Used on ln service truck. 1.2498" overall width 2.7555" bore diameter duplex bearings for cryogenic service at -320 dgsf, bearing materialsmust be compatable with liquified gases:hydrogen, oxygen, nitrogen, naturalgas, propane 92c counterbored outer rings, non-separable, face to face mounting
19.00mm overall width 2.1858" bore diameter outer ring 254a single row, one-direction locating, two lip inner ring, one lip outer ring with one roller retainment ring on outer, non-separable