Bearing brackets for machines; Bearing housings for machines; Bearing inserts for machines; Bearings for transmission shafts, being parts of machines; Bearings, as parts of machines; Chain conveyors; Chains for conveyors; Gears and enclosed drives for industrial machinery; Gears for machines; Gears, other than for land vehicles; Power transmissions and gearing for machines; Anti-friction bearings for machines; Engine bearings; Engine timing components, namely, cam sprockets and chains; Machine parts, namely, bearings; Machine parts, namely, gear drives; Machine parts, namely, roller bearings; Reduction gears being parts of machines; Reduction gears other than for land vehicles; Roller bearings for machines; Roller chains being parts of 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 load bearing machines, conveyors, handling trucks and machines, lifting machines, agricultural machinery, construction equipment machines and hydraulic turbines; Shaft bearings for vacuum pumps; Transmission gears for machines