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4 Key Benefits Of Using Oil Seals In Machinery - Blog

Dec. 16, 2024

4 Key Benefits Of Using Oil Seals In Machinery - Blog

Oil seals may be a small and unobtrusive component, but their role should not be understated. Also known as rotary shaft seals, oil seals are designed to close even the most marginal spaces between stationary and moving components in mechanical equipment to prevent lubricants from seeping out.

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In this article, we&#;ll explain four key benefits of using oil seals in your equipment and why it is imperative that worn seals are promptly replaced.

1. Preventing Leakage, Protecting Machinery

A key function of oil seals is to prevent the leakage of lubricants which are essential for the smooth operation of machinery by reducing friction and wear between moving parts. When oil seals are properly installed, they ensure that the lubricant remains inside the machinery and prevents leakage onto the floor or into the environment. As well as conserving lubricant supplies, this ensures that the machinery operates at optimum efficiency and that sensitive moving components aren&#;t severely damaged by excessive friction. Preventing leakage also offers important environmental benefits, reducing the risk of contamination through spillage.

2. Preventing Contamination

Oil seals are crucial in protecting components within machinery from external contaminants, such as dust, dirt, and moisture, which can cause corrosion, wear, and ultimately, premature failure. By effectively sealing the internal components from the external environment, oil seals extend the lifespan of these vital parts and reduce downtime and maintenance costs in the long-term. Protection is especially important in harsh or dirty working environments where the risk of contamination is high.

3. Enhancing Efficiency

The use of properly installed oil seals significantly improves the efficiency of machinery. By reducing friction and wear within the system, they ensure machinery can operate more smoothly and with less energy consumption. Reduced friction also means less heat generation, which is beneficial for maintaining the optimum temperature of the equipment. As well as achieving much-needed cost savings in terms of reduced energy use, oil seals enhance overall productivity as there are fewer periods of downtime or maintenance.

4. Prolonging Machinery Life

Finally, by minimising wear and tear, oil seals contribute significantly to extending the lifespan of essential machine components, such as bearings and shafts. Consequently, reduced downtime is likely as there are fewer breakdowns and maintenance requirements, translating into cost savings and more consistent production output.

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Replacing degraded oil seals is the best way to seal a leaking oil tank so, to find out more about our oil seals and the benefits for your industrial applications, please download our free guide or call us on to speak to an expert.

Oil Seals - Everything you need to know about

Shaft seals, dirt seals, grease seals, lip seals, and many other names are only a few of the many names given to oil seals. They are simple components used in rotary shaft machinery to keep oil from leaking and impurities like dust, dirt, and water out. However, an oil seal&#;s most crucial role is to safeguard all ball, sleeve, and roller bearing types found in rotating shafts. Additionally, the seals stop blending two fluids that shouldn&#;t mix, such as water and oil.

What are oil seals?

A mechanical tool called an oil seal keeps lubricant from leaking out of the machine. It accomplishes its goal by sealing the equipment&#;s moving and stationary parts. Additionally, it prevents impurities from getting inside the machine and shortens its lifespan, an important role it completes.

Numerous oil seals exist, including PTFE lip oil seals, rubber fabric oil seals, and rotating V-seals.

An oil seal kit is a set of oil seals with the necessary dimensions and desired characteristics. An oil seal kit is more cost-effective and advantageous than buying individual oil seals.

Types of oil seal NBC offer

Oil or other seals can be used for grease and oil seals. A flexible lip, radial lip, or rotating shaft seal are different names for an oil seal. Single lip, double lip, triple lip, and four or more lips are frequent configurations.

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Double dust lip seal

A seal with a garter spring design is the Double Dust Lip (DDL) seal. It has two dust lips, as the name would imply, plus a fluid lip with a garter spring to keep the lip firmly attached to the wear ring. Given the ongoing evolution of bearing seal designs, this seal would be considered a starting seal. For more than 50 years, this design has been the workhorse of the freight business; it still is in some regions. NBC Brenco Bearing Seal performs the fundamental task of keeping contaminants and grease out. Because of the garter spring, this seal would add the most torque and temperature to the bearing.

Efficiency plus bearing seals

Due to eliminating the fluid lip using poly inserts and rotors, the Efficiency Plus (EP) seal has a reduced torque value of fewer than 15 in-lbs. Although it features a triple dust lip rather than a double dust lip, the dust lip is still a molded component of the design. A labyrinth-like insert and rotor interlock each other to replace the fluid lip. NBC Brenco labyrinth provides excellent grease while lowering the torque required to rotate the seal.

Other types of oil seal and grease seals include:

Single lip oil seal
Metal cased
All rubber or polymers
Internal orientation
External orientation
Axial orientation
Spring-energized

Purpose of oil seal

To serve as a physical barrier that keeps the lubricant in the designated area.
To stop the lubricating oil from leaking outside despite high oil pressure.
Act as a barrier to keep debris, contaminants, and other outside elements out of the system containing the lubricating oil.

Why is bearing a seal important?

Why are sealed bearings favored over the unsealed alternative? Why ought sealed ball bearings be preferred to unsealed ones? What advantages can sealed ball bearings offer?

Worry-free lubrication
No contact
Self-contained

What are bearing isolators?

Dynamic seals called bearing isolators are used to shield bearings from external impurities. They are revolving (rotor) and stationary (stator) elements. O-rings or strong seals are used in some bearing isolators, while they are constructed like labyrinths in others.

Different types of bearing seals

For many bearings, a good bearing seal is essential. Bearing seals perform a dual function by keeping lubricants from leaking out while preventing impurities from entering your parts. Both procedures can help your bearings last longer, but choosing the proper seals for your components is critical. Different types of bearing seals include:

Contact seals
No-contact seals
Labyrinth seals

Pick the proper seal for your bearing with the NBC bearing
.

Several variables, including maximum temperatures, required lubricants, available space, and more, may influence your choice of bearing seal. Each factor can affect the type of bearing best for your application, the amount of material required, and other factors.

Although the choice of seals is crucial to the effectiveness of your bearings, you don&#;t have to make that choice alone. Our experts at NBC bearings can collaborate with you to identify the bearings and bearing seals that provide the best, most affordable solution for your application, environment, and finished product.

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