A cam follower, also known as a track follower, is a specialized type of roller or needle bearing designed to follow cam lobe profiles. Cam followers come in a vast array of different configurations, however the most defining characteristic is how the cam follower mounts to its mating part; stud style cam followers use a stud while the yoke style has a hole through the middle. Specifications Design: Crowned running surface. Sealing solution: Labyrinth seals. Outside diameter D: 52mm. Attachment diameter d: 20mm. Total length B: 66mm. Width outer ring C: 24mm. Length shank on stud B1: 40.5mm. Distance lubrication hole to flange ring B2: 9mm. Distance face outer ring to face side washer C1: 0.8mm. Outside diameter flange ring d1: 31mm. Thread stud G: M 20x1.5. Length thread G1: 21mm. Seat diameter for lubrication accessories M: 6mm. Diameter of lubrication hole (shank) M1: 4mm. Width across flats SW: 10mm. Chamfer dimension r1,2min: 1mm. Basic dynamic load rating C: 29.7kN. Basic static basic load rating C0: 36kN. Fatigue load limit Pu: 4.3kN. Maximum dynamic radial loads Fr: 18kN. Maximum static radial loads F0r: 25.5kN. Limiting speed: 3200r/min. Recommended tightening torque: 120Nm. Grease fitting: NIP A2x7.5. Hexagonal nut: M 20x1.5. Lubrication adapter: AP 10.