Bearings for transmission shafts, being parts of machines; Machines for use in agriculture, namely, self-propelled seed sowers and self-propelled seed sowers combined with earth moving equipment; Transmissions for machines; Ball bearings for use in machines, namely, mechanical and hydraulic lifts; Bearings, as parts of machines; Transmission shafts, other than for land vehicles; Elevator chains being parts of machines; Transmissions, other than for land vehicles; Driving chains other than for land vehicles