CPU Fan?

Have a pentium …(1.4 ) and 400 bus speed.
has std heatsink and 60mm fan fan is a DC fan
D60BH-12B Yate Loon..RU TUVCE 12v 1.9A
anyway they the fans don’t last long at all bought a 60-80mm fan adapter and need to know the min size80mm fan to install..output and RPM…any ideas want to be sure I use right size