All Categories > Super Precision Bearings > Super Precision Ball Bearings > Metric-Style Ball Screw Support Bearings > NSK # 55 TAC 120B Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… NSK # 55 TAC 120B, NSK 55 Inch (d) Bore Diameter and 120 Inch (D) Outside Diameter Metric-Style Ball Screw Support Bearing List Price QUOTE larger image 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: Imperial Metric Both Specifications Barden Part Number BSB 55120 DUH Nachi Part Number 55 TAB 12DF Manufacturer NSK