Product Detail This 9" Ford Diff Pilot Bearing x 1pcs Application Details *Suit all Standard OEM Cases *Suit all Aftermarket Nodular Iron Cases *Suit All Aftermarket Aluminium Cases Specifications Part Number R1535TAV Strange Part Number STR-N1940 Inside Diameter 1.1092"  (28.17mm) Outer Diameter  1.8504" (47.00mm Bearing Width    0.656"   (16.66mm)