Big end and Main bearings Help!!!!!!!

Hi Guys
I am rebuilding an engine and am having trouble with the main and big end bearings, i have the numbers printed on them but can find no reference to there size on the internet or in the parts catalogue

Can anybody help me

Mains are "ROVER 516815" on one end with "4747" on the oposite end.

Big ends are "ROVER 534490"on one end with "A4746" on the oposite end.

thanks in advance

every main or big end i have replaced has the size stamped on them. if they are oversize they will say so.eg .10 or .20 etc
I even was given to fit some cheap far east crap ones that i couldnt even pronounce and they said .10 on them!