Anti-friction bearings for machines; Bearing brackets for machines; Bearing cages being parts of machines; Bearings for transmission shafts, being parts of machines; Bearings, as parts of machines; Engine bearings; Machine parts, namely, bearings; Machine parts, namely, bearings and bushings; Machine parts, namely, roll mill bearings; Roller bearings for machines; Shaft bearings for vacuum pumps; Sliding bearings for machines