JNS 5mm standard type cam follower with screwdriver slot head and crowned outer ring . 5mm stud diameter x 13mm outside diameter x 9mm width x M5X0.8 thread size. Equivalent to IKO CF5R McGill MCFR-13 . The Cam Followers is a highly rigid bearing, which consist of needle rollers between a shaft and a thick outer ring. The thick outer ring is capable of bearing both large radial load and impact load while keeping direct contact with the guiding surface