Ball Bearing Fan – Built to Run 50,000+ Hours

Q: Can I get fans with PWM and tachometer (FG) signal?

Yes, our specialized 4-wire DC fans fully support precise PWM speed control and FG speed feedback signals. This allows your system to implement sophisticated closed-loop thermal management, ensuring the fan speed adjusts dynamically based on real-time temperature requirements to optimize energy efficiency and noise levels.

Q: Do you offer IP56 or IP68 fans for harsh environments?

We provide high-level environmental protection; IP56 is a standard option for most of our DC and AC fan series. For extreme conditions involving total immersion or high-pressure water jets, IP68 protection is available through our custom engineering service to ensure long-term reliability in outdoor or maritime applications.

Reliable cooling for industrial equipment, communication base stations, servers, and outdoor applications. Factory direct from LINKWELL — certified, customizable, and engineered for non‑stop performance.

Why Ball Bearing

Engineered for reliability in the toughest conditions

50,000+ Hours Lifespan

Designed for 24/7 continuous operation, backed by L10 life tests at rated ambient temperatures.

Wide Temperature Range

Operates from -20°C to +70°C (optional -40°C to +85°C for extreme environments).

Any Mounting Orientation

Unlike sleeve bearings, ball bearings perform identically in vertical, horizontal, or angled positions.

Stable Noise Over Time

Consistent acoustic performance throughout fan lifetime — no unexpected rise in dB(A).

High Vibration Resistance

Ideal for automotive, railway, and industrial machinery with constant movement.

Low Maintenance

Sealed bearing design eliminates regular lubrication, reducing service costs.

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKA08025

80×80×25

110, 220

12/11

2500/2800

16.5/18.2

LKA08038

80×80×38

110, 220

13/12

2300/2500

47.6/56.1

LKA09225

92×92×25

110, 220

12/11

2350/2700

42.2/52.7

LKA11025

110×110×25

110, 220

12/11

2000/2200

41/45

LKA12025

120×120×25

110, 220

12/11

1800/2000

45/52.8

LKA12038-5

120×120×38

110, 220

19/18

2600/2900

77/82

LKA12038-7

120×120×38

110, 220

19/18

2500/2700

80/88

LKA13538

135×135×38

110, 220

20/18

2600/2800

86/95

LKA15051-5

150×150×51

110, 220

30/28

2700/3000

150/160

LKA15051-7

150×150×51

110, 220

32/30

2500/2600

175/185

LKA17238-M

172×150×38

220

30/29

2800/3300

184/225

LKA17251-5

172×150×51

110, 220

30/28

2700/3000

150/160

LKA17251-7

172×150×51

110, 220

32/30

2500/2600

175/185

LKA17252-M

172×172×52

220

40/39

2700/3200

233/281

LKA17255

172×162×55

110, 220

37/35

2800/3100

175/190

LKA18060

180×180×60

110, 220

42/40

2700/3000

260/290

LKA20060

202×202×60

110, 220

45/42

2600/2700

320/330

LKA20572

205×205×72

110, 220

60/80

2800/3200

630/680

LKA22060

220×60

110, 220

45/42

2600/2700

320/330

LKA22060-M

220×220×60

220

61/77

2550/2780

585/649

LKA22580

225×225×80

110, 220

55/65

2600/2800

500/545

LKA25489

254×89

110, 220

50/70

2550/2450

492/433

LKA25490

254×254×90

220

86/104

2660/3000

860/1003

LKA28080

280×280×80

110, 220

110/150

2550/2700

1015/1050

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LK8025

80×80×25

12, 24, 48

0.96 – 3.00

2500 – 4000

26.67 – 44.05

LK8038-HP

80×80×38

12, 24, 48

2.88 – 21.60

4000 – 8000

46.54 – 102.23

LK9225

92×92×25

12, 24, 48

1.56 – 6.24

2500 – 4500

38.12 – 73.2

LK9238-HP

92×92×38

12, 24, 48

3.24 – 21.60

4000 – 7500

67.27 – 126.12

LK12025

120×120×25

12, 24, 48

1.80 – 7.20

2000 – 3500

60.23 – 105.4

LK12038

120×120×38

12, 24, 48

3.60 – 19.20

2500 – 4500

95.54 – 171.7

LK12038-HP

120×120×38

12, 24, 48

9.60 – 36.00

3500 – 5500

155.64 – 244.57

LK15050

150×150×50

12, 24, 48

13.20 – 42.24

3000 – 4500

220.94 – 311.41

LK17250

172×150×51

12, 24, 48

14.40 – 43.20

3000 – 4500

215.64 – 306.42

LK17250D

172×150×51

24, 48

156 – 245

6500 – 8000

490 – 605

LK20060

200×200×60

12, 24, 48

25.80 – 65.76

2500 – 3500

380.17 – 532.24

LK20572

205×205×72

12, 24, 48

57.6 – 120.0

2200 – 3300

531.3 – 798.3

LK22060

220×60

12, 24, 48

24.0 – 57.6

2000 – 3000

396.7 – 581.0

LK22580

225×225×80

12, 24, 48

57.6 – 120

2200 – 3300

533.5 – 806.0

LK25489

254×89

12, 24, 48

19.2 – 96

2000 – 3000

628.3 – 970.1

LK28080

280×280×80

12, 24, 48

57.6 – 168.0

2000 – 3000

790.1 – 1209.1

Fan

Model

Size

(mm)

Voltage

(VAC)

Power

(W)

Speed

(RPM)

Airflow

(CFM)

LKE6025

60×60×25

110~240

2, 4, 6

4000, 6000, 8000

14.1~28.7

LKE7025

70×70×25

110~240

2, 3, 4

2500, 3000, 3500

21.6~29.9

LKE8025

80×80×25

110~240

3, 4, 5

2400, 2800, 3200

26.3~35.2

LKE8038

80×80×38

110~240

3, 4, 6

2500, 3000, 3500

29.7~44.2

LKE9225

92×92×25

110~240

3, 5, 6

2000, 2500, 2800

30.1~42.1

LKE9238

92×92×38

110~240

4, 5, 7

2500, 3000, 3500

50.1~71.0

LKE12025

120×120×25

110~240

3, 4, 7

1800, 2200, 2600

55.6~79.6

LKE12038-7

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

110.7~170.6

LKE12038-5

120×120×38

110~240

6, 8, 12, 18

2500, 3000, 3500, 4000

79.3~125.0

LKE15051

150×150×51

110~240

16, 22, 35

2500, 3000, 3500

182.2~258.1

LKE17251-A

172×150×51

110~240

16, 22, 35

2500, 3000, 3500

177.4~253.9

LKE17251-B

172×51

110~240

16, 22, 35

2500, 3000, 3500

179.6~254.8

LKE20060

200×200×60

110~240

25, 45

2000, 2500

392.8~493.3

LKE20572

205×205×72

110~240

60, 95, 145

2500, 3000, 3600

602.7~851.7

LKE22060

220×60

110~240

25, 45

2000, 2500

396.6~490.8

LKE22580

225×225×80

110~240

60, 95, 145

2500, 3000, 3600

619.2~869.5

LKE25489

254×89

110/120~220/240

110, 115, 145

2000, 2500, 3200

628.3~981.6

LKE28080

280×280×80

110~240

45, 75, 145

2000, 2500, 3200

790.1~1225.7

Global logistics & on-time delivery

DHL, FedEx, UPS, sea & rail freight · Full documentation: commercial invoice, packing list, test reports, certificate of origin.

Compare Technologies

Ball Bearing vs. Sleeve Bearing

Choose the right fan for your application — performance and longevity matter.

Characteristic	Ball Bearing Fan	Sleeve Bearing Fan
Life Expectancy	50,000 – 70,000 hrs	15,000 – 30,000 hrs
Temperature Range	-40°C to +90°C	0°C to +40°C
Mounting Orientation	Any direction	Horizontal preferred
Noise over lifetime	Stable	May increase due to lubricant drying
Vibration resistance	High	Low to medium
Cost level	Higher / Premium	Budget friendly
LINKWELL recommendation	Industrial, outdoor, servers, base stations	Home appliances, office, general electronics

Product Portfolio

LINKWELL Ball Bearing Fan Series

AC Series

80–172mm, 110/220V, IP56 optional, lifespan 50k hrs
30–300 CFM

DC Series

40–120mm, 5/12/24/48V, PWM/FG, 70k hrs life
8–150 CFM

EC Series

92–150mm, energy-saving, 0-10V control, 60k hrs
40–250 CFM

Centrifugal

High static pressure, 76–133mm, up to 300 Pa
15–120 CFM

Tailor-Made Solutions

Customize your cooling, your way

We offer full OEM/ODM/OBM capabilities — from voltage to IP protection, and private labeling.

Electrical

5V–48V DC, 110V–230V AC, custom PWM/FG signals, locked rotor protection.

Mechanical

Non‑standard sizes, special mounting holes, connector & cable length customization.

Environmental

IP54, IP56, IP68, conformal coating, moisture & dust resistance, salt spray protection.

Brand & Packaging

Private label, custom logo, OBM service, retail‑ready boxes.

Performance tuning

Noise optimization, custom speed‑torque curve, airflow/static pressure adjustment.

Engineering Support

Collaborative design, rapid prototyping, 3D drawings, and validation testing.

Trusted Across Industries

LINKWELL Ball Bearing Fans: Reliability Across High-Temperature and Harsh Environments

Telecom & Base Stations

Outdoor cabinets, 5G equipment — wide temperature range & long maintenance intervals.

Industrial Automation

VFDs, servo drives, PLC cabinets — high vibration & continuous operation.

Data Centers & Servers

24/7 cooling, PWM speed control, high static pressure for dense racks.

EV Charging Stations

Outdoor DC chargers, high-temp durability, IP protection optional.

Transportation

Railway, bus, commercial vehicle electronics — anti-vibration & any‑angle mounting

Medical Equipment

MRI, ventilators, diagnostic devices — reliability, low noise, safety certified.

Technical Specifications

Dual Ball Bearing – Industrial Grade

Bearing type: NSK / NMB or equivalent
L10 life: 50,000 – 70,000 hrs @ 25°C
Insulation class: B / F (optional)
Dielectric strength: 500V AC / 1min
Bearing type: NSK / NMB or equivalent
Frame material: PBT / Aluminum
Certifications: UL, CE, RoHS, REACH, ISO9001

Quality Assurance

100% burn-in tested before shipment

Each fan runs 4–24 hours under rated voltage, followed by airflow, noise, vibration, and dielectric tests. Full traceability with unique lot number.

From our factory to your project

Production capacity & rigorous testing

High-volume manufacturing

10,000+ sqm facility · 5+ production lines · 10k–50k units/month capacity. JIT delivery & lean manufacturing ensure fast turnaround.

Fast sample lead time: 3–7 days · Bulk order: 15–25 days.

Step-by-step quality gates

Incoming material inspection (bearings, PCBs, motors)
In-process QC (soldering, impeller balance)
100% running burn-in (4–24h)
Performance & noise test
Dielectric strength & insulation resistance
Final visual & packaging check

Why choose us

Factory Direct

No middleman, better pricing & direct engineering support.

20+ Years

Two decades of cooling innovation & global exports.

Global Certifications

UL, CE, RoHS, REACH, ISO9001:2025.

Long‑Term Partnership

24/7 after-sales, lifetime tech support.

Customer success

Trusted by engineers worldwide

“LINKWELL’s ball bearing fans have been running 24/7 in our outdoor charging stations for 18 months – zero failures. Their engineering support is outstanding.”

Engineering Mgr

EV Infrastructure (Germany)

“The 50,000-hour life gave us confidence to offer extended warranty on our industrial drives. Excellent product consistency and delivery reliability.”

Procurement Lead

Industrial Automation (Italy)

FAQ of Cooling Fan Manufacturer

What is the lifespan of LINKWELL ball bearing fans?

Standard series: 50,000 hours L10 at 25°C. Premium DC series: up to 70,000 hours.

Can I get fans with PWM and tachometer (FG) signal?

Yes, our specialized 4-wire DC fans fully support precise PWM speed control and FG speed feedback signals. This allows your system to implement sophisticated closed-loop thermal management, ensuring the fan speed adjusts dynamically based on real-time temperature requirements to optimize energy efficiency and noise levels.

Do you offer IP56 or IP68 fans for harsh environments?

We provide high-level environmental protection; IP56 is a standard option for most of our DC and AC fan series. For extreme conditions involving total immersion or high-pressure water jets, IP68 protection is available through our custom engineering service to ensure long-term reliability in outdoor or maritime applications.

What is the expected lifespan of your ball bearing fans?

Our premium dual-ball bearing fans are engineered for longevity, typically achieving an L10 life expectancy of 70,000 hours at an ambient temperature of 40°C. Unlike sleeve bearings that dry out quickly, our high-quality lubrication and precision steel balls ensure stable, maintenance-free operation in 24/7 continuous industrial mission-critical systems.

Do your fans carry international safety certifications like UL or CE?

Yes, all LINKWELL cooling fans are manufactured in compliance with global safety and quality standards, including UL, TUV, CE, and RoHS certifications. This ensures that our products meet the stringent safety requirements of international markets, providing our global partners with the necessary compliance documentation for seamless integration into complex electrical machinery.

Ready to Solve Your Cooling Challenge

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