Koyo's SACs for spindle drive shaft support
After the merger of Koyo Seiko and Toyoda Machine Works in 2006 to form JTEKT Corporation, engineers from both divisions have worked closely together to develop state of the art spindle shaft support bearings, which are key to modern machine tools with high accuracy & precision requirements.
See related article in BearingNews:
https://www.bearing-news.com/koyos-sac-bearings-for-precision-screw-drive-shaft-support/