Originally Posted by
edhchoe
I took all the bearings out and degreased them with brake cleaner. The bearings are dirt and grime free and spin very freely. But when I add the high speed bearing oil made by Yeah racing, the bearings don't spin freely because of the oil. Does anyone run with dry bearings? Should I oil them? Which is faster? Oil or no oil?
I'd never consider using an unlubricated bearing. Each clean bearing needs only a drop or two of oil, and shouldn't cause the bearings to add any additional resistance.