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.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

WINSINN 40mm Blower Fan 24V, 3D Printer Micro 24 Volt Fans Blower 4020 Hydraulic Bearing, 40mmx20mm 2PIN (Pack of 4Pcs)

WINSINN 40mm Blower Fan 24V, 3D Printer Micro 24 Volt Fans Blower 4020 Hydraulic Bearing, 40mmx20mm 2PIN (Pack of 4Pcs)

Product ID: 92871070

Details

Air Flow Capacity
3.5 cfm
Brand
WINSINN
Compatible Devices
Printer
Cooling Method
Air
Material
Plastic
Maximum Rotational Speed
6500 rpm

⚡24V high-efficiency power

🔧Hydraulic bearing with 35,000 hrs lifespan

🌬️3.5 CFM airflow for optimal cooling

HK$145

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

Secure transaction

Description

🌬️ Small Fan, Big Impact — Keep Your Gear Cool and Ahead of the Curve

COMPACT POWERHOUSE - Micro 40mm size fits tight spaces without compromise
PLUG PLAY CONVENIENCE - Standard 2-pin connector with 300mm cable for easy integration
LONG LASTING RELIABILITY - Hydraulic bearings rated for 35,000 hours of continuous use
WHISPER QUIET EFFICIENCY - Operates at just 33.4 dBA—cool your tech, not your ears
VERSATILE COOLING SOLUTION - Perfect for 3D printers, Raspberry Pi, VR gear, and compact electronics

The WINSINN 40mm Blower Fan is a high-performance, micro-sized cooling solution designed for 3D printers and compact electronics. Powered by 24V and spinning at 6500 RPM, it delivers 3.5 CFM airflow with minimal noise (33.4 dBA). Featuring durable hydraulic bearings, it promises up to 35,000 hours of reliable operation. Its lightweight design and 2-pin connector with a 300mm cable make it an easy upgrade for any tight-space cooling challenge.

Specifications

ASIN	B07L2XZKS7
Air Flow Capacity	3.5 cfm
Best Sellers Rank	#227,787 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3,633 in 3D Printer Accessories
Brand Name	WINSINN
Compatible Devices	Printer
Cooling Method	Air
Customer Reviews	4.4 4.4 out of 5 stars (422)
Item Dimensions L x W x H	0.79"L x 1.57"W x 1.57"H
Manufacturer	WINSINN Technology Ltd
Material Type	Plastic
Maximum Rotational Speed	6500 rpm
Model	GFAN402024VH
Noise Level	33.4 db
Part Number	4020 Blower Fan
Power Connector Type	2-Pin
UPC	686603769959
Voltage	24 volts

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

HK$145

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews