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Radial stiffness

Radial stiffness depends on the elastic deformation (deflection) of the bearing under load and can be expressed as a ratio of load to deflection. However, since the relationship between deflection and load is not linear, only guideline values can be provided (→ product tables: single row bearings and double row bearings). These values apply to moderately preloaded, mounted bearings under static conditions, subjected to moderate loads.
More accurate values for radial stiffness can be calculated using advanced computer programs. For additional information, contact the SKF application engineering service and refer to Bearing stiffness.
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