Should I lube my ABEC 3 skateboard bearings?

i took out my ABEC 3 skateboard bearings, (which i was told they are serviceable) and wiped them down with a paper towel, and i wiped down the axle of my trucks too. I'm not sure if i should put something on the bearings and axle, or just leave it. i have 2 boards and they both have ABEC 3 bearings and... show more i took out my ABEC 3 skateboard bearings, (which i was told they are serviceable) and wiped them down with a paper towel, and i wiped down the axle of my trucks too. I'm not sure if i should put something on the bearings and axle, or just leave it.

i have 2 boards and they both have ABEC 3 bearings and I'm going to get some bones reds as soon as possible but i only took off one wheel cause I spilled water on it. PLEASE HELP!!
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