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SKF Introduces ARCTIC15 Steel for Advanced Aircraft Engines

SKF Introduces ARCTIC15 Steel for Advanced Aircraft Engines
A New Material for Enhanced Engine Efficiency
Swedish engineering firm SKF has unveiled ARCTIC15, a patented bearing steel specifically developed to meet the aviation industry's increasing demand for more fuel-efficient engines and to support the sector’s ambition of achieving net zero emissions by 2050. This innovative material is engineered to endure higher temperatures and greater mechanical loads, enabling the design of advanced aeroengine architectures that surpass current operational limits.
As aircraft manufacturers strive to develop engines capable of reducing fuel consumption—and consequently emissions—by 20 to 25 percent, the need for durable, high-performance materials has become critical. ARCTIC15 addresses these challenges by offering exceptional temperature resistance and corrosion tolerance, making it ideal for rolling bearings in high-power-density, high-speed environments. When paired with ceramic rolling elements, the steel facilitates more compact bearing solutions capable of withstanding heavier loads and elevated temperatures compared to existing steels used in aeroengine applications.
Gregory A. Zimmerman, Director of SKF’s Aerospace Business Unit, described ARCTIC15 as a breakthrough alloy designed to enable smaller, more compact bearing solutions that can handle increased loads. He emphasized that this innovation unlocks new engine architectures and enhances efficiency throughout the entire lifecycle of the equipment.
Development, Testing, and Industry Implications
SKF’s aerospace division has invested nearly a decade in the development and rigorous testing of ARCTIC15, a case-carburized stainless steel. Initial work began through collaborations under the EU-funded Clean Sky initiative. The company has since produced both demonstrator and full-scale prototypes, validating the material’s performance under demanding operating conditions. A ground test demonstration with a leading aeroengine original equipment manufacturer is planned for early 2026 as part of the Technology Readiness Levels process.
Despite this advancement, SKF faces competition from other firms developing alternative advanced materials, including high-entropy alloys and ytterbium silicide, which also promise enhanced performance for aircraft engines. The introduction of ARCTIC15 is likely to accelerate innovation across the industry, prompting rivals to develop new materials or improve existing technologies to remain competitive. Market responses are expected to vary as stakeholders assess the relative advantages of these emerging solutions.
Commitment to Sustainability and Industry Collaboration
In a move to promote wider adoption of sustainability-driven technologies, SKF will offer access to the patented ARCTIC15 technology through its Patent Bay platform, providing free access to selected patents. Hans Landin, President of Specialized Industrial Solutions at SKF, highlighted the company’s dedication to sustainability, stating that SKF transforms deep insights into practical solutions that reduce friction, lower emissions, and extend equipment lifespan.
Founded in 1907, SKF operates in approximately 130 countries and maintains around 17,000 distributor locations worldwide. The company reported annual sales of SEK 98,722 million in 2024, underscoring its significant presence in the global engineering sector.

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