Spherical Bushings are self-aligning spherical plain bushings which have inner and outer rings with spherical sliding surfaces and can take large radial load and a bi-directional sxial load at the same time. There are many types of spherical bushings but are divided into two types Steel on steel types (GE.. ES) and Maintenance free type (GE.... EC) , They both are available with seals. Available in Bore size mm: 4 mm to 300mm Series: GE ... ES , SB.., SB...A , GE .... EC, GE ...ES 2RS (Sealed) Available in Bore size inches : 1/2 " to6" Series: SBB , SBB ... 2RS