Sphericalroller bearings with the same center as the bearing, the spherically fomedouter ring raceway  can make  selfalignment. Their roling elements linearlycome into contact with the raceways of inner ring and outer ring. The bearings can take  greatly radial load ,suitable for heavy machinety used in  ming, metallurgical, paper-making, andinstructing,etc.industry.

1\\\\\\\\Single-row spherical roller bearings

2\\\\\\\\Double-row spherical roller bearings