Originally Posted by barry123400

To prevent damage a brass drift is usually employed to remove the old and set the new race. It is not hard to do really.

Originally Posted by smiffy6four

The races are actually not hard to remove
I use an old chisel that has been ground flat across the bottom to drive out the races. Take your time, work the chisel around a bit at at time. Beware or scoring the soft iron where the race sits. If it does get dinged, dress it with a file or dremel.