CF18UUR Cam Follower Needle Roller Bearing 18x40x58mmCF18UUR Cam Follower Needle Bearing 18mm Stud Type M6 Thread, 58mm Length The CF18UUR is a cam follower needle bearing designed to track linear motion under heavy loads. With a threaded M6 x 1 stud, it's easy to install on guides or rails in automated machinery, conveyors, and indexing equipment. Built to handle high impact and side loads. Size: 18mm stud diameter x 40mm outer x 58mm length Cam follower design with needle rollers Threaded stud: M6 x 1