3b thread class right-hand 2.0600" overall length 0.3120" bore diameter 24 thread quantity per inch keyslot, deep square slot ball type unjf thread series
Used on c-17 engine. router race has material hardness rating of 60-64, dia. of raceway is 3.44488 in. min., 3.44528 in. max; innerrace hrc is 60-64, width is .3945 in. min, .3957 in. max, dia. is 2.6575 in.; rolling max. is .39299 min.