Parametric design that allows you to define a bearing to suit your needs.

The parameters are:

Inner diameter

Outside diameter

Width

Ball diameter

Clearance

Bezel

In the design a clearance has been left for the balls. Depending on the defined clearance, more or less force is required.

As a reference, using 6mm airsoft pistol balls, the clearance that worked best for me was 0.7mm.

You can see it in video at:

https://youtu.be/OBFOPGkVv-E