JNS 12mm standard type cam follower with hex socket on both ends and cylindrical outer ring with seals. 12mm stud diameter x 30mm outside diameter x 14mm width x M12X1.5 thread size. Equivalent to INA KR30PPX. 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