At $ 26 for a good one ( National is a big name bearings ) it isn't worth the risk. Beck has the holder for another $ 26 if you need that.

http://www.********.com/catalog/x,carcode,1193004,parttype,12743

It is also vitally important that the bearing never get pressed / hammered on to the drive shaft by the outer race, you _WILL_ brinell ( dent ) the race and it _WILL_ make noise. If you are pressing it into the holder, press on the outer race.