JNS 20mm tap hole type cam follower with screwdriver slot and crowned outer ring with seals. 20mm stud diameter x 52mm outside diameter x 24mm width x M20X1.5 thread size. Equivalent to IKO CF-RU1-20, NTN KRT52LL. The Cam Followers is a highly rigid bearing, which consist of needle rollers between a shaft and a thick outer ring. The bearing has tap hole for piping, which can be used in a concentrated lubrication system. The thick outer ring is capable of bearing both large radial load and impact load while keeping direct contact with the guiding surface