Used on philadelphia reduction gear onboard 378 ft coast guard vessels hamilton only hull number 715. 8.0000" overall length hole 0.562" diameter in one half; 1.250" from one end; 0.375" deep 17b segmented, plain, no outside flanges
1.4383" bore diameter 4.250" housing length 13 thread quantity per inch provided with 2 bearing M81934/2-20A032 one on each end of housing bore chromate housing surface treated pillow block, solid unc thread series