Self-Aligning Ball Bearing is suitable for the Shaft be brought out a larger ... 1200, 2200, 1300, 2300,1200K, 1300K, 2200K, 2300K series. The self-aligning ball bearing has two rows of balls and a common concave sphere ... shaft deflections or misalignment are to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling bearings, which enables ...