Cam Follower Stress Calculator

Calculate Hertzian contact stress and fatigue life for cam and roller follower systems.

Normal force between cam and follower.
N
Radius of curvature at the contact point.
mm
Radius of the follower roller.
mm
Width of the cam/follower contact.
mm
Steel: 207 GPa.
GPa
Rotational speed of the cam.
rpm

Results

Equivalent Radius-mm
Half Contact Width-mm
Max Contact Pressure-MPa
Max Shear Stress-MPa
References: Norton — Cam Design and Manufacturing; Shigley's