1. Product Overview 22220 CC/W33 is standard metric double row spherical roller bearing with overall dimension 100×180×46mm. CC stands for optimized symmetrical spherical roller internal structure matched with stamped steel cage, which evenly distributes roller pressure and reduces internal friction loss. W33 design equips outer ring with full circumferential lubrication groove and three oil injection holes, allowing convenient on-site grease replenishment without complete