20TAB04DB-2LR Nachi Ball Screw Support Bearing 20mm x 47mm x 15mm Made in Japan 20TAB04DB-2LR Nachi Ball Screw Support Bearing, Bearing has the ability to achieve high precision and high performance on your applications, 20TAB04DB-2LR supports precision actuators in a wide range of applications such as machine tools, precision measuring equipment, and robot technologies, Made in Japan.