7 ELECTRONIC AND MECHANICALLY OPERATED MACHINERY FOR MANUFACTURE OF ROLLER BEARINGS, RING BEARINGS, BALL BEARINGS, AND ROLLER BODIES, ROLLERS BALLS AND CAGE BANDS FOR SAID BEARINGS; MECHANICALLY OPERATED MACHINERY FOR SORTING ROLLER BODIES; ROLLER BEARING FEEDING MACHINES; JIGS FOR THE GUIDING AND SHAPING OF BALL OR ROLLER WIRE RACEWAYS; AND ROLLER BEARINGS