... , 5.15-30days delivery. Self-Aligning Ball Bearingself-aligning ball bearings have two rows of balls and a common concave sphered raceway ... to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling bearings, which enables it to ... 1300, 2200, 2300 seriesl Application: agricultural machinery, chemistry, pumps, etc. ball bearing turbo of 1200series FOR A brand