Bearing and method of making and using the same

A method comprising:

• providing a product comprising a rotor comprising a shaft having a rotation axis, a bearing comprising a rolling element bearing, the bearing at least partially surrounding the shaft allowing for rotation of the shaft within the bearing about the rotation axis, and a bearing housing comprising at least one housing bore defined by an inner surface of a top side of the bearing housing and at least one fluid outlet passage in operative communication with the at least one housing bore constructed and arranged to flow fluid upward from the bearing to the at least one housing bore;
• flowing fluid through the at least one fluid outlet passage upward from the bearing to the top side of the bearing housing while the shaft is in rotation;
• and
• wherein the product is a turbocharger and wherein the shaft comprises a compressor end comprising a compressor wheel, and a turbine end comprising a turbine wheel.

A turbocharger comprising:

• a rotor comprising a shaft having an axis of rotation;
• a turbine wheel attached to a first end of the shaft and a compressor wheel attached to a second end of the shaft;
• a bearing at least partially surrounding the shaft constructed and arranged to allow for rotation of the shaft within the bearing about the axis of rotation;
• a bearing housing surrounding at least a portion of the bearing, wherein the bearing housing comprises a compressor side and a turbine side;
• a fluid delivery system comprising a fluid inlet, a longitudinal passageway, at least one fluid inlet passage in operative communication with the longitudinal passageway constructed and arranged to deliver fluid to at least one of the bearing or the shaft, at least one bore defined by an inner surface of the bearing housing which extends through a top portion of the bearing housing, at least one fluid outlet passage in operative communication with the at least one bore;
• and
• wherein the at least one bore is constructed and arranged to accept fluid from the at least one fluid outlet passage and wherein the at least one fluid outlet passage is constructed and arranged to flow fluid upward from the bearing to the top portion of the bearing housing.