I understand perfectly. You do not. Your bearing is harder than your piston and rod. SOOOOO now the piston and rod is the bearing. The actual bearing however will wear the least. Congratulations you have turned physics inside out. Don't tamper with me .

brass has fantastic wear capability. It is up to the designer to utilize it. It self lubricates I believe. Im not a Encyclopedia!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Buuuut 2023 aluminum would surely fix your dilemma.

Don't shoot the messenger. Reread my definition till you turn blue in the face doesn't stop me from being 90 percent correct here.