GE…E/ES is equivalent to GE…DO INA and GE…E/ES SKF GE...ES-2RS is equivalent to GE…DO-2RS INA and GE…ES 2RS SKF Outer ring with single split in axial direction. Both outer and inner rings are made of carbon chromium steel, hardening and phosphate treated, sliding surface treated with MoS2. Lubricating grooves and holes in the outer and inner rings of type ES. Outer ring of type 2RS with lip seals in both sides.