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3. Ancillary aspects
Guiding accuracy: this is expressed in 10 – 4 D, i.e. for a 10 mm diameter shaft with a guiding accuracy of 1, the shaft's radial freedom of movement is 1 µm. Similarly, for a thrust bearing, it expresses axial play in 10 – 4 D.
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Ability to accept misalignment: due to construction principles or bending movements, some shafts may be misaligned in relation to the bearings.
While this aptitude for a spherical roller bearing or thrust bearing can be described as excellent, that of an aerostatic bearing operating with clearances of a few micrometers can be described as very poor.
Between these extremes, we distinguish between poor, average and good skills, but this classification...
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Ancillary aspects