Tooth rims of metal in the nature of gears, drives and powertrains, turntables, being parts for machines, motors and engines; ring-shaped machinery components of metal, namely, roller bearings, large-diameter roller bearings, slewing bearings, wire ball bearings, wire roller bearings, axial ball bearings, axial roller bearings, crossed roller bearings, radial roller bearings, profile bearings, wire-race bearings; rotating connections in the nature of connecting rods, turntables, being parts for machines, motors and engines; ball rotating connections in the nature of connecting rods, slewing bearings, being parts for machines, motors and engines; roller rotating connections in the nature of connecting rods, slewing bearings, being parts for machines, motors and engines