The Roller Bearing Can Bear Heavy Load. It Has Two Rows Of Rollers. The Outer Ring Has A Common Spherical Raceway. The Inner Ring Has Two Raceways Whose Relative Bearing Axis Is Inclined To A Certain Angle. The Bearing Can Be Self-Aligning. Bearings Can Still Be Used Normally When The Axle Is Bent Under Force Or Installed In Different Centers. The Bearing Can Withstand Both Radial And Biaxial Loads, As Well As Biaxial Axle Loads, And Has Good Resistance. Generally Speaking, The Allowable Working Speed Of Self-Aligning Roller Bearings Is Lower. url:http://www.hnzkmachinery.com