Design considerations

Attachment holes for studs

The holes in the adjacent part of machinery that will accommodate the stud or eccentric collar of a cam follower should be machined to tolerance class H7Ⓔ.
If the requisite tightening torque for the hexagonal nut (table 1) cannot be achieved or the cam followers are subjected to impact loads, the stud or eccentric collar should be mounted with an interference fit. The lead-in chamfer of the holes should be ≤ 0,5 × 45°.

Support surfaces

The flange ring that is pressed onto the stud shank should be axially supported:
SKF logo