Self-alignment for Bearing
The images show two deformed shapes of a shaft with a bearing fixture. A vertical remote load is applied at one side. A bearing connector is applied on a split cylindrical face of the shaft.
When the Allow self-alignment option is selected, the cylindrical face of the bearing connector rotates off its axis. When the option is cleared, the cylindrical face is restricted from off-axis rotation and moments develop at the cylindrical face.
Note: The behavior of the shaft shown below is the same for a bearing connector between the shaft and a housing. The magnitude of the stresses might be different. The bearing fixture assumes the housing to be rigid and immovable whereas the bearing connector assumes the housing to be flexible.
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Allow self-alignment is selected.
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Allow self-alignment is cleared.
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