As Phil says the answer is yes
replace the existing original fitment bearings which are
75162.2566 = 6005 2RS C3 47 X 25 X 12
with 6303 2RS C3 bearings which have the dimensions 47 X 17 X 14
http://cgi.ebay.co.uk/SKF-Rubber-Sea...item334a14c3ea As Phil pointed out they are 2mm wider but have the same Outside Diameter and will fit the 17mm spindle