Outside Dia: 110mm.Reference Speed: 12000-rpm.Clearance: Standard.Width: 27mm. 1310 EKTN9 SKF Self Aligning BearingSelf aligning bearings has two rows of balls and a common concave sphered raceway within the outer ring. This implies that the bearings are self-aligning and are due to this fact insensitive to angular misalignments.It is neatly applicable to utilitys the place really extensive shaft deflections or misalignment are predicted. In addition, the self-aligning ball bearing has the lowest friction of all rolling bearings which enables it to run cooler even at excessive paces..