The Type RU cross roller ring from THK is said to have a unique configuration that results in an overall costs savings of up to 50%. Featuring mounting holes on both rings, the unit consists of one-piece outer and inner ring construction, and requires no precise housing preparation or special fixturing.
The engineered design is also said to allow for easy installation with
either inside or outside ring. Sizes range from 20 to 350 mm ID and 70
to 540 mm OD.
thk.com
The Type RU cross roller ring from THK is said to have a unique configuration that results in an overall costs savings of up to 50%. Featuring mounting holes on both rings, the unit consists of one-piece outer and inner ring construction, and requires no precise housing preparation or special fixturing. 
