Our DC axial cooling fan is RoHS material and double ball bearing,expected lifespan is 70,000 hours.
Sleeve or ball bearing fan
We can do sleeve or double ball bearing fan,that 2 version are different in performance,service life, noise,cost and so on.
What about sleeve bearing?
Sleeve bearing,we also called it oil bearing. The main feature is the use lubricating oil as lubricant, the initial use is low operating noise, low cost. This bearing uses sliding friction and lubricating oil to reduce friction and resistance. However, with the increase of use time, the lubricating oil will gradually run out, resulting in increased friction and noise. Especially in the high-temperature environment for long-term use, the noise of oil-bearing will become more obvious. Therefore, oil-bearing is not suitable for products that need to operate silently for a long time, such as medical equipment or industrial equipment.

What about ball bearing?
Ball bearing , especially double ball bearing, using rolling friction, there are several tiny steel balls rotating around the axis. This design allows for relatively little friction and no oil leaks problem. The significant advantage of ball bearings is their long service life, up to about 60,000-100,000 hours, while having good anti-aging properties, suitable for high speed fans. Although ball bearings are more expensive and noisy at the same speed level, their stability and durability make them preferred for high-performance applications.
Fan picture


Engineer drawing

Datasheet
|
Size |
Model |
Rated Voltage (V) |
Startup Voltage (V) |
Current Amp (A) |
Speed (RPM) |
Air flow (CFM) |
Static Pressure (mmH20) |
Noise Level (dB-A) |
Weight (g) |
|
40*40*28mm
|
XYJ5B4028L |
5 |
3.5 |
0.10 |
6000 |
6.68 |
4.22 |
30.6 |
32.00 |
|
XYJ5B4028M |
5 |
3.5 |
0.25 |
9000 |
10.97 |
10.28 |
37.1 |
32.00 |
|
|
XYJ12B4028L |
12 |
6 |
0.04 |
6000 |
6.68 |
4.22 |
30.6 |
32.00 |
|
|
XYJ12B4028M |
12 |
6 |
0.12 |
9000 |
10.97 |
10.28 |
37.1 |
32.00 |
|
|
XYJ12B4028H |
12 |
6 |
0.30 |
12000 |
15.13 |
18.28 |
45.1 |
32.00 |
|
|
XYJ24B4028L |
24 |
12 |
0.03 |
6000 |
6.68 |
4.22 |
30.6 |
32.00 |
|
|
XYJ24B4028M |
24 |
12 |
0.06 |
9000 |
10.97 |
10.28 |
37.1 |
32.00 |
|
|
XYJ24B4028H |
24 |
12 |
0.16 |
12000 |
15.13 |
18.28 |
45.1 |
32.00 |
PQ Curve

Certificate
We got CE,RoHS,UL,FCC,IATF16949,ISO9001,Reach,And if you need a new certification, we can help you apply for a new certification!

Application
Our fans are mainly used to cooling the inside of the machine, the application industry is particularly wide, different sizes can be used in different machines. Such as servers, energy storage cabinets, inverters and so on.And our 4028 DC axial cooling fan exported to many countries before and win a good reputation!

OEM Service
We can do customized connectors,label,design,leading wire length,current amp,air flow,static pressure etc.(Also you can offer the connector model number you want,we can do customized too)

Packing details:
250PCS to a carton;
01
Carton size:37.5*35.5*39CM;
02
Total about 16KG;
03
Knife card carton packing.
04

After-sales service:
- Engineers help with installation and use problems remotely;
- Warranty:30,000 hours for double ball bearing fan and 10,000 hours for sleeve bearing fan;
- Sales follow up on any pre-sale or after-sale issues online.
Delivery:
1.Sample or small order delivery by Fedex,UPS or DHL;
2.Mass production can choose delivery by air or by sea;
3.Also we can ship to your forwarder,or ship by special line door to door.

FAQ:
Q: What's the difference between the sleeve and ball bearing fan?
The warranty for ball bearing fan is 30,000 hours but sleeve bearing just 10,000 hours.
Ball bearing has expected lifespan is 80,000 hours,sleeve bearing has expected lifespan is 30,000 hours.
Ball bearing fan noise level won't change for a long time term,but sleeve bearing fan noise level will grown as time goes on.
Sleeve bearing is cheaper than ball bearing fans.
What kind of function can we choose for fan?
Optional function :Auto-restart ,Speed detection,Stppage Alarm,Waterproof(IP55-IP68 optional), PWM function ,Temperature control etc.
Q: How long can your wire length be ?
Q: What's your MOQ and delivery date ?
Sample lead time:3-5 days,customized samples need more days
Mass production:15-20 days
For more information or to place an order, please contact us at [Your Contact Information].
Latest news:
Our products passed the UL certified waterproof IP68 rating test earlier this year!
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