Used on b-1b acft. 1.7714" bore diameter silver plate separator 0.0005-0.0015 thk per ams 2412 264a single row, two lip outer ring, no inner ring, roller retainment rings, non-separable
Used on b-1b acft. 1.5369" bore diameter silver plate separator 0.0005-0.0015 thk per ams 2412 264a single row, two lip outer ring, no inner ring, roller retainment rings, non-separable