Okay, I'll bite. What are hydraulic bearings?

This is a quote. Hydraulic bearing has larger oil storage space than sleeve bearing, and has a unique oil supply circuit of loop type. As its bottom is sealed completely, the lifetime is longer than that of sleeve bearing. It is suitable for high, medium, and low-speed fans. The average life of hydraulic bearings is 40000-50000 hours.

What is the hole pattern (and other dimensions) for these fans?

(3) 3.85 mm Diameter mounting holes. 35 mm apart. 12.85 mm is the length of the screw holes. Exit hole is 16.55 x 24.80 mm

What is the connector type?

JST Male 2.0 mm spacing between wires. Must be 2.0 there are a few more spacings.

I ordered jst 2.0 female connectors for these fans and they are too small. anyone have a link to the correct size female connector?

You need 2pin JST XH2.54 MALE type connector.

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40mm Blower Fan 24V, 3D Printer Micro 24V Fan Blower 4020 Hydraulic Bearing, Brushless Cooling 40mm x 20mm 2PIN (Pack of 4)

Product ID: 323938700

Details

Brand
WINSINN
Cooling method
Air
Power connector type
2-Pin
Product dimensions
40L x 40W x
Voltage
24 Volts

⚡24V high-efficiency power

🔇Ultra-quiet 33.4 dBA noise level

🌬️3.5 CFM airflow for tight cooling

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Description

🌬️ Stay cool, stay ahead — power your projects with precision airflow!

PRECISION COOLING - 6500 RPM speed delivers optimal airflow and 8.34mmH₂O air pressure for your 3D printer or electronics
COMPACT POWERHOUSE - Micro 40x40x20mm size fits the tightest spots with ease
PLUG PLAY CONVENIENCE - 300mm lead with 2-pin connector for hassle-free installation
VERSATILE COMPATIBILITY - Perfect for 3D printer extruders, PC cases, routers, VR gear, and all your DIY cooling needs
LONG LASTING RELIABILITY - Hydraulic bearing ensures 35,000 hours of smooth, maintenance-free operation

The WINSINN 40mm Blower Fan is a compact, brushless cooling solution designed for 24V systems, delivering 3.5 CFM airflow at 6500 RPM with ultra-quiet 33.4 dBA noise. Featuring durable hydraulic bearings, it guarantees up to 35,000 hours of reliable operation, making it ideal for 3D printer extruders, small electronics, and DIY cooling projects.

Specifications

ASIN	B07L2XZKS7
Air Flow Capacity	3.5 Cubic Feet Per Minute
Best Sellers Rank	#59,961 in Kitchen ( See Top 100 in Kitchen ) #47 in Blower Fans
Brand Name	WINSINN
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.4 4.4 out of 5 stars (449)
Item Dimensions L x W x H	40L x 40W x 20H millimeters
Manufacturer	WINSINN Technology Ltd
Material Type	Plastic
Maximum Rotational Speed	6500 rps
Model	GFAN402024VH
Noise Level	33.4 Decibels
Part Number	4020 Blower Fan
Power Connector Type	2-Pin
UPC	686603769959
Voltage	24 Volts

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26896CFA

Duties & taxes included

In stock

Sold byAmazon Cote D' IvoireDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cote D' Ivoire.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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