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 Power

🔇33.4 dBA Noise

🌬️3.5 CFM Airflow

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Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

Breathe Easy with WINSINN! 🌬️

EASY INSTALLATION - Plug & play with a generous 300mm lead.
EFFICIENT COOLING - 6500 RPM speed ensures optimal airflow.
COMPACT LIGHTWEIGHT - Perfect for tight spaces and DIY projects.
VERSATILE APPLICATIONS - Ideal for 3D printers, PCs, and more.
LONG LASTING PERFORMANCE - Enjoy up to 35,000 hours of reliable cooling.

The WINSINN 40mm Blower Fan is a compact, high-performance cooling solution designed for 3D printers and various electronic devices. With a robust service life of 35,000 hours and a noise level of just 33.4 dBA, this fan combines efficiency and quiet operation, making it a must-have for any tech-savvy DIY enthusiast.

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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