Double Row Self Aligning Ball Bearings are a type of rolling element bearing that can accommodate both radial and axial loads. They are designed with two rows of ball bearings, with the inner ring having two raceways, allowing the bearing to self-align and compensate for shaft misalignment. These bearings typically have cages made of materials such as steel, brass, or polyamide, which retain and guide the balls, ensuring even distribution of load. Double Row Self Aligning Ball Bearings come in various design variants, which can differ in terms of internal clearance, cage material, and other specifications.