X fan 120 x 120 x 25mm dc axial fans 12v24v sleeve bearing x fan rdh1225s2 rdh1225s2 is a high quality sleeve bearing 24v dc axial fan from x fan which has been manufactured to a high standard this brushless cooling fan has passed through stringent quality control testing and has the following safety approvals x fan rdh1225s2 120 x 120 x 25mm axial fan 24v sleeve bearing