17x28x7 mm used as a hub bearing and can be used as a pivot bearing

17x28x7 mm

18x30x7 mm this bearing replaces bearings marked 6903 in front hubs from DT Swiss, Giant and Bontrager, though the ID of this bearing is 1mm larger than standard 6903.

1/4"x5/8"x0.196" for hubs, pedals and as pivot bearing

3/8"x7/8"x9/32" for BMX hubs

1/2"x1-1/8"x5/16" for BMX hubs and some wheelchair hubs

9x22x7 mm used as freehub bearing, particularly by Mavic.

25x37x7 mm, for hubs - Mavic, WTB, Easton, American Classic and other, for bottom bracket Race Face BB and other