Technical Question

i just got a question if anyone knows it but, does anyone know the dimentions of a pokeball? like whats its diameter and how wide is the black middle part it whould be most appreciated if someone could answer this, even if its a guess

not too long ago i saw in a site that they have the same dimensions as a tennis ball

hope this works

hmmm i guess that works i guess ill go out and measure a tennis ball

THANKS! :)