120x38 AC Cooling Fan (Mains Fan), AC axial fan

A 120 mm square AC cooling fan, 38.5 mm thick, with 4.3 mm mounting holes 104.8 mm apart. It comes as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 120x38 fan
• Model id: fans-ac-axial-120x38
• Standard: AC axial fan · size 120x38

Files

Part key	Simplified
fans-ac-axial-120x38	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
a	Frame side		120		120	nominal	L1
t	Frame thickness		38.5		38.5	nominal	L1
e	Mounting hole spacing		104.8		104.8	nominal	L1
dh	Mounting hole diameter		4.3		4.3	nominal	L1
k	Corner flange thickness		4		4	nominal	L0 (nom: one source)
dv	Venturi bore (maker values)		114		114	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-ACFAN-SZ-120x38.pdf.

The 120x38 AC cooling fan beside the 92x38 and the 172x150x51

The 120x38 is number 3 of the 4 AC axial fan AC cooling fans published here, listed from 80x38 to 172x150x51.

• Frame side (a): 120 mm on the 120x38 AC cooling fan, against 92 mm on the 92x38 and 171.5 mm on the 172x150x51.
• Frame thickness (t): 38.5 mm on the 120x38 AC cooling fan, against 38 mm on the 92x38 and 51 mm on the 172x150x51.
• Mounting hole spacing (e): 104.8 mm on the 120x38 AC cooling fan, against 82.5 mm on the 92x38 and 162 mm on the 172x150x51.
• Mounting hole diameter (dh): 4.3 mm on the 120x38 AC cooling fan, against 4.2 mm on the 92x38 and 4.5 mm on the 172x150x51.

Other sizes

• One size smaller: 92x38 AC Cooling Fan (Mains Fan), AC axial fan, 92 mm square, 38 mm thick.
• One size larger: 172x150x51 AC Cooling Fan (Mains Fan), AC axial fan, 171.5 mm square, 51 mm thick.

Documents

• CC-ACFAN-DS-120x38.pdf: 120x38 datasheet: values with levels, sources
• CC-ACFAN-SZ-120x38.pdf: 120x38 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

mechatronics-ac-axial, orion-ac-axial, sunon-ac-fan-2011. Full citations: the method page and this size's datasheet.

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