The outer spherical ball bearing is actually a variant of deep groove ball bearing, characterized by its outer ring outer diameter surface is spherical, which can be fitted into the corresponding concave spherical bearing seat to play a role of self-aligning. The outer spherical bearing is mainly used to bear the combined radial and axial loads mainly in the radial load, generally not suitable to bear the axial load alone.
For high requirements and not easy to disassemble equipment can save a lot of costs, comprehensive cost performance is better