Bearing outer race retention during high load events

A gas turbine engine, comprising:

• a fan including a plurality of blades extending radially from a hub and rotatable about a first axis of rotation defined centrally through the hub;
• a compressor disposed downstream from the fan;
• a turbine disposed downstream of the compressor;
• a rotatable input shaft mechanically coupling the compressor to rotate in unison with the turbine;
• and an engine envelope surrounding the fan, the compressor, and the turbine;
• a ball bearing having an inner race rotatable with respect to an outer race, wherein the inner race is non-rotatably coupled to the input shaft;
• and
• a retention housing that non-rotatably couples the engine envelope to the outer race of the ball bearing;
• and
• wherein the retention housing further including:
• a ball bearing housing defining a cylindrical inner surface that is disposed equidistantly from an axis of rotation that extends in an axial direction, a radial direction being defined in a direction that is normal to the axial direction,
• a spring finger housing disposed radially outwardly from the ball bearing housing and concentrically around the ball bearing housing and defining a forward end disposed axially apart from an aft end,
• a bridge web extending in the radial direction between the ball bearing housing and the spring finger housing and connecting the ball bearing housing to the spring finger housing,
• the spring finger housing defining a plurality of axially extending struts, each strut defining a forward end and an aft end disposed axially spaced apart from and opposite to the forward end of each respective strut, the plurality of struts forming a monolithic structure with the spring finger housing,
• the spring finger housing defining a plurality of axially extending fingers, each finger defining a forward end and an aft end disposed axially spaced apart from and opposite to the forward end of each respective strut, the plurality of forward ends of the fingers forming a monolithic structure with the spring finger housing, and
• wherein the aft end of each of the plurality of fingers defines an aft edge that is spaced apart from the aft end of the spring finger housing and defines an axial gap between the aft edge of the respective finger and the aft end of the spring finger housing,
• wherein the aft end of each of the plurality of fingers defines a pair of axially extending side edges that are circumferentially spaced apart from each other, wherein each axial side edge of the aft end of each finger is spaced apart from the aft end of the spring finger housing and defines a circumferential gap between the respective axial side edge and the aft end of the spring finger housing.