A single bearing fan may have a bushing or just a cantilevered shaft.
Ceiling fan double ball bearing.
This video will show you how to change ceiling fan bearings.
The double bearing fan will have a bearing supporting the motor and fan shaft in two locations rather than one.
If the ball bearings are to blame you may need to lubricate them to reduce the friction and quiet the noise which is often described as a rubbing or humming sound.
Listed manufacturers suppliers dealers exporters are offering best deals for double ball bearing fans.
Ours is an iso 9001 2008 and ce certified company the sonya ceiling fan are fitted with double ball bearing and the winding is made of copper which ensures greater life and performance the blades are made of aluminium.
Ceiling fans usually run smoothly and quietly but sometimes you may notice a ceiling fan noise that ruins the peaceful surroundings.
Find details of companies offering double ball bearing fans at best price.
A double bearing fan will have a longer life than a single bearing fan.