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Delefun 4028 12V DC fan product image: 40x40x28mm square cooling fan with black frame, visible fan blades through grille, mounting holes, motor housing, and specification label. Available in 6400 RPM sleeve bearing and 8800 RPM ball bearing configurations. Professional industrial design for electronic cooling applications.

Delefun 4028 40x40x28mm DC cooling fan: Black square frame with rounded edges, circular grille pattern, central hub with fan blades, corner mounting points, and power rating label showing 12V 0.22A specifications. Features dual speed options: 6400 RPM sleeve bearing or 8800 RPM ball bearing.

40mm Dual Ball Bearing DC Fan 40x40x28mm High Airflow

SKU: DLF 4028ADC

In stock

Motor: DC brushless external rotor motor
Frame Material: PBT
Impeller: PBT
Bearing System: 2 Ball & long-life sleeve bearing
Insulation Class: Class A
Operating Temperature: -10°C to 70°C
Dimensions: 40×40×28 (Tolerance: ±0.5/±0.3)
Mounting Hole Center Distance: 32 (Tolerance: ±0.3)
Weight: 37g
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detailed data

Original price was: $222.00.Current price is: $111.00.

In stock

Estimated Delivery: Feb 12 - Feb 25

Category: DC Fan

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40mm Dual Ball Bearing DC Fan for Server Cooling

40mm Dual Ball Bearing DC Fan for Server Cooling. 40x40x28mm PBT frame, 2-ball bearing, Class A insulation for stable industrial cooling.

This high-performance 40x40x28mm cooling fan is engineered with a DC brushless external rotor motor and durable PBT material for both frame and impeller. Featuring a sophisticated 2-ball and long-life sleeve bearing system, it ensures reliable operation under extreme temperatures ranging from -10°C to 70°C. With a mounting hole center distance of 32mm and a lightweight 37g design, this Class A insulation fan is perfect for high-density server environments, industrial control units, and compact PC cases. Its high static pressure and stable airflow make it the ultimate choice for critical cooling needs. This 40mm fan provides superior heat dissipation while maintaining a compact footprint, ensuring your hardware stays cool even under heavy workloads.

Weight	37 lbs
Dimensions	40 × 40 × 28 mm
Motor	DC brushless external rotor motor
Frame	PBT
Impeller	PBT
Bearing System	2 Ball & long-life sleeve bearing
Insulation Class	Class A
Operating Temperature	-10°C to 70°C
Dimensions	40×40×28 (Tolerance: ±0.5/±0.3)
Mounting Hole Center Distance	32 (Tolerance: ±0.3)
Weight	37g