As of diverse range of sources, including publicly available information, books, articles, and websites up to January 2022, some of the largest and well-known rolling bearing manufacturers include:

  1. SKF (Svenska Kullagerfabriken AB): A Swedish company, SKF is one of the world's leading suppliers of rolling bearings, seals, lubrication systems, and services.

  2. FAG Bearings (Schaeffler Group): A German company, Schaeffler Group, owns the FAG brand. They are a major player in the global bearing industry, producing a wide range of bearings and related products.

  3. NSK Ltd.: A Japanese company, NSK is a prominent manufacturer of bearings, including ball bearings, roller bearings, and automotive components.

  4. NTN Corporation: Headquartered in Japan, NTN is one of the largest producers of bearings globally, with a wide range of products for various industries.

  5. Timken Company: Based in the United States, Timken is a well-known manufacturer of tapered roller bearings and other related products for diverse industries.

  6. Schaeffler Group: In addition to the FAG brand, the Schaeffler Group owns the INA brand. They are a global supplier of precision bearings and components.

  7. JTEKT Corporation: A Japanese company, JTEKT is a major player in the automotive bearing market and produces a variety of bearings and steering systems.

  8. Nachi-Fujikoshi Corp.: A Japanese company, Nachi-Fujikoshi is known for its high-performance bearings used in industrial applications.

  9. RBC Bearings Incorporated: Headquartered in the United States, RBC Bearings manufactures highly engineered precision bearings and components for various industries.

Please note that the status of companies in the industry can change, and new developments may have occurred since last update in January 2022.

It's a good idea to check the latest information for the most current rankings and updates in the rolling bearing industry.

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