WD-40 White Lithium Grease is a great lubricant for bearings.
How to Clean Skateboard Bearings & Longboard Bearings | Tactics
Got these illpil streets used and I read that cleaning the bearing with alcohol would make them roll better but it's worse, are there any special types of lube for bearings or
Finish Line - Bicycle Lubricants and Care Products
Cleaning a Motorcycle Chain - webBikeWorld
The messy truth about spray-on chain lube | Cyclingnews