2a thread class left-hand 3.5900" overall length 0.6245" bore diameter 18 thread quantity per inch chromium inner member surface treated ball type unf thread series
1.9779" overall width 1.3778" bore diameter astabilized for operation at m 65 to p 250 deg f, lubricated w/mil-l-7808thrust marking on od of bearing, 4 slots equally spaced on face of outer race of ea bearing 0.250 in. w by 0.040 in. dp stack