Ball bearings for use in industrial machines; Automotive parts, namely, engine seals; Bearings for transmission shafts, being parts of machines; Belts for machines; Cam shafts; Clutches for machines; Connecting rods for machines, motors and engines; Machine parts, namely, bearings; Machine parts, namely, mechanical seals; Machine parts, namely, roll mill bearings; Roller bearings for machines; Self-lubricating mechanical friction parts, especially of composite materials, namely, wear rings, w...