spalling

In the field of heavy‑duty industrial rotating machinery, cylindrical roller bearings—owing to their unique line‑contact geometry and superior radial rigidity—have consistently served as the foundational cornerstone of power transmission systems and spindle support assemblies. Unlike ball bearings, which rely on point contact, cylindrical roller bearings utilize the linear contact interface between the rolling elements and raceways to maximize load distribution within a limited spatial envelope. This distinctive characteristic has established them as the preferred bearing solution for high‑load applications, including metallurgical rolling mills, wind turbine gearboxes, mining crushing equipment, and precision machine tool spindles.