The HFH RU42-UU-CCO is a high-precision crossed roller bearing, an integrated inner and outer ring type (RU series) designed for applications demanding exceptional rotational accuracy and rigidity. This genuine HFH bearing features rollers arranged at a 90-degree angle, enabling it to handle radial, axial, and moment loads simultaneously. With a 260mm inner diameter, 340mm outer diameter, and 40mm width, it is suitable for demanding industrial machinery, robotic joints, and precision rotary tables. The 'UU' designation indicates double seals, providing enhanced protection against contaminants and extending service life. Manufactured to P5 accuracy class, it ensures reliable performance in critical applications.