How to add knob to GM2804?

Hello Friends,
Is it the correct way to add a knob to GM2804?

Are you asking if installing a press fit knob onto a shaft is the right way to attach a knob to a shaft?

No, I am asking is it ok to put force on motor inside part? Because as I know the gimbals have shell around the motor, similar like here:

It looks ok to me! But best just to try it out :smiley: