The Precision Angular Contact Bearing Protrusion Flexible Inspection System is an automated testing device specifically designed for angular contact bearings. Integrating high-precision sensors, advanced measurement algorithms, and a flexible mechanical structure, this system enables rapid and accurate measurement of bearing protrusion. Additionally, the CGXi Intelligent Collaborative Robot, renowned for its high precision, flexibility, and safety, has been incorporated into the system to perform automated loading/unloading, positioning, and auxiliary operations during the measurement process.