Looking for good supplier of MR 105 zz bearing for medical application

I Hi I want MR 105 zz bearing it has to be used for medical application where it will come in contact with saline so I want corrosion free bearing with 10000-15000 rpm and it should have zz , and it will move in both directions 
1) bearing body , cage , balls , zz all in Saltainless steel or bearing body ,cage , zz all stainless and ball ceramic  plz give cost and details of both and what do u suggest for medical device to use saltainless steel ball or ceramic ball bearing


For this give me good supplier , specially who are doing dental bearings