What Are Aerospace Bearings?

When it comes to Aerospace bearings danbury ct, the aircraft industry knows they can count on Radial Bearing Corporation. They are a reliable source of bearings for a wide range of applications. What Are Aerospace Bearings then? РThis article will introduce the different types and applications of these bearings. From gas turbine engines to UAVs, these bearings play an important role in ensuring the smooth functioning of the machines. Here, we will discuss the materials used in aerospace bearings and their characteristics. We will also cover their traceability, which is a crucial design aspect. This article is designed to provide you with an overview of these fascinating products.

The material used in aerospace bearings

The aerospace bearings market is segmented into fixed-wing, rotary-wing, and uncrewed aerial vehicles (UAV). The fixed-wing segment is expected to witness the highest CAGR during the forecast period, driven by the increasing air passenger traffic and the replacement of aging aircraft. The Middle East and the Asia Pacific are expected to be the fastest-growing regions, with the rising disposable income levels boosting demand for aircraft parts.

The most common material used in bearings is alloy 52100 steel. This material has a consistent hardness throughout the entire bearing, from surface to core. Its tensile strength is between 60 and 70 Rockwell C. Its low flexibility allows it to be used in directions in a wide range of temperatures. Various types of alloys are used to manufacture aerospace bearings. However, there are a few exceptions to this rule.

Applications of aerospace bearings

Aerospace bearings are used in rocket turbopumps, jet engines, and other moving components. NTN, a company that manufactures bearings for the aerospace industry, has worked closely with the aviation industry for more than 50 years. They produce bearings for various applications in the aircraft industry, including generators, motors, starters, oil pumps, and cabin superchargers. These types of approaches are lightweight and strong and can withstand high speeds.

The market for aerospace bearings is segmented into three main segments: fixed-wing, rotary-wing, and uncrewed aerial vehicles. The fixed-wing segment is expected to grow at the fastest CAGR during the forecast period, owing to increasing air passenger traffic and the replacement of older aircraft. In addition, demand for wide-body aircraft is expected to increase due to the rise in long-haul air travel. In 2015, the number of air passengers increased by almost three percent.

Applications of aerospace bearings in gas turbine engines

The electromagnetic bearings in gas turbine engines provide an efficient means of enabling active control of engine speed. Dynamic control involves monitoring the distance between the shaft and the electromagnetic bearing. Each electromagnetic bearing is associated with a plurality of sensors that provide output signals representing the distance between the shaft and the electromagnetic bearing. For example, Figure 2 shows the configuration of the first and second electromagnetic bearings. These bearings each contain a plurality of coils, which generate a magnetic field that supports the shaft.

Two different materials are used in the manufacture of aerospace bearings. M50 tool steel is a low carbon variant of 52100 and is capable of operating at higher temperatures. M50 NiL is a nickel-low carbon variant of M50, added to nitrogen to allow it to undergo a case-hardening process on the outside. In addition, its high-temperature tolerance will enable it to expand along with the hot shaft.

Applications of aerospace bearings in UAVs

Aerospace bearings are critical for aircraft engines and landing gear, allowing two mated surfaces to move freely. Unlike conventional ball bearings, which can wear out or fail in a short time, aerospace bearings are designed to withstand high temperatures and corrosion. These features make them ideal for battlefield applications. Using these bearings also allows manufacturers to use large-diameter hollow shafts. In addition to reducing weight and space, they can accommodate electrical wiring, air, hydraulic lines, and slip rings.

The market for aerospace bearings is categorized according to the materials used in its production. The most popular materials include stainless steel and fiber-reinforced composites. Other widely used materials include engineered plastics and stainless steel. Stainless steel is relatively inexpensive and is commonly used for aircraft bearings. It is also available in large quantities. While steel and titanium are both common materials for aerospace bearings, the latter is expected to grow fastest during the forecast period.