How to choose an impeller for a pump

The impeller, the impeller of a centrifugal self-priming or vortex pump differ in overall dimensions, the shape of the seat (under a key, cone, thread) for mounting on the rotor shaft

d1 - outer diameter
d2 - outer diameter of the suction pipe
d3 - internal diameter of the mounting hole
h1 - total height
h2 - depth of the central bushing
h3 - total height of blade discs
h4 - between blade discs
h5 - the height of the mounting protrusion (bushing), if any

If you need help in choosing, please provide the parameters shown in these images to the contacts