AS9120B, ISO 9001:2015, AND FAA AC 0056B ACCREDITED

A Comprehensive Introduction to Aviation Grease

Aviation grease is an often overlooked aspect of aircraft operations that plays a crucial role in ensuring safe and smooth flights. While it might not be the most glamorous topic in the aviation industry, understanding the importance of aviation grease is essential for anyone involved in aircraft maintenance and for aviation enthusiasts. This comprehensive guide will discuss aviation grease, exploring its various types, applications, and the critical role it plays in protecting aircraft components like ball bearings while also combating aircraft corrosion.

What is Aviation Grease?

Aviation grease is a specialized lubricant formulated for use in aircraft components, where extreme conditions such as high speeds, heavy loads, and fluctuating temperatures are commonplace. This high-performance lubricant is designed to reduce friction and wear between moving parts, ultimately prolonging the life of these components and ensuring the safe operation of an aircraft. It is often made of a base oil and a thickening agent, with additional additives to enhance specific properties.

Key Applications: Protecting Ball Bearings

One of the critical applications of aviation grease is in the protection of ball bearings. Ball bearings are essential components in aircraft, found in various parts such as landing gear, engine systems, and control surfaces. These bearings facilitate smooth movement and reduce the friction generated by rotating or oscillating parts. Without proper lubrication, ball bearings can wear out quickly, potentially leading to mechanical failures and catastrophic consequences.

Aviation grease serves as a barrier between the ball bearings and the surfaces they interact with, minimizing friction and distributing loads evenly. This not only extends the life of the bearings, but also enhances their performance, resulting in a safer and more reliable aircraft.

The Battle Against Aircraft Corrosion

Aircraft corrosion is a constant threat in the aviation industry due to the harsh operating conditions of flight, including exposure to moisture, chemicals, and varying temperatures. Aviation grease plays a vital role in combating corrosion by forming a protective barrier over metal surfaces. This barrier prevents moisture and contaminants from reaching the metal, thereby reducing the risk of corrosion.

The aviation industry has stringent regulations to ensure the safety of passengers and crew. Corrosion not only weakens the structural integrity of an aircraft, but can also compromise its functionality, making it crucial to employ effective anti-corrosion measures. Aviation grease, with its anti-corrosion properties, contributes significantly to these measures, safeguarding both the aircraft's structural integrity and its critical components.

Types of Aviation Grease

Several types of aviation grease are available, each designed to meet specific requirements and standards. The choice of grease depends on the application and the environmental conditions an aircraft is exposed to. Here are some common types:

  • General-Purpose Aviation Grease: This type is suitable for standard lubrication needs and provides good protection against corrosion. It is used in various aircraft components, including landing gear and engine accessories.

  • High-Temperature Aviation Grease: As the name suggests, this grease is formulated to withstand extreme temperatures. It is used in aircraft engines where temperatures can soar, ensuring consistent lubrication, even under such conditions.

  • Low-Temperature Aviation Grease: For aircraft operating in cold climates, low-temperature aviation grease is essential. It maintains its lubrication properties in freezing conditions, preventing components from freezing or becoming stiff.

  • Water-Resistant Aviation Grease: Ideal for components exposed to moisture, this grease offers exceptional water resistance. It is commonly used in areas where the risk of water ingress is high, such as landing gear.

  • Anti-Fretting Aviation Grease: This specialized grease is designed to prevent fretting corrosion, a type of corrosion that occurs in high-stress areas where tiny movements create friction. It is typically used in engine and airframe applications.


In conclusion, aviation grease is an indispensable component of the aviation maintenance industry, serving the critical functions of reducing friction, protecting against corrosion, and ensuring the longevity of essential components like ball bearings. Understanding the different types of aviation grease and their applications is vital for those involved in aircraft maintenance.

When you are in the market for high-caliber aviation grease, ball bearings, and other similar items that are dependably sourced from manufacturers that place quality at the forefront of their operations, look no further than Aerospace 3Sixty. As a purchasing platform owned and operated by ASAP Semiconductor, we proudly conduct business with AS9120B, ISO 9001:2015, and FAA AC 00-56B accreditation. To experience our fulfillment options and customer service, begin exploring our website today, and contact our team at your leisure by phone or email.


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