil Seal

Different  Type  Rotary  Shaft  Oil  Seal

Goto Dingtong to know more.

Additional reading:
The Ultimate Buyer's Guide for Purchasing rockwool insulation panels

Type

Material

Lip

Spring

Feature

TC

NBR & FKM

Double Lips

Single

Metal Coverd Rubber

TB

NBR

Double Lips

Single

Metal Case

TA

NBR

Double Lips

Single

Metal Case

SC

NBR & FKM

Single

Single

Double Metal Shell

SB

NBR

Single

Single

Metal Case

SA

NBR

Single

Single

Double Metal Shell

DC

NBR

Double Lips

Double

Double Springs

VC

NBR & FKM

Single

Without

Metal Coverd Rubber

VB

NBR

Single

Without

Metal Case

TCV

NBR

Double Lips

Single

High Pressure

TCN

NBR

Double Lips

Single

High Pressure

PTFE

PTFE

Single & Double Lips

Without

Stainless steel

HTCL

NBR & FKM

Double Lips

Single

Inside thread L

HTCR

NBR & FKM

Double Lips

Single

Inside thread R

Other material of oil seal: Silicone, NBR, Metal & Stainless Steel, PTFE, etc.

Production equipment: includes vacuum vulcanizing machines, large-scale flat vacuum vulcanizing machines,

rubber machines, CNC machine tools, temperature-controlled ovens, and detectors.

Application High-pressure hydraulic seal auto rubber oil seal:

1. Fluid system (static & dynamic)

2. Hydraulic system (dynamic)

3. Pneumatic system (dynamic)

4. Oil or grease media sealing

5. Water media sealing

6. automobile, motorcycle, industry, agricultural machinery, truck, buses, trailers,

exercise equipment.

DLseals standard sizes of Galvanized Copper Washers metal gaskets Dowty seals Bonded Seals

Our sealing products factory is located in Hangzhou City, zhejiang Province. Founded in , the company is a comprehensive sealing enterprise integrating sealing design, R & D, production, agency, storage and sales.  The company has seven companies and three field engineers who have been engaged in the sealing industry for some years. Excellent sealing design and development capability, advanced processing equipment and technology, high-quality imported raw materials (hydraulic reciprocating seal) and skeleton rotary seal; Products are widely used in: hydraulic and pneumatic construction machinery. Petrochemical Machinery and electronics. Electricity. Shipbuilding. papermaking. Coal mine pump valve and other fields

Our main products are: O-ring, X-ring, Y-ring, D-rings, rubber flat washer, ED rings, rubber strips, rubber ball, all kinds of skeleton oil seal, glyd ring and stepseal, polyurethane oilseal, pneumatic seals and Mechanical Seal all kinds of rubber parts for the design according to customer request.  

we specialized in the development and production of sealing systems   which were used in the Metallurgical,Electrical,Auto, Engineering machinery, Light industrial machinery and Electrical appliance manufacturing industries. BESEALS focus on customers' needs,as a dependable partner and reliable supplier to help you resolve supply or technical problems ,and improve the performance of your equipments or your business. When you are facing emergency repairs situation or urgent orders,the highly responsive team of DLseals will offer you very short lead time. Beseals has a global sales network,and our seals have been sold to more than 100 countries or areas ,Such as America, England, Canada, Australia, Russian Federation ect .

FAQ

1. who are we? Are you trading company or manufacturer ?
We are manufacturer.We are based in Hangzhou, China, start from ,sell to Domestic Market(33.00%),North America(15.00%),South America(10.00%),Western Europe(8.00%),Eastern Europe(6.00%),Souther Europe(6.00%),Southeast Asia(5.00%),Mid East(5.00%),Northern Europe(5.00%),Oceania(2.00%),South Asia(2.00%),Africa(00.00%),Eastern Asia(00.00%),Central America(00.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;

3.what can you buy from us?
PTFE Seals/Oil Seals/O Rings/Rubber Seals/Plastic Seals/Mechanical Seal/O-RING/ RING Seals.

4. why should you buy from us not from other suppliers?

Beseals is a professional manufacturer of seals .Our company specializes in the production of PU, PTFE, rubber and metal sealing components

5. How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

6.Do you provide samples ?

is it free or extra ? Yes, we could offer the sample for free charge but you need to pay the cost of freight.

 

7. what services can we provide?

Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,Express Delivery;

Accepted Payment Currency:USD,EUR,JPY,CAD,HKD,CNY;

Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Western Union,Escrow; Language
Spoken:English,Chinese,Japanese

For more information, please contact us. We look forward to your arrival

Our sealing products factory is located in Hangzhou City, zhejiang Province. Founded in , the company is a comprehensive sealing enterprise integrating sealing design, R & D, production, agency, storage and sales. The company has seven companies and three field engineers who have been engaged in the sealing industry for some years. Excellent sealing design and development capability, advanced processing equipment and technology, high-quality imported raw materials (hydraulic reciprocating seal) and skeleton rotary seal; Products are widely used in: hydraulic and pneumatic construction machinery. Petrochemical Machinery and electronics. Electricity. Shipbuilding. papermaking. Coal mine pump valve and other fieldsOur main products are: O-ring, X-ring, Y-ring, D-rings, rubber flat washer, ED rings, rubber strips, rubber ball, all kinds of skeleton oil seal, glyd ring and stepseal, polyurethane oilseal, pneumatic seals and Mechanical Seal all kinds of rubber parts for the design according to customer request.

Skeleton oil seals, also known as radial shaft seals or lip seals, are crucial components used to prevent leakage of lubricants and protect mechanical systems from contaminants like dust, dirt, and moisture. These seals are widely used in industries like automotive, machinery, and manufacturing, and choosing the right oil seal is essential for optimal performance and longevity. Here's a detailed guide to help you choose the correct skeleton oil seal for your specific application.

 

1. Understand the Application Requirements

 

The first step in choosing a skeleton oil seal is to fully understand the specific application for which it will be used. Factors like operational speed, temperature, pressure, and the type of fluid being sealed are important considerations.

 

- Operating Conditions: Determine the environment in which the oil seal will operate. Consider exposure to extreme temperatures, the presence of chemicals, and whether it will be used indoors or outdoors.

 

- Fluid Type: Identify the type of fluid the seal will be in contact with. This could include oils, grease, or other types of lubricants. Ensure the seal material is compatible with the fluid.

 

- Pressure and Speed: Know the maximum operating pressure and rotational speed of the shaft. Some seals are designed to handle high-pressure environments, while others are suitable for low-pressure applications.

Rubber Skeleton Oil Seal

2. Select the Right Seal Material

 

Skeleton oil seals are available in various materials, each with specific properties that make them suitable for different applications. The choice of material is critical as it affects the seal's resistance to heat, chemicals, and wear.

 

- Nitrile Rubber (NBR): The most common material for oil seals, NBR offers excellent resistance to oil and abrasion. It is suitable for temperatures ranging from -40°C to +120°C and is ideal for general-purpose sealing in industrial and automotive applications.

 

- Fluorocarbon (Viton): Viton seals offer higher resistance to heat and chemicals, making them suitable for high-temperature applications (up to 200°C). They are also resistant to a broader range of chemicals and are ideal for use in environments with aggressive fluids.

 

- Silicone Rubber: Silicone seals offer good flexibility at both high and low temperatures, but they are not as resistant to oil as NBR or Viton. Silicone is often used in applications where temperature resistance is more important than oil resistance.

 

- Polyurethane (PU): Known for its exceptional wear and abrasion resistance, polyurethane is often used in applications where the seal is exposed to high levels of friction and stress.

 

- PTFE (Teflon): PTFE oil seals offer excellent chemical resistance and operate well in a wide temperature range. They are commonly used in applications involving aggressive fluids or extremely high temperatures.

Rubber Skeleton Oil Seal

3. Choose the Right Lip Design

 

The lip design of the oil seal plays a crucial role in how well it prevents leakage and withstands pressure. Skeleton oil seals are available in different lip designs to suit varying applications.

 

- Single Lip (SL): Single-lip oil seals are designed to prevent leakage from the inside of the system. These are commonly used in general sealing applications where there is low pressure and no external contaminants.

 

- Double Lip (DL): Double-lip oil seals have an additional lip that provides extra protection against external contaminants like dust and dirt. These seals are ideal for outdoor applications or where the system is exposed to debris.

 

- Triple Lip (TL): These seals are used in heavy-duty applications where both high pressure and exposure to contaminants are concerns. The additional lips provide a more secure seal and extended durability.

 

4. Consider Seal Dimensions

 

Getting the correct size is essential to ensure a proper fit and effective sealing. Skeleton oil seals are typically specified by their inner diameter (ID), outer diameter (OD), and thickness or width.

 

- Inner Diameter (ID): This is the diameter of the shaft on which the seal will be installed. Measure the shaft accurately to avoid leakage or seal damage.

 

- Outer Diameter (OD): This is the diameter of the bore or housing where the seal will be installed. The outer diameter should be slightly larger than the bore to create a tight fit.

 

- Width: The width of the oil seal should match the depth of the groove or housing where it will be seated. An incorrect width can lead to misalignment and inadequate sealing.

 

It's important to follow the manufacturer&#;s specifications for the proper size. Using calipers or other precise measuring tools can help ensure an accurate fit.

Rubber Skeleton Oil Seal

5. Check for Operating Temperature Range

 

The temperature range that the oil seal will be exposed to is another key factor. If the temperature exceeds the seal's capacity, it can lead to degradation, hardening, or softening of the seal material, leading to premature failure.

 

- Low Temperatures: For cold environments, choose materials like silicone that remain flexible even at low temperatures. NBR seals can handle cold temperatures but are not as effective in extreme cold.

 

- High Temperatures: For high-temperature applications, consider materials like Viton or PTFE that can withstand heat without losing their sealing properties.

 

Always ensure the material and design you select are capable of operating at the upper and lower limits of your application&#;s temperature range.

 

6. Verify Pressure Handling Capability

 

While most skeleton oil seals are designed for low-pressure applications, some seals are specifically designed to handle moderate to high pressure. If your application involves significant pressure levels, be sure to choose an oil seal that can withstand the force without failing.

 

- Low-Pressure Seals: For most general-purpose applications, standard skeleton oil seals can handle low pressures effectively.

 

- High-Pressure Seals: For higher-pressure environments, choose seals with reinforced lips or specialized designs that can handle the extra force.

 

7. Review Shaft Surface and Speed

 

The condition and speed of the shaft on which the oil seal will be mounted directly impact the seal&#;s performance. A worn or rough shaft surface can quickly damage the seal, leading to leakage.

 

- Shaft Surface: Ensure the shaft surface is smooth and free from grooves, scratches, or other imperfections that can compromise the seal. A polished shaft is ideal for maximizing the lifespan of the oil seal.

 

- Rotational Speed: Oil seals are designed to handle certain speeds. High-speed shafts require seals that can withstand the friction generated by rapid rotations without overheating or wearing out quickly.

 

8. Evaluate Dust and Contaminant Exposure

 

If your application is exposed to harsh environmental conditions, dust, or debris, consider using double-lip or triple-lip skeleton oil seals. The extra lips provide additional protection, preventing contaminants from entering the system and compromising the lubrication.

 

For heavy-duty applications, seals with dust flingers or wipers may also be an option to keep contaminants at bay.

 

9. Look for Additional Features

 

Some skeleton oil seals come with extra features designed to enhance performance and durability, especially in demanding applications. These include:

 

- Spring-Loaded Seals: Some seals feature a spring that helps maintain a tight fit around the shaft, ensuring consistent pressure and preventing leaks, even as the seal wears down over time.

 

- Labyrinth Seals: These seals have a unique design that provides extra resistance to contaminants, making them ideal for applications involving extreme dirt or dust exposure.

 

10. Consider the Cost and Availability

 

Finally, when choosing a skeleton oil seal, consider both the cost and the availability of spare parts. While it&#;s important not to compromise on quality, balance your budget with the specific needs of your application. Additionally, ensure that replacement seals are readily available for maintenance purposes.

 

Conclusion

 

Choosing the right skeleton oil seal involves understanding your application&#;s specific requirements, including the environment, shaft speed, pressure, and type of fluid being sealed. Consider the material, lip design, and seal size carefully, and ensure that the seal you select is suitable for the operating conditions. A high-quality, well-chosen skeleton oil seal will ensure efficient operation, extend the lifespan of your machinery, and reduce downtime due to leaks or failures.

 

Find premium O-rings in all sizes and materials. Perfect for industrial sealing. High-quality Seals for various industries.

If you are looking for more details, kindly visit t type skeleton oil seal for automotive engine.