Turn off the power to the room your fan.
Bearing used in ceiling fan.
You want to find 10 15 or 20 weight non detergent motor oil.
Then slowly pour 1 2 ounces of oil into the oil hole.
Before you add the oil clean off the fan and oil hole using an all purpose cleaner.
Using the wrong type can clog up the bearings and ruin the fan oftentimes requiring a full replacement.
Faulty bearing causes noise in ceiling fan.
The oil to use in lubricating a ceiling fan s bearings is very specific.
To oil a ceiling fan use a non detergent electric motor oil which is safe to use with an electric motor.
My ceiling fan would sometimes not start and making rumbling sounds bearings i did not want to replace or tear down so lifted plastic cover on top and liberally sprayed machine oil over exposed bearing through slots underneath wd 40 this has cured problem perfectly just dry bearings would probably be better to use spray grease if you have cheaper than new fan or bearings and only a few.
The non detergent specification is extremely important because the addition of a detergent element to the.