JRA series crossed roller bearing is designed with integral inner ring and split outer ring to reduce the thickness of inner and outer ring to the minimum of 16mm.
The ultrathin crossed roller bearing includes three product models which have same dimensions while different types of outer rings: JRA series crossed roller bearing is designed with horizontally split outer ring, JRA-C series crossed roller bearing with vertically split outer ring and JRBS series crossed roller bearing with integral outer ring.