... INA, NSK, NTN, UBC, NACHI, HRB, KOYO, etc Self-aligning ball bearingThe self-aligning ball bearing was invented by SKF. It has ... sphered raceway in the outer ring. The bearing is consequently self-aligning and insensitive to angular misalignments of the shaft relative ... deflections or misalignment are to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling ...