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Component of Aircraft Engine LEAP-1 Bearing 4 Front-End Seal Ring

The Bearing 4 Front-End Seal Ring is a high-performance aircraft engine component specifically designed for LEAP-1B engines. It prevents oil leakage, protects the bearing system from contamination, and ensures smooth engine operation under high-pressure and high-temperature conditions. Made from advanced materials like titanium alloys and ceramic composites, this component ensures durability, reliability, and enhanced engine performance.

LEAP-1 Component of Aircraft Engine:

Enhancing Engine Performance with Precision Engineering

Aircraft engines are marvels of modern engineering. Their performance depends on carefully designed components working together. Among these, the LEAP-1 series, developed by CFM International, has redefined efficiency and reliability in aviation.

From gas turbines to turbofan engines, these components propel the aircraft with precision, even under extreme conditions. Renowned manufacturers, including Rolls Royce, contribute to advancements that ensure smooth air intake, high-speed operation, and better fuel efficiency.

Introduction to the Bearing 4 Front-End Seal Ring

The Bearing 4 Front-End Seal Ring is a crucial component in the LEAP-1B engine. This aircraft engine component plays a key role in ensuring the engine’s reliability and performance. Located at the front-end of the 4th bearing, it prevents oil leakage and protects the bearing system from contamination. Designed for high temperature and high pressure, this seal ring is a testament to precision engineering.

Key Features of the Bearing 4 Front-End Seal Ring

Prevents Oil Leakage:

The seal ring creates a tight seal that prevents lubrication oil from escaping, ensuring consistent bearing performance.

Protects Against Contamination:

It blocks external contaminants like dust and moisture, safeguarding the integrity of the bearing system.

Withstands Harsh Conditions:

Made from advanced materials, such as titanium alloys or ceramic composites, the seal ring endures high pressure and temperature in the engine’s hot section.

Enhances Durability:

Its robust construction reduces wear and tear, extending the life of the bearing system and minimizing maintenance needs.

How the Bearing 4 Front-End Seal Ring Works

During operation, the engine's air intake system channels air efficiently, enabling turbines to generate thrust. The Bearing 4 Front-End Seal Ring ensures the bearing system remains sealed, even under intense rotational speeds and high stress.

This component works by maintaining a protective barrier around the 4th bearing, keeping the lubrication oil inside while preventing external pollutants from entering. This ensures that turbines which drive the aircraft operate smoothly and efficiently.

Benefits of the Bearing 4 Front-End Seal Ring

Improved Reliability:

The seal ring reduces the risk of oil leaks, ensuring consistent lubrication and reducing the chance of mechanical failures.

Enhanced Performance:

Proper sealing supports the turbine blades’ stability, enabling better energy transfer and optimal engine performance.

Reduced Maintenance Costs:

By minimizing wear on bearings, the seal ring lowers repair and replacement frequencies, saving costs for airlines.

Extended Lifespan:

Its durable design contributes to the engine's longevity, ensuring it operates efficiently over its lifetime.

Applications in LEAP-1B Engines

The Bearing 4 Front-End Seal Ring is an integral part of the LEAP-1B engine’s design. Its precise engineering supports the high-speed, high-pressure conditions in modern aircraft like the Boeing 737 MAX. This component ensures that the engine works seamlessly, providing the thrust necessary for both commercial and military aircraft.

LEAP-1 Components from Liyan International

At Liyan International, we specialize in providing high-quality aircraft jet engine components. Our products meet strict industry standards, ensuring superior performance and reliability. Below is a comprehensive list of the components we supply for LEAP-1 engines:

Component of Aircraft Engine LEAP-1 Bearing 4 Front-End Seal Ring

LEAP-1A/1C Components

  • Front Transition Duct Hanger (156 TO GE): Supports the smooth transition of airflow.

  • Turbine Front Segment Transition Sealing Ring (1890 TO GE / 394 TO GE): Seals and protects the turbine's front segment.

  • Fan Front Support (555 TO SF): Provides stability for the fan blade assembly.

  • Bearing Housing (9 TO BM / 188 TO BM): Supports and aligns engine bearings.

  • Secondary Rear-End High-Pressure Turbine Locator (276 TO GE): Precisely positions the high-pressure turbine.

  • Rear Mounting Ring (246 TO GE): Provides support for rear-end assembly.

  • Rotating Rings (Stages 2/3/4/5/6): Enhances turbine rotation across stages.

  • Retaining Rings (Stages 1/2/3): Locks critical components securely in place.

  • Low-Pressure Turbine Support (607 TO SF): Stabilizes the low-pressure turbine assembly.

LEAP-1B Components

  • Front Transition Duct Hanger (288 TO GE): Supports airflow in the front section.

  • Front-End Support Ring (158 TO GE): Provides front section stability.

  • Fan Front Support (533 TO SF): Maintains fan blade balance.

  • Secondary Rear-End High-Pressure Turbine Locator (140 TO GE): Ensures precise turbine positioning.

  • Rotating Rings (Stages 2/3/4/5): Improves turbine performance.

  • Bearing 4 Front-End Seal Ring (235 TO GE): Protects front-end bearings.

  • Bearing 4 End Stop Ring (242 TO GE): Secures the bearing assembly.

  • Retaining Rings (Stages 2/3/5): Holds turbine components firmly in place.

Why Choose Liyan International?

Precision Manufacturing:

Our components are crafted with the highest precision for seamless integration.

Durability:

Built to withstand extreme conditions, our products ensure long-lasting performance.

Cost-Effective Solutions:

Reduce maintenance costs while improving engine efficiency with our components.

Expertise:

With years of experience, we deliver innovative solutions for modern aircraft engines.


The Bearing 4 Front-End Seal Ring is more than just a component—it’s a critical element of aircraft engine performance. By ensuring proper sealing and protection, it enhances engine reliability, fuel efficiency, and safety. For high-quality LEAP-1 components of aircraft engine, trust Liyan International.

Contact us today to learn more about our innovative solutions and how they can improve your engines' performance.


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