just to clarify bro highspeed bearing is for high rpm engine, vibration is actually came from crank balace, and high compression engine too, work load in other terms it mean the more high load or pressure the more vibration , one good example since involve ako sa practical shooting, compare .45 cal and 9mm ? mas marami gun powder at mas malaki ang .45 kesa 9mm kaya mas malakas ang palag ng .45 its almost the same with our engine, nababawasan ang palag ng 45. kung babawasan namin ang pulbura, in connection sa piston compression bawasan ang compression ratio, same thing bawas ang power, ganun din ang bala kung babawasan ng gun powder he he he....just my simple explaination hope it help,
just add lang to all mi nag sabi sa akin ng magpalit daw sya ng highspeed bearing gumanda raw ang rpm nya ,
muntik na kong na malalag sa kinauupuan ko but i kept my mouth shut he he he