Machine parts or parts having mechanical application, namely anti-friction bearings, plain bearings, parts thereof and accessories thereto, namely rings, sleeves, washers, cages and retainers, bushes, shells, inserts and bearing parts all as parts for machines for forming and processing of metal, wood, plastics, paper and stone; machine parts or parts having mechanical application, namely, sheaves, pulleys and crankshafts, and rolling elements, namely balls, rollers and needles; pumps, and parts therefor, namely water pump spindle bearings; bearing housings; cooling water pumps for engines and motors; and seals for machine elements, namely bearings, shafts, transmissions and brakes