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The angular contact ball bearing is classified into the single row angular contact ball bearing ,double row angular contact ball bearing and four point contact ball bearing ,it can bear radial andaxial loads at the same time and can bear pure axial load as well with higher limit rotation speed .The capability of bearing axial load is determined by the degree of contact angle .The bigger the contact angle is the heavier the axial load can be born .The contact angles are classified to 15 -25 degree and 40degree ,when the bearing bears radial load ,additional axial force will occur .Therefore ,a relevant axial load in the opposite direction must be allpied ,The bearings should be used in general .
Spindle bearings HSS71912-E-T-P4S