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Bearing selection summary

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The types, types and scales of rolling bearings are various. In order to make the mechanical equipment perform its intended function, it is crucial to select the most suitable bearing.
For the selection of bearings; demand analysis of many factors; research from various viewpoints, evaluation of procedures for the selection of bearings; no special standards; but the general order is as follows:
.1) Master the operating conditions of mechanical equipment and bearings, etc. 2) Clear bearing requirements. 3) Type of selected bearings. 4) Selected bearing equipment. 5) Selected bearing dimensions. 6) Selected bearing standards .7) Equipment method for selected bearings Bearing operating conditions and environmental conditions Correctly grasping the bearing parts of the mechanical equipment and the operating conditions and environmental conditions are the conditions for selecting suitable bearings. For this, the following data are obtained. material:
.1) Function and layout of mechanical equipment. 2) Operating position of bearing. 3) Bearing load (large size, direction)
.4) Rotation speed. 5) Oscillation, impact. 6) Bearing temperature (ambient temperature, temperature rise)
.7) Ambient atmosphere (corrosive; hygienic; lubricity)
The selection of bearing equipment is general; the shaft is supported by two bearings in radial and axial directions; at this moment; the bearing on one side is called the fixed side bearing; it accepts both radial and axial loads; Effect of relative axial displacement with the bearing housing. The other side is referred to as the free side; only the radial load is accepted; the axial direction can be relatively moved; thereby dealing with the elastic portion of the shaft due to temperature changes and Equipment bearing distance error.
For fixed-side bearings; it is necessary to select bearings that can be moved in the axial direction (such as cylindrical roller bearings) or moved on the mounting surface (such as radial ball bearings). On the shorter shaft; the fixed side and the free side are not In other cases; use only one-way fixed axial displacement bearings (such as radial thrust ball bearings).

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