Wheel bearing question

#1
I finally got around to taking the wheels apart on the homemade mini bike I picked up last month. I think the rear wheel came off a late 50's kart (bases on some pictures I saw on EBay. I a pulled 3/4" axle out of the rear hub. I am not a home to measure it or post up some pictures but, does anyone make a 1 5/8" OD to 5/8" ID bearing? I am trying to cut down costs of these (2) builds for my kids and re-use some vintage parts.
 
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