Robust Series of Ultra HighSpeed Angular Contact Ball Bearings


This series developed with the best of material, evaluation, and analysis technologies, of which NSK is proud. This is highly functional series for machine tool. In addition, the sealed type of this series, which offers longer service life and shows excellent environmental friendliness is available.


1. Reduces heat generation and achieves high-speed rotation

2. X type bearing, which is made of SHX steel developed by NSK, offers long service life for use in high-speed applications.

3. Wide lineup to meet various applications is achieved.

4. Grease life of the selaed type has been extended.