1. Product Overview CF16BUU is standard CF-B series metric stud type cam follower bearing, adopting cylindrical thick-walled outer ring, cage guided needle roller structure, double-sided UU NBR contact seal, M16×1.5 threaded stud with hex socket for easy installation and relubrication. The thickened outer ring directly contacts guide rails and cam surfaces, capable of bearing impact and heavy radial loads. Internal precision retainer separates needle rollers to reduce