Are the flanges pressed on to the centre tube or are they fixed by welding ?
I cant see any trace of (spot)welding so I think they are pressed together.
Yes, I want to convert a 5 bolter in to a 3 bolter to fit the drum

A 3 bolter has a ring with 12 holes fitted at the large flange side, but to get it there I have to take of one of the flanges.....
And,...Wanted: a QD spindle for a rigid frame 3 bolter, these are thinner then the plunger spindles