A turbofan engine comprising: an engine case ; a gaspath through the engine case; a fan having a circumferential array of fan blades ; a fan case encircling the fan blades radially outboard of the engine case ; a plurality of fan case vanes extending outward from the engine case to the fan case ; a front frame assembly comprising a plurality of vanes extending radially across the gas path; a shaft ; a transmission coupling the shaft to a fan shaft to drive the fan ; a bearing assembly (602; 702; 802) coupling the shaft to the front frame assembly ; and a bearing support extending aftward and radially inward from the front frame assembly to the bearing assembly ; characterised in that : the bearing assembly is a duplex bearing, which comprises a forward bearing and an aft bearing ; wherein the forward bearing has a center spaced apart from a center of the aft bearing by a bearing distance (L20); and the forward bearing has an inboard race longitudinally cantilevered by a cantilever distance (L22) at least about 20% of said bearing distance; and/or the forward bearing has an outboard race longitudinally cantilevered by a cantilever distance at least about 20% of said bearing distance (L20);and/or an inboard support at a center of the bearing distance (L20) is longitudinally cantilevered by a cantilever distance at least about 10% of said bearing distance (L20) an engine case ; a gaspath through the engine case; a fan having a circumferential array of fan blades ; a fan case encircling the fan blades radially outboard of the engine case ; a plurality of fan case vanes extending outward from the engine case to the fan case ; a front frame assembly comprising a plurality of vanes extending radially across the gas path; a shaft ; a transmission coupling the shaft to a fan shaft to drive the fan ; a bearing assembly (602; 702; 802) coupling the shaft to the front frame assembly ; and a bearing support extending aftward and radially inward from the front frame assembly to the bearing assembly ; characterised in that : the bearing assembly is a duplex bearing, which comprises a forward bearing and an aft bearing ; wherein the forward bearing has a center spaced apart from a center of the aft bearing by a bearing distance (L20); and the forward bearing has an inboard race longitudinally cantilevered by a cantilever distance (L22) at least about 20% of said bearing distance; and/or the forward bearing has an outboard race longitudinally cantilevered by a cantilever distance at least about 20% of said bearing distance (L20);and/or an inboard support at a center of the bearing distance (L20) is longitudinally cantilevered by a cantilever distance at least about 10% of said bearing distance (L20) the bearing assembly is a duplex bearing, which comprises a forward bearing and an aft bearing ; wherein the forward bearing has a center spaced apart from a center of the aft bearing by a bearing distance (L20); and the forward bearing has an inboard race longitudinally cantilevered by a cantilever distance (L22) at least about 20% of said bearing distance; and/or the forward bearing has an outboard race longitudinally cantilevered by a cantilever distance at least about 20% of said bearing distance (L20);and/or an inboard support at a center of the bearing distance (L20) is longitudinally cantilevered by a cantilever distance at least about 10% of said bearing distance (L20) <EOS>