Bearing 4 Front-End Shaft Seal

Aerospace Precision Components:

LEAP-1A/1C & LEAP-1B Shared Components: Bearing 4 Front-End Shaft Seal （369 To GE）

Figure 1. LEAP-1A, is in cross-section with booster to compressor bleed valve area marked with a red circle. Source: CFM.

The Bearing 4 Front-End Shaft Seal is an essential part of modern aerospace precision components. Found in both LEAP-1A/1C and LEAP-1B engines, this seal ensures reliability and efficiency in demanding environments. By providing superior sealing and protection, it enhances performance and reduces wear on critical components.

What Is the Bearing 4 Front-End Shaft Seal?

The Bearing 4 Front-End Shaft Seal is a critical aerospace part. It prevents oil leakage and blocks contaminants from entering the engine's bearing chamber. This component plays a vital role in maintaining lubrication, ensuring smooth engine performance under high temperatures and pressures.

We designed the seal from stainless steel and strong alloys to meet the tough needs of the aerospace industry. Its durable construction ensures long-term reliability, even in extreme conditions.

Key Features of the Bearing 4 Front-End Shaft Seal

• Oil Containment: Maintains proper lubrication for bearings.

• Contaminant Protection: Prevents debris and external particles from entering the bearing system.

• Durable Materials: Built with precision aerospace alloys for strength and longevity.

• Enhanced Efficiency: Reduces energy loss by maintaining a stable environment for the bearings.

• Minimized Wear: Prolongs the life of other critical engine components.

How Does the Bearing 4 Front-End Shaft Seal Work?

The seal creates a tight barrier around the Bearing 4 assembly. This ensures:

Optimal Lubrication: Prevents oil from escaping and reduces friction.

Contaminant Resistance: Keeps dirt and moisture out, protecting the bearing's integrity.

Stability in Operation: Balances pressure, ensuring smooth engine performance.

The Bearing 4 Front-End Shaft Seal is a key component in maintaining the high standards of aerospace applications. It supports the engine’s fuel systems by ensuring stable and reliable operation.

Benefits of the Bearing 4 Front-End Shaft Seal

• Improved Reliability: Reduces the risk of mechanical failure.

• Extended Component Lifespan: Protects bearings from wear and damage.

• Enhanced Safety: Ensures consistent performance, even in challenging conditions.

• Lower Maintenance Costs: Minimizes the need for frequent repairs or replacements.

• Optimized Efficiency: Helps engines perform at peak levels.

Applications in LEAP Engines

The Bearing 4 Front-End Shaft Seal is used in LEAP-1A, LEAP-1C, and LEAP-1B engines, which power aircraft like:

• Airbus A320neo

• COMAC C919

• Boeing 737 MAX

This component ensures seamless engine performance, making it indispensable in the aerospace industry.

Liyan International: Manufacturer of Turned Components for the Aerospace Industry

At Liyan International, we specialize in delivering high-quality precision machined parts for modern aerospace companies needs. With advanced CNC machines, we produce components that meet the strict requirements of the aerospace sector.

LEAP Components We Supply

LEAP-1A/1C Components

• Front Transition Duct Hanger: Ensures smooth airflow.

• Turbine Front Segment Sealing Ring: Protects the turbine’s front section.

• Fan Front Support: Stabilizes the fan blade.

• Bearing Housing: Aligns and supports bearings.

• Rear Mounting Ring: Provides rear-end assembly support.

LEAP-1B Components

• Rotating Rings (Stages 2/3/4/5): Enhance turbine rotation.

• Retaining Rings (Stages 2/3/5): Hold turbine parts securely.

• Bearing 4 Front-End Seal Ring: Protects the front-end bearings.

• Bearing 4 End Stop Ring: Secures the bearing assembly.

Our commitment to high-quality aerospace components ensures that engines operate efficiently and reliably.

Why Choose Liyan International?

• Precision Manufacturing: Tight tolerances for maximum accuracy.

• Durable Materials: Long-lasting components built for extreme conditions.

• Cost Efficiency: Reduced maintenance costs and operational downtime.

• Aerospace Expertise: Decades of experience in aerospace components manufacturing.

The Bearing 4 Front-End Shaft Seal is a cornerstone of precision aerospace engineering. It enhances engine reliability, reduces maintenance, and supports the efficiency of LEAP-1A/1C and LEAP-1B engines. At Liyan International, we deliver top-quality precise parts designed to meet the exacting standards of the aerospace sector.

For high-quality aerospace precision components, trust Liyan International. Contact us today to learn more about our innovative solutions for the aerospace industry.