Trunnion ram bearing fix

[f350ca]

I was thinking more of using a 1 inch dowel pin as the spigot that way its already hardened and ground . Could you bore the hole then slit the plate to the short end and put a bolt through to clamp the pin? doubt if locktite would take the forces involved here.
Hardening the pin is going to ruin the surface finish, it would need to be ground after hardening.
Does this plate slide to change the stroke length? My little shaper has a T slot in the bull gear, the shaft is hollow and a trough bolt locks the pin from the outside.