1. SKF (Sweden)
Founded in 1907
Industry status: The world's largest bearing manufacturer, accounting for about 20% of the market share, with an annual output of more than 500 million sets and business covering more than 130 countries.
Technical features: With the vision of "a world of reliable operation", its products include rolling bearings, seals, lubrication systems and intelligent monitoring equipment. Its Explorer series bearings are known for their ultra-long life and excellent performance, and are widely used in automobiles, wind power, aerospace and other fields.
Innovation areas: Promote digital transformation and provide full life cycle management services, such as SKF4U one-stop solution.

2. Schaeffler Group (FAG/INA, Germany)
Founded: 1883 (FAG) / 1946 (INA)
Industry status: The world's first rolling bearing manufacturer, after the merger in 2001, it became the representative of German precision engineering, with annual sales exceeding 8.9 billion euros.
Technical features: Famous for high-precision, high-speed bearings, especially in machine tool spindles and automotive transmission systems. X-life series bearings lead the industry in maximum speed and load capacity.
Application areas: automotive engines, gearboxes and industrial robots.

3. NSK (Japan)
Founded: 1916
Industry status: Japan's largest bearing company, with a global market share of about 13%, and has technical advantages in the field of precision machining.
Technical features: Develop long-life bearing steel (such as EP steel), focus on high-precision angular contact ball bearings, used in electric injection molding machines, CNC machine tools and other equipment.
Market layout: More than 50 factories worldwide, 12 production bases in China, deeply involved in the new energy vehicle industry chain.

4. Timken (TIMKEN, USA)
Founded: 1899
Industry status: The world's largest tapered roller bearing manufacturer, the North American market leader, with products covering aviation, railways and heavy machinery.
Technical advantages: Using the world's top clean steel, the bearings are resistant to high temperatures and impacts, and are designed for extreme environments. Typical cases include providing 34-ton giant bearings for slag vertical mills.