skateboard bearing lubrication?

can i use gear oil on my bearings for my skateboard?the oil is thick 80w 90 thanks.

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You can but I'd recommend a silicon or synthetic based lubricant just because they lubricate a lot better than standard gear oil.
sharlston (author) 7 years ago
thanks everyone,i have some old abec9s with ruber seals(3 sets) and im going to have 1 set with grease then 1 with oil and the other with bearing wax
NachoMahma7 years ago
. Judging by the wheels I've handled (admittedly not a whole lot), it's definitely not gear lube (~90 weight). More like WD-40 (~5 weight).
5 weight is more like kerosene than grease.
The "load" on a skateboard is not much of a load at all, and when I could still ride one it was basically a mode of transport. We rode all day with no ill effect.
Burf7 years ago
Use white lithium grease. You can get a tube at hardware and automotive supply stores for $5 or $6 dollars.
White lithium is clean, has the correct consistency, is safe for most plastics and is easy to use. I always keep a tube around my shop and use it to lube the bearings in my shop tools, the garage door opener, bicycle chain and most anything else that requires a light duty, moderate heat resistant gear lube.
frollard Burf7 years ago

Don't use WD-40 or oil as its too light and is pretty much only good for 'cleaning' the bearing.
lemonie Burf7 years ago
Yes, it's grease that you need.

caarntedd7 years ago
I'm going back about a million years, but when I was a kid, we used to clean our bearings in kerosene. This washed out all the crud, but left an oily film which acted as lube.
I found that even using the smallest amount of grease would provide drag on the wheels ( that is when they were spun by hand while holding the board upside down to see who's wheels would spin the longest) but no noticeable difference when actually skating.
I may have been kidding myself back then, but using kero caused no problems, and the wheels would spin for ages.

Any modern day skaters out there have a better option?
That kerosene will remove almost all traces of lubricant, hence why it seems to go forever with no load. Under load it puts a lot more strain on the metal -- as others say, stick with proper grease. It's sticky and thats a GOOD thing when under load.