Replacement Wheels for Jotag Dolly

Thread starter #1
One of the black plastic wheels on my Jotag dolly exploded, so I need a new wheel, but the old wheel had a hub depth of 2 1/4 inches. All the replacement wheels have a much deeper hub, which won't fit on my axle. Axle seems to be pressed into a rectangular aluminum piece about 4 inches long. Any ideas?