..or simply clean the bed with isopropyl
8 x 22 x 7 mm - 608
9 x 24 x 7 mm - 609
15 x 28 x 7 mm - 6902
10 x 26 x 8 mm - 6000
12 x 28 x 8 mm - 6001
15 x 32 x 9 mm- 6002
https://www.printables.com/model/542689-print-in-place-small-bearings
Print in place bearing set:
https://www.printables.com/cs/model/541192-print-in-place-bearings
The author remixed this model.
Added rotating element