8025 12V DC Cooling Fan This is a High-Quality 8025 cooling fan, which consists of a 4-pole Brushless DC Motor with a precise vapor bearing system, this cooling fan can deliver an airflow up to 8.0 CFM, which is sufficient enough to keep the electronics cool. This creates a vibrating and shaking of the rotating rotor is prevented. Since there is no contact between the bearing and shaft, the bearing touches the result is just the surrounding air. The result is the creation of a cooling fan with exceptional features such as a uniform rotation, low noise, and special durability to meet any requirement. Features: Good airflow Noiseless Performance Easy to install and connect. Also check 12V CPU cooling fan sold by Iotcart.  The fan is 80 x 80mm and has a ball bearing. It can be used in CPUs, incubators, and 3D printers.