... ... E,GE ... ES,GE ... ES-2RS, About Radial Spherical Plain Bearings:Radial spherical plain bearings have an inner ring with a sphered convex outside ... must be possible at relatively slow sliding speeds.Radial Spherical Plain Bearings data:GEZ 200 ES50,880.96344,4538,162246700,93GEZ 200 ... ES-2RS76,2120,6566.67557,15650015003,1Pictures:Contact Radial Spherical Plain Bearings GEZ200