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Cooling Fans > UltraFlo > R40W D8
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Dimension drawing for Nidec R40W D8 UltraFlo DICR cooling fans
R40W D8 DICRs
Dimension Drawing
Nidec UltraFlo R40W D8 40mm x 56mm dual in-line counter-rotating cooling fan

Speed-Stable
Model*
Air
Flow
(CFM)
Max.
Static
Pressure
(inwg)
Nominal
Voltage
(V)
Voltage
Range
(V)
Current
(A)
Input
Power
(W)
Sound
Pressure
(dBA)
Bearing Operating
Temperature
Min/Max
(°C)
R40W12BS4D8-07 35 3.8 12 7.0-13.8 2.10 25.2 68.0 Ball -10/+70
R40W12BS2D8-07 26 2.1 12 7.0-13.8 0.84 10.1 62.5 Ball -10/+70
* Monitor and control options, designated by the last characters of model names, are described here.
Air performance graph for Nidec R40W12BS4D8-07 UltraFlo cooling fan
Air performance graph for Nidec R40W12BS2D8-07 UltraFlo cooling fan
R40W D8 is also available as a series of free-running fans. To see descriptions of those alternative models, click here.
fans tube axial fans cooling fans 40mm fans computer fans case fans air movers dc fans 12V fans dual in-line counter-rotating fans DICRs R40W fans Nidec UltraFlo

R40W12BS2 R40W12BS2D8 R40W12BS2D8-01 R40W12BS2D8-02 R40W12BS2D8-03 R40W12BS2D8-04 R40W12BS2D8-05 R40W12BS2D8-06 R40W12BS2D8-07 R40W12BS2D8-08 R40W12BS2D8-09 R40W12BS2D8-10 R40W12BS2D8-11 R40W12BS2D8-12 R40W12BS2D8-13 R40W12BS2D8-14 R40W12BS2D8-15

R40W12BS4 R40W12BS4D8 R40W12BS4D8-01 R40W12BS4D8-02 R40W12BS4D8-03 R40W12BS4D8-04 R40W12BS4D8-05 R40W12BS4D8-06 R40W12BS4D8-07 R40W12BS4D8-08 R40W12BS4D8-09 R40W12BS4D8-10 R40W12BS4D8-11 R40W12BS4D8-12 R40W12BS4D8-13 R40W12BS4D8-14 R40W12BS4D8-15