Self-aligning roller bearings and spherical roller bearings are not the same as what
the amplitude modulation of the two heart is not the same. A big, small roller of a self-aligning ball.
Self-aligning bearing for self-aligning ball bearings (ball for ball and roller bearings) (rolling cylinder)
The rolling body is not the same, the rolling body self-aligning ball bearing is the ball rolling roller is a roller,
