I've attached a simplified version of a part with a force on the O.D. and a Sliding Restraint on a face. The simulation fails because (I think) is is looking for more restraints. Question: How do I restraint it and not influence the distortion? Because the part is dished and has a window cut in it, the dish shape should flex and the center shaft should move away from the Roller/Slider restraint and the axis should tip as indicated by the black arrows. If I add a fixed restraint the simulation will run but gives a non-realistic result. Any held would be appreciated.
Try using some small edge or even a point to keep the part from moving (which is what it is probably doing). Another alternative might be to use 'soft springs' or 'inertial relief'.