:NMB-MATModel: 2406KL-05W-B39Bearing: Double Ball (2 Ball Bearing with Special Designed IC Inside)size:60* 60 * 15mm (side length 6cm, thickness 1.5cm)Mean time between failures (MTTF): 180000 hoursRated voltage: 24VOperating voltage range: 10-13.8VCurrent: 0.08ARotating speed:4100RPMAir volume: 18.3CFMNet weight: 45 gramsNoise: 29DB:NMB-MAT