Rolling bearing and rotating device including rolling bearing

A rotating device comprising:

• a first member;
• a second member;
• and
• a rolling bearing including:
• an inner ring;
• an outer ring;
• and
• a plurality of rolling elements provided between the inner ring and the outer ring, wherein:
• one of the inner ring and the outer ring is a rotating ring;
• the other one of the inner ring and the outer ring is a firm ring;
• the rotating ring is attached to the first member;
• the firm ring is attached to the second member;
• and
• a black oxide film having a mesh-shaped crack is formed on at least one surface of a fitting surface of the firm ring and a side face of the firm ring, the fitting surface facing the second member in a radial direction of the rolling bearing, the side face making contact with the second member in an axial direction of the rolling bearing.