Self-aligning ball bearings - SKFSelf-aligning ball bearings. Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are available open or sealed. The bearings are insensitive to angular misalignment of the shaft relative to the housing (figSelf Aligning Ball Bearings | Ball Bearings | Products | NSKOverview. Self-Aligning Ball Bearings. This type of ball bearing is recommended when alignment of the shaft 
What is a Self-Aligning Bearing? - Bearing TipsJan 13, 2016 - Brda notes that similar to deep groove ball bearings, most self-aligning ball are for general use. Can they interchange with standard ball bearing Self-Aligning Ball Bearing/Product Information/Koyo BearingsThis page introduces spherical ball bearings (self-aligning ball bearings). This bearing self-aligns to correct misalignment between the axis and housing centers,