4.3304" bore diameter silver plate cage per ams 2412 0.0010-0.0020thk on land riding surf andball pockets. bake at 475-500f for 2hrs to check for bond 26a non-loading groove, non-separable
2.8590" overall width 1.6250" bore diameter no means for relubrication single row ball, external self-aligning, inner ring extended both sides, with eccentric locking collar