The "axis" and supporting parts of rotation that reduce friction will definitely experience friction. Bearings are used between the rotating "shaft" and the rotating support part.

Rolling element bearings are widely used in today's industry, so the maintenance of these bearings...

Sliding bearings, consisting of a shaft that rotates in a hole. There are several specific styles: bushings, journal bearings, sleeve bearings...

A bearing is a mechanical element that limits relative motion to a desired range of motion and reduces friction between moving parts.

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