This Sullair 16" Cooling Fan Blower part number 02250156-637 is in good condition.
It was removed off a 30HP Rotary Screw Compressor model 2207V/A, serial no 201012030037.
The shaft hole fits a 7/8" keyed shaft.
The parts manual has it as 16" outside diameter, but we measured it at 17" outside diameter.