The self-aligning roller are one kind of bearing which can bear heavy load mostly.The bearing have double row spherical rollers(symmertrical and unsymmetrical) with raceway of outer ring being spherical and have self-aligning performance.

The bearing can bear radial load and bidirectional axial load an are more capable of radial load in particular.

Thins kind of bearing,suitable for supporting heavy load and impact load,are extensively used in metallurgy,rolling mill ,mining,oilindustry,paper-mill,cement industry & sugar-refinery industry and others.