Heat-treated steels, alloy steels and free-cutting steels; Part XVII : Ball and roller bearing steels

This technical specification establishes comprehensive requirements for the chemical composition and mechanical properties of specific steels designated for the manufacturing of ball and roller bearings. It falls within a broader series of standards focusing on heat-treated steels, alloy steels, and free-cutting steels. The document defines the permissible ranges for various elemental constituents, ensuring consistency in the material quality across different production batches. It also outlines the necessary metallurgical structures and performance criteria that the steel must meet to be considered suitable for bearing applications. By providing detailed guidelines on the manufacturing process and quality control measures, it aids manufacturers in producing components with high reliability and durability. The scope covers various grades of steel tailored for the demanding conditions experienced by rolling elements in rotating machinery. Adherence to these specifications ensures interchangeability and optimal performance of the resulting bearing components in diverse industrial environments.