Ball bearings for use in machines, namely, Textile machine, Electric machine; Bearing brackets for machines; Bearing cages being parts of machines; Bearings, as parts of machines; Machine parts, namely, bearings; Machine parts, namely, bearings and bushings; Roller bearings for machines; Self-lubricating mechanical friction parts, especially of composite materials, namely, wear rings, washers, bushings, spherical bearings, bearing pads, sliding blocks and machine transmission gears all for lo...