Do ball bearing fans get quieter?
Robert Miller
Published Feb 22, 2026
Do ball bearing fans get quieter?
Sleeve bearing fans start off quieter but become louder at a faster rate due to its lubricant design. On the other hand, dual ball bearings start off slightly louder but will remain more consistent throughout its life. An axial fan consists of two main parts, the spinning impeller and its non-moving housing.
Which fan bearing is quietest?
Bearings
- Sleeve Bearings (~40,000 hours) Sleeve bearing fans will be quieter than an equivalent speed ball bearing counterpart at lower speeds, but degrade much quicker and eventually will be louder than counterparts.
- Ball Bearing (~65,000 hours) Ball bearings are known for their long life and reliability.
Are ball bearing fans loud?
In contrast to a sleeve bearing system, the ball bearing system is relatively noisy to start with compared to a sleeve bearing and tends to get noisier over time. This data supports the fact that, all else being equal, most ball bearing fans are noisier by 1 to 3 dBA over their counterpart sleeve-bearing fan.
What makes a fan quiet?
Replace Damaged Cushioning Some rotating fan units have foam cushioning in between the caps that sandwich the blades. These are specifically designed to make the fan quieter. However, when these cushions are damaged, scratched, or worn down with time, they can be the source of the noise.
What fan speed is loud?
Fan speeds greater than 60% are expected to be loud. If the fan is running at a higher speed than expected, see “Fans running at a higher than expected speed.”
Are ball bearing fans better?
Ball bearing fans are better and last longer than sleeve bearing fans. The latter is more quiet. If you have a high rpm fan, it sometimes helps to place small rubber washers between fan and mounting surface.
Which fan bearing is best?
Ball bearings are used in higher grade fans as they’re significantly more durable and can withstand higher temperatures. They cost significantly more than the sleeve bearing fans, but longer working life would justify the cost for power users. You can also mount them horizontally without compromising on its lifespan.
What is ball bearing fan?
Ball bearing fan designs use a ring of balls around the shaft to solve uneven wear and rotor wobble problems. Most fan motor designs have two bearings, one in front of the other, and these bearings are usually separated by springs.
Can I make my fan quieter?
Use the Slowest Setting Possible You should also turn off the oscillating feature if you have it on. The more moving parts your fan has the louder it will be so simply turning off the rotation function on the fan can actually make the fan quieter.
Why are my fans so loud?
A loud computer fan is usually caused by dust and dirt, so get out the compressed air cans and give your PC or laptop a quick blast of clean air to clean them as part of your regular PC maintenance routine. Loud computer fans are overworked fans, which could impact the overall performance of your PC.
Is it OK if your PC is loud?
Loud noise is generally a very bad sign and should be dealt with immediately. If the computer is in the wrong area, any noise from inside the computer can become amplified. As computers age, they acquire dust, pet hair, and lint, which can block fans from running efficiently.