Machine parts, namely, bearings and components thereof, namely, inner rings, outer rings, rolling elements, hubs, cages, sealings; clutches and components thereof for machines, namely, clutch release bearings, clutch disks, clutch forks; flywheels for machines; [ hydraulic clutch actuators not for land vehicles and parts for these, namely, ducts, tubes, master and slave cylinders; ] machine parts, namely, bearing bushings, rod ends, and axles for machines