Used on ch-47d,cargo,hel. 0.6109" overall width 2.9525" bore diameter 264a single row, two lip outer ring, no inner ring, roller retainment rings, non-separable
Used on engine model t56. 1.1094" overall width 2.9512" bore diameter 252a single row, non-locating, two lip inner ring, cylindrical outer ring, separable
0.4674" overall width 0.9841" bore diameter silver retainer surface treated 254a single row, one-direction locating, two lip inner ring, one lip outer ring with one roller retainment ring on outer, non-separable
Used on 2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system). 1.4173" overall width 4.1339" bore diameter 252e single row, one-direction locating, two lip inner ring, one lip outer ring, separable