Ball Screw Support bearings are the optimal choice for high performance ball screw and actuator applications. They are designed to provide a combination of high rigidity, low drag torque, exceptional control of axial runout, higher speeds and longer life. Applications include machine tools, precision measuring equipment and robot technologies.
Unit of Measure

Barden Part Number

N/A BSB 55120 DUH

Nachi Part Number

N/A 55 TAB 12DF



(d) Bore Diameter

N/A 55 mm

(D) Outside Diameter

N/A 120 mm

(B) Width

N/A 20 mm

(2B) Duplex Width

N/A 40 mm