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Bearing Oiling Questions  Rate Topic 
 Posted: Tue Nov 27th, 2018 08:36 am
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Bruce Ceca

Joined: Sat Feb 27th, 2016
Just had some specific questions about oiling

When you drop a few drops down the shaft it looks like it only lubes around the spinning shaft itself & not getting much into the bearings, is there sufficient oil up near the actual bearings when oiled this way? Should those shielded bearings be oiled directly?

The rear bearing set on my fan looks to be lubricated by the grease that inevitably exits the oscillating chamber as the shaft spins. should I still oil that area or just let the grease sit over the shaft?

How often should I oil if used for 7 hours a day every day? Yearly? every 6months? etc.


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 Posted: Tue Nov 27th, 2018 11:17 am
2nd Post
Lane Shirey
AFCA Member

Joined: Wed Apr 30th, 2014
Location: Downingtown, Pennsylvania USA
Hi Bruce, welcome!

The answer is not that easy, it really depends on the fan. For example, most Emerson fans hold a significant amount of oil, but by contrast, Eskimo and other dime store fans hold very little and need to be oiled more regularly. 

There generally is a wick of some sort, whether accessible or not, that holds an oil reserve. Yes, many fans that have a greased oscillator box, do not have an oil cup or other means of oiling. They relied on the grease breaking down and giving up some oil to lubricate the shaft. Personally, I like to oil that bearing, especially when reassembling a newly restored fan. Just don’t oil too much or the oscillator box will begin to fill with the excess oil. 

As far as how often. Again, it depends on the fan. If it depends on wick oilers, probably running it 7 hours a day, every day, I’d oil it every couple months, or if it begins to get noisy or run slower than usual. Emersons  have a large reservoir and their advertising bragged that their fans only needed oil once a year. 

Post a pic of your fan and we can give you better suggestions. 

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