The THK EK5 is a high-precision, fixed-side support unit designed for small-diameter ball screws. This compact, square-type unit incorporates an angular contact ball bearing with an adjusted preload, ensuring exceptional rigidity and stable rotational performance with minimal axial play. The EK5 is engineered for easy installation and is ideal for applications requiring precise positioning and smooth motion, such as in compact automation equipment, measuring instruments, and robotics. Its robust construction guarantees long-term reliability and accuracy in demanding linear motion systems.