This item was USG surplus. No sign with use. All items in the orginal package.

The details are below from the government data.


  Technical Characteristics ( ILs )     3110-00-158-7771  
MRCRequirementReply
 ABMK OVERALL WIDTH 42.0 MILLIMETERS NOMINAL
 ABXV BORE DIAMETER 170.0 MILLIMETERS NOMINAL
 ADGA OVERALL OUTSIDE DIAMETER 260.0 MILLIMETERS NOMINAL
 AGYE SURFACE FINISH GROUND
 AGZD BORE SHAPE STRAIGHT
 AGZF LOCATING FEATURE ONE DIRECTION
 AGZH INTERNAL FIT-UP DESIGNATION STANDARD
 CTFZ STANDARD TOLERANCE DESIGNATION RBEC NO.1
 MATT MATERIAL STEEL ROLLER
 MATT MATERIAL STEEL INNER RING
 MATT MATERIAL STEEL OUTER RING
 STYL STYLE DESIGNATOR SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE