AW139 Tail Rotor Duplex Bearing Tool*Kit Includes: RBW6405G00631 3G, RBW6405G04132 3G. This tool is used to pull out and push the duplex ball bearing from into the TR spider and slider assembly when removed from the TR actuator rod end. The tool, supplied in a suitable transportation box, is composed of the following items: Tool, TR duplex bearing removal, used to pull out the duplex ball bearing from the T. R. spider and slider assembly when removed from the T. R. actuator rod end;