[Kurt in NJ]

I have an old listing--A main bearings
international harvester, 1456sb --1.063 width, std shaft size 1.623, bore size1.7760
british leyland(rod bearing)4-2956cp, width .880, shaft1.6254, bore1.7705
onan (rod bearing)3180sp, width 1.00, shaft 1.6252, bore1.7505
standard motors (rod bearing)4-65290ra, width .690, shaft1.6250, bore1.770

I know the british leyland bearings are for early 60s mg midgets ---they wern't the most reliable bearings in their original application, they would crack in 1/2 in the midgets, the other bearings are all listed in my 1965 bearing catalouge ---so they are for at least 50 year old engines

The AER bearings list a bore size of 1.7705 ---so there is a good chance that a block set up for the british leyland, or std motors bearings could be easily modified to take the made for the "A" AER inserts