I sanded down the wheel , painted them and put new sealed bearings and new tires and inter-tubes. all together it was as much as just replacing the whole wheel.
but i could not find a whole new wheel with the correct diameter and backspacing as the old one.
In this picture you can see that the sidewall of the old front tires they were dry rotted and split. The other side was actually worse. At this point i was just basically running on the tube and the whole wheel was on the verge of failing. The bearings were also completely worn out.
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I was able to find the original "Hi-Run" brand tire on the Walmart online website. but the tread depth is not as deep as the original
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You can find replacement wheels online with the correct bearing. just measure the spindle diameter
These wheels are 10 inches tall .
so any 10x3.5 wheels that have the 3/4" inside diameter spindle hole with at least a 2" offset should work.
Most parts can be found on ether Walmart.com or Amazon.com or even ebay, it just takes a bit of research.
You can also find parts at
https://www.rcpw.com/snapper-parts/
And you can find a part diagram for your model here.
Parts lookup and repair parts diagrams for outdoor equipment like Toro mowers, Cub Cadet tractors, Husqvarna chainsaws, Echo trimmers, Briggs engines, etc.
www.partstree.com