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
F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
F16C33/72—Sealings
F16C33/76—Sealings of ball or roller bearings
F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members