Heavy-duty platform for rotators and thrust bearing up to 60 mm rotating mast diameter, fixed mast diameter 50-70mm. Hot-dipped galvanized. Distance from center of mast to end of platform: approx. 275mm. Distance from center of mast to center of mounting position (center of rotor/bearing): approx. 195mm. The thrust bearing GS-050 (Order No. 25020) can not be mounted on this platform!