F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F16 ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
F16C19/00 Bearings with rolling contact, for exclusively rotary movement
F16C19/02 with bearing balls essentially of the same size in one or more circular rows