18.0000" overall width 55.0mm bore diameter outer ring flanged, 5.0100 in od, 0.125 in w 252a single row, non-locating, two lip inner ring, cylindrical outer ring, separable
0.8075" overall width 0.7872" bore diameter cartridge type bearing w/o grease plug also heat stabilized to 450.0 deg f also 30.0 to 50.0 pct full of specified lubricant non-loading groove, non-separable