A combination of an electrical machine and a hybrid cascading lubrication and cooling system (200, 400) for the electrical machine, the combination comprising: an oil sump; and the hybrid cascading lubrication and cooling system (200, 400) comprising: an oil pump coupled to an oil pump inlet tube to draw oil from the oil sump; the electrical machine further comprising an inner nested stage including an inner stage stator and an inner stage rotor, and an outer nested stage including an outer stage stator and an outer stage rotor, wherein the inner nested stage is radially nested about a central axis of the electrical machine with respect to the outer nested stage; and in that the hybrid cascading lubrication and cooling system (200, 400) comprises a cooling core having an input port in fluid communication with the oil pump and configured to distribute pumped oil within the electrical machine; and a rotor member coupled to said inner stage rotor and said outer stage rotor, rotor member configured to centrifugally pump oil from the cooling core through inner radial holes and outer radial holes in the rotor member upon rotation about the central axis of the electrical machine; a port coupled to the cooling core directing oil to a first bearing and a gear of the electrical machine, wherein the port supplies oil to a centrifugal reservoir, and the centrifugal reservoir supplies a second bearing with oil and the port supplies oil to an inner stage centrifugal reservoir of the inner nested stage, which inner stage centrifugal reservoir is integrated into the rotor member and is radially inward of the inner nested stage and includes inner radial holes, wherein the inner radial holes provide a flow path for oil from the inner stage centrifugal reservoir through the inner nested stage. an oil sump; and the hybrid cascading lubrication and cooling system (200, 400) comprising: an oil pump coupled to an oil pump inlet tube to draw oil from the oil sump; the electrical machine further comprising an inner nested stage including an inner stage stator and an inner stage rotor, and an outer nested stage including an outer stage stator and an outer stage rotor, wherein the inner nested stage is radially nested about a central axis of the electrical machine with respect to the outer nested stage; and in that the hybrid cascading lubrication and cooling system (200, 400) comprises a cooling core having an input port in fluid communication with the oil pump and configured to distribute pumped oil within the electrical machine; and a rotor member coupled to said inner stage rotor and said outer stage rotor, rotor member configured to centrifugally pump oil from the cooling core through inner radial holes and outer radial holes in the rotor member upon rotation about the central axis of the electrical machine; an oil pump coupled to an oil pump inlet tube to draw oil from the oil sump; the electrical machine further comprising an inner nested stage including an inner stage stator and an inner stage rotor, and an outer nested stage including an outer stage stator and an outer stage rotor, wherein the inner nested stage is radially nested about a central axis of the electrical machine with respect to the outer nested stage; and in that the hybrid cascading lubrication and cooling system (200, 400) comprises a cooling core having an input port in fluid communication with the oil pump and configured to distribute pumped oil within the electrical machine; and a rotor member coupled to said inner stage rotor and said outer stage rotor, rotor member configured to centrifugally pump oil from the cooling core through inner radial holes and outer radial holes in the rotor member upon rotation about the central axis of the electrical machine; a port coupled to the cooling core directing oil to a first bearing and a gear of the electrical machine, wherein the port supplies oil to a centrifugal reservoir, and the centrifugal reservoir supplies a second bearing with oil and the port supplies oil to an inner stage centrifugal reservoir of the inner nested stage, which inner stage centrifugal reservoir is integrated into the rotor member and is radially inward of the inner nested stage and includes inner radial holes, wherein the inner radial holes provide a flow path for oil from the inner stage centrifugal reservoir through the inner nested stage.