Self aligning roller bearings are high-precision and high load capacity bearings widely used in aviation,aerospace,automotive, mechanical and other felds.With the continuous development of technology,the manufacturing process and technology of self-algning roler bearings are also constantly innovating andadvancing. This article willintroduce the manufacturing process and technologicalinnovation progress of self-aiqning roler bearings from the aspects ofmaterials, processing technology, surface treatment, testing technology, etc.