XIN RUI FENG 5V Oil Bearing 6cm Quiet DC Cooling Fan (XIN RUI FENG)

1. Copper core motor, strong wind, fast heat dissipation, safe and durable
2. Low noise, long life, low energy consumption, large air volume, stable operation, fast start
3. High-strength and high-toughness fan blade, one-time injection molding, long service life, not easy to deform and break; not only has strong wind power but also effectively reduces noise
4. The outer frame is made of high-quality PVC plastic, which can withstand high temperature and withstand physical impact to a certain extent, effectively protecting the motor and fan blades
5. The use of pure copper coils can effectively reduce the operating temperature and current of the fan, high temperature resistance, greatly improve its operating stability and low energy consumption
6. Blade material: PVC plastic
7. Applicable temperature: -10 to 60 degrees Celsius
8. Use scenarios: industrial equipment, household appliances, medical equipment, etc.
9. Motor power: 1.92/3.12W
10. Air volume: 20.3/25.4cfm
11. Bearing: double ball/oil
12. Lifespan: 60000 hours
13. Current: 0.16/0.13A
14. Voltage: 5/12/24V
15. Speed: 5000/400RPM
16. Dimensions: 60 x 60 x 25MM

Difference:
- Ball bearing: the model is generally indicated by B; there are several tiny steel balls in the bearing that rotate around the axis in the form of rolling friction, so the friction force is small and there is no oil leakage. Features: long life, suitable for high speed fans
- Oil-impregnated bearing: the model is generally indicated by S; it adopts a sliding friction sleeve, and the shaft of the fan blade uses lubricating oil in the sleeve as a lubricant and a drag reducer. Features: Resistance to external impact, low noise