A variety of styles to choose from: 40/50/60/70/80/90/120mm. ♥ Ball bearing. The model is generally represented by B. It adopts the form of rolling friction and adopts double ball bearings. There are several tiny steel balls in the bearing that rotate around the axis, so the friction force is small and there is no oil leakage.
This product would be ideal for computer enthusiasts and professionals requiring high-performance, quiet, and versatile desktop cooling fans.
