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Bearing rigidity is what meaning, please?
by:Waxing
2020-11-12
Rigid bearing refers to the size of bearing force needed to generate unit deformation.
The elastic deformation of rolling bearings is small, can not be in the most mechanical thinking, but in some machinery, such as spindle, bearing rigidity is an important factor, general should choose cylindrical and conical roller bearing.
Because these two kinds of bearings under load, the rolling element and raceway for line contact, elastic deformation small, rigid good.
All kinds of bearing can also through the preloaded, reach the purpose of increasing bearing rigidity.
Such as angular contact ball bearings and tapered roller bearings, to avoid the vibration of the shaft, increase the bearing stiffness, often impose certain axial force in advance when the device, make its pressure to each other.
Prestressing quantity, of course, not too big, too will make bearing friction increases, higher temperature rise, affect the use of the bearing life.
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