Used on b-52 aircraft. 0.2802" overall width 0.3748" bore diameter bearing, ball centrifuged to remove excess oil or filled with one or two drops as required so as not to have an excess of oil non-loading groove, non-separable
Used on c-5 aircraft. 12.0mm overall width 50.0mm bore diameter proprietary special grease, bearing is same as nsn:3110-01-144-8143 other than the grease non-loading groove, non-separable
Used on r11 refueler. 0.5010" bore diameter pa series type 1 flanged radial bearings split outer ring with flanged band, solid inner ring extended on flange side, non-separable