Thanks - I have found the bearing I need (HK1010), but if I can't get the old bearing out, it's of no use
I am soaking in WD40 overnight, will try citrus solvent next. I think I'll just have to give up, write the cost off as spare parts, and order a new set of pedals. The body kit is more expensive ($100) than new pedals ($130 - which includes $40 cleats)
Update: problem solved. I took it to my LBS, who with a lot of patience and careful hammering using better suited tools, got the remainder of the needle bearing out.. It was stuck with locktite, but I think it would have gone easier, had I read the instructions in OP more carefully. I read "On the outside lip of the bearing is a thin wire retaining ring", but I thought that was the C-clip ring for the cartridge bearings. There is another thin wire retaining ring holding the needle bearing in place....
The wire is thin and well hidden in dirt and grease. I only noticed it when I came home and used a dremel to polish the surface where the bearing had been stuck. The mechanic at LBS did not see it either.