Core Viewpoint - The article highlights China's significant advancements in the development of high-end bearings, particularly in the context of the "14th Five-Year Plan," showcasing a successful collaboration between research institutions and enterprises to achieve self-sufficiency in critical industrial components [3][5][14]. Group 1: Industry Challenges and Initiatives - The bearing industry in China faces severe challenges, particularly the reliance on imported main bearings for shield machines, which poses risks related to high costs and supply chain disruptions [4][5]. - The Chinese Academy of Sciences initiated a strategic project for the self-controlled manufacturing of high-end bearings, integrating various research teams and enterprises to address these challenges [5][6]. Group 2: Technological Breakthroughs - A key breakthrough was achieved with the development of an 8-meter diameter main bearing for shield machines, marking a significant step towards self-sufficiency in high-end components [3][12]. - The research team focused on reducing oxygen content in bearing steel, which is critical for enhancing the fatigue life of bearings, leading to the successful creation of ultra-pure and high-homogeneity bearing steel [6][7][8]. Group 3: Collaborative Efforts and Implementation - A collaborative effort involving over 20 enterprises was established to tackle the entire lifecycle of bearing production, emphasizing the importance of integrating scientific research, engineering, and practical application [11]. - The first application of domestically produced 3-meter main bearings in a subway project in Shenyang signifies the transition of technology from the laboratory to real-world engineering [13]. Group 4: Future Prospects - The establishment of an industrial base for main bearings lays a solid foundation for further advancements in domestic production, with ongoing exploration of applying high-end bearing technology to other sectors such as wind power and medical devices [14].