You may have a problem getting an exact replacement as Getty's no longer exists.
The options are repair to the existing one or sub a replacement from Baldor.
Another is to retrofit with a AC spindle from Mitsubishi etc.
The AC retrofit is often the same price as 3 phase DC replacement.
Obviously the Baldor or Mits replacement requires some degree of knowledge capable of integrating the new unit.
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.