Pillow block bearings

Pillow block bearings is actually a variant of the deep groove ball bearing, which is characterized in that the outer diameter surface of the outer ring is spherical, which can be fitted into the corresponding concave spherical surface of the bearing seat to play a self-aligning role. Although its basic performance should be similar to that of deep groove ball bearings, but most of these bearings are used in relatively rough machinery, the installation and positioning are not accurate enough, the alignment of the shaft and the seat hole axis is poor, or the shaft length and deflection In the case of decent, and the accuracy of the bearing itself is not high enough, some structures are also relatively rough, so the actual performance of the deep groove ball bearings with the same specifications should be discounted.