When the load condition is C/P＜16*, i.e. the dynamic equivalent load P exceeds approximately 6* % of basic dynamic load rating C, or when a combined load in which the axial load is greater than 25 % of radial load is applied, the limiting speed should be corrected by using equation (8-1) :
* 13 (8 %) for K type bearings and railway rolling stock axle journals
Fig. 8-1a Values of correction coefficient ƒ1 of load magnitude (Excludes K type bearings and railway rolling stock axle journals)
Fig. 8-1b Values of correction coefficient ƒ1 of load magnitude (K type bearings and railway rolling stock axle journals)
Fig. 8-2 Values of correction coefficient ƒ2 of combined load
