Additively manufactured journal bearing for a wind turbine gearbox

A gearbox assembly, comprising:

• a gearbox housing;
• and,
• a gear assembly configured within the gearbox housing, the gear assembly comprising:
• a plurality of planet gears each rotatably mounted to a respective pin shaft via a bearing, the bearings mounted to each of the pin shafts and secured thereto via a circumferential bond, the circumferential bond comprising at least one of an adhesion bond, a fusion bond, or a metallurgical bond;
• at least one sun gear;
• at least one ring gear, the plurality of planet gears being engaged with the ring gear and configured to rotate about the sun gear;
• and,
• at least one carrier operatively coupled with the pin shafts.