SA Trailer Bearing Specifications

I have owned and sailed Hull # 35, Solstice since I bought her in 2003. She has been cruising the waters of Long Island Sound from Connecticut, and the Intercoastal and chain of islands on the east coast between Florida and Georgia.
As a new member and soon to be former owner of a Cape Cutter 19 in the USA (Amelia Island, Florida), I'm looking for any information owners could provide on the specifications and sources of wheel bearings and seal for the South African built trailer.
I am preparing the trailer for the new owner, and wanted to replace the wheel bearings and seals before the new owner picks it up, however I cannot find the inner bearing size after searching numbers of bearing retailers in the Southeast.
Would anyone have the size, mfg., part number etc. for the bearings and seals. Also if they are available from the US or even european sources?
Any help is much appreciated...
As a new member and soon to be former owner of a Cape Cutter 19 in the USA (Amelia Island, Florida), I'm looking for any information owners could provide on the specifications and sources of wheel bearings and seal for the South African built trailer.
I am preparing the trailer for the new owner, and wanted to replace the wheel bearings and seals before the new owner picks it up, however I cannot find the inner bearing size after searching numbers of bearing retailers in the Southeast.
Would anyone have the size, mfg., part number etc. for the bearings and seals. Also if they are available from the US or even european sources?
Any help is much appreciated...