4-ball bearings that i modded myselfhere's the link:
well i dont know if its a good idea but they look fast :)
Basically, you've just reduced the load that the bearing can carry by about 50% and subjected each individual ball to almost double the force it originally carried. Yes, the reduction in the number of balls will cause the bearings to spin faster without a load, but since there are fewer balls and they are not evenly distributed, the outer races could distort and cause the bearing to become out of round. Basically you will have to replace the bearings more often, negating savings that the reds will give over better performing bearings.
