JNS 6mm standard type cam follower with screwdriver slot head and crowned outer ring . 6mm stud diameter x 16mm outside diameter x 11mm width x M6X1 thread size. Equivalent to INA KR16, IKO CF6R, NTN KR16, McGill MCFR-16 . 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