Koyo is the brand for bearings. Engineering and manufacturing capabilities range from super large bearings with outer diameters of seven meters to miniature bearings with inner diameters as KOYO Bearings small as one millimeter. Utilizing new materials and the latest in manufacturing technology, JTEKT stands at the forefront, as a technological leader in the world bearing industry.

A bearing is a machine element that KOYO 437 Bearing constrains relative motion to only the desired motion, and reduces friction between moving parts.