My completely redrawn improved bearings. They were inspired by guppik from Thingiverse. They have improvements for easier printing and a new body structure.
A version of these dimensions:
8 x 22 x 7 mm - 608
6 x 19 x 6 mm - 629
9 x 17 x 5 mm - 689
7 x 14 x 5 mm- 687
5 x 16 x 5 mm - 625
5 x 11 x 5 mm - 685
10 x 15 x 4mm - 6700