3568  Mechanical Power Transmission Equipment, Not Elsewhere Classified

Establishments primarily engaged in manufacturing mechanical power
transmission equipment and parts, for industrial machinery.  Establishments
primarily engaged in manufacturing motor vehicle power transmission
equipment are classified in industry 3714; those manufacturing aircraft
power transmission equipment are classified in industry 3728; those
manufacturing ball and roller bearings are classified in industry 3562; and
those manufacturing speed changers, industrial high-speed drives, and gears
are classified in industry 3566.