... . If enlarged the radial internal clearance of these bearings, the bearings have the features of the angular contact ball bearings and can ... from 10mm to 200mm, 6000 series, 6200 series, 6300 series, 6400 series, 6700 series, 61800 series, 61900 series, 62200 series, 62300 series, 63000 series, R series, RLS series, RMS series, 1600 series, 16000 series etc