Crowned & Flat Cam Followers Bearings

Cam followers (stud-type track rollers) are designed to run on all types of tracks and to be used in cam drives, conveyor systems, etc. They are based on either needle (fig. 1) or cylindrical (fig. 2) roller bearings. Instead of an inner ring, they have a threaded solid stud (pin). SKF supplies them ready-to-mount. They are available in several designs and variants:with different stud designs:,a concentric seat
an eccentric collar .with several sealing solutions.with the outer ring running surface profilecrowned as standard cylindrical (flat)
In contrast to ball and roller bearings, where the bearing size refers to the bore diameter d, for cam followers the size refers to their outside diameter D.

These are two main styles when it comes to the outer rings for cam followers: flat or crowned. Flat outer rings, also called cylindrical outer rings, are exactly as they sound – flat across the width of the OD. Crowned outer rings are beveled on the outer ring/head itself.