When I replaced the bearings on my 140, I had to take the rotors in and have the new race pressed into the hub. I didn't have a press so I could not do it myself. The front ones were pretty simple to remove the hub carrier, but the rear was a real bother, with 5 strut arms and the emergency brakes, it took hours to remove the rear hub carrier. I would recommend taking your front carriers to a shop and have the race pressed in, this ensures that you will get it in there properly and aligned.