I already have a set of spacer rings but I thought it would be better to put some bearings which have the correct outside diameter. As I will probably change my disc for a bigger one, I’ll have to remove the bearings and I was wondering whether I could take advantage of this opportunity to change the bearings. However, if it does not fit - as you state -, I will leave the current bearings with the spacers.
Thanks for your fast and detailed reply! 