Koyo Koyo USA is a company Koyo EXSEV BearingSeries With the launch of our new website, Koyo is proud to bring you its "Online" ball & roller bearing general engineering catalog. For all of your applications see how easy it is to search by bearings type, size or bearing number to find your desired bearing in seconds. Detailed information can be found on the majority of Koyo's bearing product line up. "Koyo Introduces Steel Retainer Spherical Roller Bearings to The Industrial Aftermarket Program" After careful consideration, Koyo has decided to change many common sizes of spherical roller beari