There are two structures of cylindrical and cone holes from Self-aligning ball bearing. The cage are made of steel plates and synthetic resin. It is characterized by a spherical surface in the outer ring, which has automatic heart adjustment, which can compensate the errors caused by different heart degrees and axis.

Self-aligning ball bearing is applied to the withdrawal load and impact load, precision instrument, low-noise motor, car, motorcycle, metallurgy, rolling machine, mine, petroleum, paper, cement, sugar and other industries and general machinery.