... capacity reduction. (7) GE...The HS type inner circle have lubrication oil, abrasion, double half outside after ... GE...DE1 type inner circle for hardened bearing steel, steel for bearing outer ring., assembling, extrusion circle has lubricating oil and oil ... ) GE...DEM1 type inner circle for hardened bearing steel, steel for bearing outer ring., assembling, extrusion circle, after the bearing load ...