Aerospace Engine Components GEnx No.3 Bearing Seal Ring

Aerospace Engine Components for GEnx: 576 TO GE No.3 Bearing Seal Ring

Is Your GEnx Engine Protected Where It Matters Most?

In modern aviation, even the smallest component can determine the success of a mission—or the cost of a grounded aircraft. Among the most overlooked yet critical aerospace engine components is the No.3 Bearing Seal Ring (576 TO GE) for the GEnx engine. Though compact, this part plays a massive role in protecting your aircraft engine from high-temperature stress and sealing failures that lead to catastrophic outcomes.

If you're an MRO engineer, fleet manager, or OEM procurement specialist, you already know the pain of preventable bearing damage. And without effective sealing at the bearing location, even the world’s most advanced engines lose their edge in fuel efficiency and reliability.

What Is the No.3 Bearing Seal Ring (576 TO GE)?

The 576 TO GE is a precision-engineered sealing ring positioned around the No.3 bearing assembly in the GEnx engine. This area experiences extreme rotational velocity and heat. The seal ring prevents oil leakage, isolates the bearing chamber, and maintains pressure between the turbine section and core housing.

Crafted from heat-resistant alloys, this seal is designed to perform in a high-temperature environment exceeding 1,200°C. Its failure could mean bearing overheating, oil contamination, and eventual turbine imbalance. These issues translate into costly repairs and unscheduled downtime.

Why This Component Matters for Engine Health and Efficiency

Let’s face it: you can’t afford to lose pressure or oil control in your engine components. The No.3 Bearing Seal Ring is engineered to solve four critical challenges:

• ✅ Oil Control — Keeps lubricants exactly where they belong

• ✅ Thermal Resistance — Survives constant thermal cycling during takeoff and cruise

• ✅ Sealing Integrity — Maintains pressure differentials across the bearing cavity

• ✅ Component Longevity — Reduces bearing wear and shaft misalignment

By protecting the engine core, the seal ring plays a key role in maintaining fuel efficiency and ensuring the engine runs clean, cool, and balanced.

Common Pain Points Solved by the 576 TO GE Bearing Seal Ring

Aviation professionals consistently report frustration with these issues:

❌ Rapid Wear on Bearings

Without proper sealing, hot gases and oil mist contaminate the bearing zone.

❌ Fuel Inefficiency

Thermal imbalance and pressure loss force the engine to burn more fuel to compensate.

❌ Frequent Maintenance

Low-quality seals fail early, requiring unnecessary part replacements and labor costs.

❌ Non-Compliance Risk

Components lacking FAA or EASA certification expose operators to serious legal and safety consequences.

At Liyan International, we supply certified seal rings that eliminate these risks—helping you reduce costs while improving aircraft readiness.

What Makes Liyan’s 576 TO GE Seal Ring the Smart Choice?

Liyan’s sealing ring for the GEnx platform is not only built to spec—it’s built for durability. Here’s what sets it apart:

✦ Precision CNC Machining

Each ring is manufactured to exact tolerances for a flawless fit.

✦ Aerospace-Grade Materials

We use high-nickel alloys tested for thermal expansion, corrosion resistance, and fatigue.

✦ Global Compliance

Every part is certified under AS9100, and meets FAA/EASA traceability standards.

✦ Fast Global Delivery

Whether for scheduled MRO or urgent AOG, we ship fast—backed by responsive support.

Compatible with the GEnx Engine: Designed for Efficiency, Built for Endurance

The GEnx engine powers the Boeing 787 and 747-8—both known for long-range efficiency and reduced emissions. Maintaining that performance demands premium aerospace engine components that withstand high stress and minimize drag, heat, and oil loss.

The 576 TO GE seal ring is designed to complement GE’s exacting engineering philosophy—ensuring seamless integration with your powerplant.

Ready to Upgrade Your Seal Ring Reliability?

Precision matters, especially when operating under extreme high temperature and pressure conditions. Don’t risk component mismatch, early failure, or fuel inefficiency. When you choose Liyan International, you choose:

• Certified precision

• Expert engineering support

• Global fulfillment

Get a fast quote now and experience the confidence of working with a trusted aerospace partner.

Let’s help your aircraft engine fly farther—with confidence.