THK RU Series Cross Roller Rings

The THK RU Series Cross Roller Ring is an integrated cross roller bearing designed for smooth and precise rotary motion. Its integrated inner and outer ring construction provides a compact solution for precision rotary mechanisms and equipment.

The RU Series is available in different sizes to suit various rotary motion requirements. The available models include RU297UUC0X and RU85UUC0. The RU85 has a 55 mm inner diameter, 120 mm outer diameter and 15 mm width, while the RU297 has a 210 mm inner diameter, 380 mm outer diameter and 40 mm width.

The RU85 provides a basic dynamic load rating of 20.3 kN and a basic static load rating of 29.5 kN. The larger RU297 provides 156 kN dynamic and 281 kN static load ratings. The UU designation indicates seals attached to both ends. The C0 designation refers to the radial clearance, while the X option indicates an inner ring tapped-hole configuration.