Cleaning bits and bearings - Router Forums
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post #1 of 26 (permalink) Old 06-11-2015, 02:23 PM Thread Starter
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Default Cleaning bits and bearings

I have a flush trim bit i used to trim some Formica (laminate) the bit and the bearing were clogged with the glue so i removed the bearing and put the whole lot in thinners, bearing aswell. It cleaned up great and i put a couple of drops of oil on the bearing (like i do with the bearings out of my fishing reels) but i was wondering if the bearing should be greased rather than oiled.
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post #2 of 26 (permalink) Old 06-11-2015, 02:51 PM
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Good question. How would you grease them, they're sealed?
The bearings shouldn't be soaked; just wiped down with an effective bit cleaner. Soaking means the solvent (whatever it is) gets into the bearing but can't get back out.
I'm no bearing expert, but I don't think they're designed to still operate properly at 20K rpm with solvent in them(?)...
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post #3 of 26 (permalink) Old 06-11-2015, 03:05 PM
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I wouldn't soak the bearings either. I would wipe them off with lacquer thinner or contact cement cleaner. This stuff will lube a bearing. I've had them start squealing then sprayed them with this and they quit squealing for quite a while. If fact I can't remember the last time I had to change a bearing. Bearing Lubricant - Lee Valley Tools
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post #4 of 26 (permalink) Old 06-11-2015, 03:10 PM
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How's it on TS lift and tilt mechanisms, Charles? It sounds like it's a non-sticky lube(?)...
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post #5 of 26 (permalink) Old 06-11-2015, 03:52 PM
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I use Trend Tool & Bit cleaner on my bits and blades. It is inexpensive and great at removing rust too with a little Scotch Brite polishing. Check out the before after shots of these bits. After cleaning them I sprayed them with WD-40 and wiped off the excess. Let them dry in the sun for about 5 minutes before putting them away. Total time spent was about 20 minutes.

Bearings in solvent is not a great idea.
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post #6 of 26 (permalink) Old 06-11-2015, 05:45 PM Thread Starter
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thanks for the advice i have other bits with the same size bearings so looks like i can still use the bit , no more thinners in the bearings for me
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post #7 of 26 (permalink) Old 06-11-2015, 09:36 PM
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Kenny; if you start having a problem, just replace the bearing(s). They're pretty inexpensive.
Hopefully your bits are the type that the bearings can be remove from?
These are some http://www.carbideprocessors.com/whi...es/bearings/US prices (not necessarily the least expensive either)...

Just click on the part # over on the right for the price.
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post #8 of 26 (permalink) Old 06-11-2015, 11:49 PM
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Quote:
Originally Posted by DaninVan View Post
How's it on TS lift and tilt mechanisms, Charles? It sounds like it's a non-sticky lube(?)...
It would probably work well for that Dan. It dries non sticky or greasy.

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post #9 of 26 (permalink) Old 06-12-2015, 01:45 AM
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Quote:
Originally Posted by DaninVan View Post
How's it on TS lift and tilt mechanisms, Charles? It sounds like it's a non-sticky lube(?)...
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post #10 of 26 (permalink) Old 06-12-2015, 11:20 PM
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Bearings are greased for life if they are a totally sealed unit. Some are just shielded and the grease will weep out. The most common bearing failure is caused by packing to much grease in a bearing which will not allow it to disapate the heat. Washing a bearing out with solvent will not hurt the bearing but will destroy the seals. Greas not oil unless you can run them in an oil bath!
Spent 42 years in bearing and power transmission.
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