Been through my list of 86 casting references, but couldn't see it I'm afraid!
I guess you don't know the axle manufacturer, or you wouldn't be asking. Perhaps post a pic up, I may be able to assist from that (different manufacturers have different casting shapes - some have fins, some have deep bosses, some have castings marks etc)
Post a pic, when I phoned around with the nber in the casting, no one had a clue. I spent ages trying to identify mine and found a worn sticker, called M&E and got what I needed.
Thanks guys. Managed to get bearings by measuring the old ones.There were no numbers on the larger bearings!!!The trailer is unplated and a bit of a mystery.It had mild steel dumbells which rotted through!!!All now replaced with proper alloy.
Thanks again.