JTEKT Corporation, a leading global manufacturer, is the parent company behind the renowned KOYO brand of bearings. Originating from Koyo Seiko Co., Ltd., which was founded in Japan in 1921, the brand has a long history of engineering excellence.
Today, JTEKT manufactures a vast range of KOYO bearings for a wide variety of industries, including automotive, aerospace, wind energy, and heavy machinery. They are particularly known for their:
Precision and Quality: KOYO bearings are highly regarded for their reliability and performance in demanding applications, from high-speed trains to precision machine tools.
Technological Innovation: JTEKT invests heavily in R&D to create specialized bearings for extreme environments, such as high-temperature or corrosive conditions, and to develop advanced products like hybrid ceramic bearings.
Comprehensive Product Line: The brand offers a diverse portfolio of bearing types, from miniature bearings as small as one millimeter to massive bearings with outer diameters of seven meters, serving countless applications worldwide.
In recent years, JTEKT has unified its global brands under the single “JTEKT” name, but the KOYO brand remains widely recognized and respected in the bearing industry.


