NOS Ford rod bearings for Flathead Ford  81A-6211-E1 rod bearing set at -.010 on rod journals with +.008 OD, material is nickel-cadmium.  Fit 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945 engine with 91A and 21A connecting rods on crank with 1.998 STD rod journals, or later flathead crankshafts ground or offset ground to the smaller journal size at -.,010.  These bearings are not flanged.

For a better and easier way to size rod big ends, see my "Early Ford V8 Times" article from Jan/Feb 2006 on this site under Red's Engine Talk: "Oversize OD Rod Bearings".