Principally provided
with two rows of symmetrical spherical roller and
common raceway in outer ring two inner ring raceways
are inclined angle to bearing axis
Nice self-aligning ability and can operate shaft
deflection under load or shaft misalignment in
mounting and their permissible aligning
Heavy load carrying capacity and anti-impact ability
addition to radial loads
Can carry axial loads in two directions
Permit lower limiting speed
