1. Product Overview 22210 CC/W33 is standard metric double row spherical roller bearing with overall dimension 50×90×23mm. CC refers to optimized symmetrical spherical roller design with stamped steel cage for uniform load distribution; W33 means outer ring is equipped with circumferential lubrication groove and three oil injection holes for convenient periodic grease replenishment without disassembly. Spherical outer raceway delivers excellent self-aligning performance,