An aircraft gimbal comprising: an integral universal joint trunnion comprising: an annular body portion defining a central driveshaft or mast opening; and a plurality of drive pin portions extending from the annular body portion; a pair of pillow blocks (230, 235) configured to be secured to a proprotor yoke, each pillow block (230, 235) defining a trunnion pin receptive bore (405, 410); a drive coupling defining: a splined central driveshaft or mast coupling bore configured to mate with a rotor driveshaft or mast end; and opposing trunnion pin receptive bores; and a plurality of integral flanged wear sleeves, one integral flanged wear sleeve disposed in each of the pillow block trunnion pin receptive bores (405, 410) and each of the drive coupling trunnion pin receptive bores, over a respective trunnion drive pin, rotatably retaining the respective trunnion drive pin with respect to the respective pillow block trunnion pin receptive bore (405, 410) or drive coupling trunnion pin receptive bore, each integral flanged wear sleeve comprising: a right circular hollow cylindrical body portion interiorly sized to be retained on one of the trunnion drive pin portions of the trunnion and externally sized to be rotatably retained in one of the pillow block trunnion pin receptive bores (405, 410) and/or one of the drive coupling trunnion pin receptive bores; a flange portion radiating from an outer end of the cylindrical body portion, the flange portion having a diameter larger than a diameter of the pillow block trunnion pin receptive bores (405, 410) and the drive coupling trunnion pin receptive bores, bearing on a face of a respective pillow block (230, 235) or a respective face of the drive coupling; and a low friction coating or lining disposed on at least an outer surface of the body portion. an integral universal joint trunnion comprising: an annular body portion defining a central driveshaft or mast opening; and a plurality of drive pin portions extending from the annular body portion; an annular body portion defining a central driveshaft or mast opening; and a plurality of drive pin portions extending from the annular body portion; a pair of pillow blocks (230, 235) configured to be secured to a proprotor yoke, each pillow block (230, 235) defining a trunnion pin receptive bore (405, 410); a drive coupling defining: a splined central driveshaft or mast coupling bore configured to mate with a rotor driveshaft or mast end; and opposing trunnion pin receptive bores; and a splined central driveshaft or mast coupling bore configured to mate with a rotor driveshaft or mast end; and opposing trunnion pin receptive bores; and a plurality of integral flanged wear sleeves, one integral flanged wear sleeve disposed in each of the pillow block trunnion pin receptive bores (405, 410) and each of the drive coupling trunnion pin receptive bores, over a respective trunnion drive pin, rotatably retaining the respective trunnion drive pin with respect to the respective pillow block trunnion pin receptive bore (405, 410) or drive coupling trunnion pin receptive bore, each integral flanged wear sleeve comprising: a right circular hollow cylindrical body portion interiorly sized to be retained on one of the trunnion drive pin portions of the trunnion and externally sized to be rotatably retained in one of the pillow block trunnion pin receptive bores (405, 410) and/or one of the drive coupling trunnion pin receptive bores; a flange portion radiating from an outer end of the cylindrical body portion, the flange portion having a diameter larger than a diameter of the pillow block trunnion pin receptive bores (405, 410) and the drive coupling trunnion pin receptive bores, bearing on a face of a respective pillow block (230, 235) or a respective face of the drive coupling; and a low friction coating or lining disposed on at least an outer surface of the body portion. a right circular hollow cylindrical body portion interiorly sized to be retained on one of the trunnion drive pin portions of the trunnion and externally sized to be rotatably retained in one of the pillow block trunnion pin receptive bores (405, 410) and/or one of the drive coupling trunnion pin receptive bores; a flange portion radiating from an outer end of the cylindrical body portion, the flange portion having a diameter larger than a diameter of the pillow block trunnion pin receptive bores (405, 410) and the drive coupling trunnion pin receptive bores, bearing on a face of a respective pillow block (230, 235) or a respective face of the drive coupling; and a low friction coating or lining disposed on at least an outer surface of the body portion.