Stud-type track rollers, such as cam followers, have a built-in threaded rod, instead of an inner ring, for either threaded mounting or through-hole mounting onto machine components. Through-hole mounting uses a hexagonal nut on the threaded end to secure the bearing into place.

Cam followers 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 or cylindrical roller bearings. Instead of an inner ring, they have a threaded solid stud.Cam followers and track rollers from Grainger can withstand a variety of mechanical applications. Choose from assorted cam follower types, including full complement needle rollers, stud, heavy stud, crowned and yoke.