It has a smaller share of the Iranian market than some other bearing brands. However, due to the use of KOYO bearings and roller bearings as OE parts on many industrial machines in the world and the emphasis of the machine manufacturer brochure on the use of KOYO bearings and of course due to the appropriate trade relations between Iran and Japan. There are also these bearings and roller bearings in Iran. KOYO Bearings and Bearings KOYO is produced in a wide range of dimensions from miniature bearings to super bearings used in cement mines and bearings in the military industry.