THK DIR Series Precision Rotary Ball Screw
The THK DIR Series Precision Rotary Ball Screw is a precision ball screw designed for rotary nut applications, providing smooth and accurate linear motion with the ball screw nut rotating around the screw shaft. Its preloaded design provides high rigidity and stable positioning performance.
The DIR Series is available with 16 to 40 mm screw shaft diameters and leads from 5 to 12 mm, depending on the model. It offers a DN value of 70,000, with support-bearing configurations and permissible rotational speeds up to 4,170 min⁻¹ for selected models.
