A Closer Look
The material of the Nanoflux bearing is self lubricating and even waterproof.
The GELID Wing 8/9/12 Series fans utilize the patented Nanoflux bearing design, which incorporates a magnetic design that is suppose to run friction-free and operate noiseless. It’s stated that they are exploiting electromagnetic fields to keep the steel shaft from coming in contact with the other solid surfaces, while the load is carried by a magnetic field.
Remove the fan by applying gentle pressure to the back of the impeller.