Is all the noise coming from the bearings?

After the new bearing is installed, the situation of ringing, I believe that everyone must have encountered. At this time we think of must be returned, but the bearing ring must be the quality of the product? Is all the noise coming from the bearings? Today, I will share some methods with you, hoping to help you.

The noise that can be emitted in the equipment is not only from the bearing, but when the vibration frequency of any parts inside the equipment reaches the audible range, the noise can be emitted. As the equipment noise is easier to perceive the original, the bearing is often manifested as one of the important sources of auditory noise, but it does not mean that the equipment noise comes from the bearing. Even some sounds like noise from near the bearing, and it is not seen that the bearing is emitted. The determination of the noise source can be carried out using the corresponding test method, and cannot be carried out by blind feeling.