VEVOR Bearing Puller Kit, 14-Piece 5 Ton Capacity Bearing Separator, Pinion Wheel Bearing Removal Kit with 50 mm and 70 mm Jaws, Bearing Puller Set, Heavy Duty Bearing Splitter Tool Kit with Case

The size refers to the bearing’s outer diameter, not the inner ring. Your 40 mm inner / 80 mm outer bearing is too large for this set, which supports separators from 30–70 mm outer diameter.