272.0mm overall width 530.0mm bore diameter three tapped holes, 0.500-13, 1.250 in. deep, equally spaced on 32.312 in. bolt circle; three williams vulcan no. 25 shouldered eye bolts or equivalent; three 0.500 in. by 2.000 in. by 5.500 in. metal plates to assist mounting, remove after installation double row, spherical rollers, self-contained, outer
3b thread class right-hand 2.3750" overall length 0.4375" bore diameter 20 thread quantity per inch cadmium surface treated ball type unjf thread series
3.250" outside diameter od of flange THREADED3.250 in.-12un-3a; 16.0 microin fin. on inner chamfer of aperture as mounted; front face countersunk 1.000 in. dia by 30.0 deg; backface countersunk 1.875 in. dia by 60.0 deg; circumferential groove od raisedsurface, 0.284 in. wide, 2.157 in. dia round
Used on main control propulsion system onboard 210 ft wmec mma coast guard vessels. 0.2500" bore diameter plastic polytetrafluoroethylene inside diameter surface of race insert surface treated with insert and/or liner