I'd have to go pull you PRW rockers, but I'm pretty sure it's two .250 wide bushings supporting all the load. That's all it takes, again, if the oil timing is correct so there is pressurized oil there.
Making it way too hard for the OP. Hell, he can put aluminum in where the bearings were and it will live forever. It ain't that hard. He isn't spinning the guts out of it, or running spring pressures like a race engine.
