Cylindrical roller bearing "customizing" DIN 5412 (NJ 202)

The cylindrical roller bearings are better than the deep groove ball bearings at force absorption (See picture 2). And of course more printable. Through the customizing, it could be used in various places. It is also interesting in the food industry. With the right material (Igus filament) you can even use mold-free cylindrical roller bearings. 
The bearings are tolerated in 0.1mm and 0.2mm. And can be customized.

That was a small project by the way.