Something else is going on and causing these to fail. I have used the cheapest of cheap eBay spindles that get shipped to my door for under $10 each for the complete spindle assembly and haven't had one fail yet!
Either there's too much tension on the belt but that's pretty much impossible for an LT1000 with a manual leverage attention in it has that only happens on mowers that have a PTO clutch where they're under constant pressure and tension and then only if the spring has been replaced or move to a different mounting hole etc so it's way too much pressure.
The other thing would be out of balance blades and or hitting lots of stuff when you mow.
The third and probably most likely is when people hose off their mower deck with a water hose or pressure washer or use that deck clean out Port which should be taken off and thrown away as soon as you buy the lawn mower.
There is zero reason to get water near a lawn mower especially a rider since there are typically at least eight grease filled bearings right there on the deck without anything more than that little rubber dust cover that presses into place. No reason to get water on top of or below the deck service anywhere near these spindle and bearing assemblies..
That those are the only things I can think of on the top of my head that would cause extremely shortened life on a spindle assembly but it amazes me you're having problems because as I said I haven't had one of the cheap ones fail yet.
I didn't see in the thread if yours have any grease fittings or not but sometimes you can buy replacements online that do have a grease fitting or you can simply drill an at your own but that doesn't always work if the inner side of the bearing isn't open but you could modify yours or make sure grease is actually getting to the bearings and then grease them
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The problem with both evilpay & scammazon is the identity of the vendor is hidden from the purchaser.
So this makes them the perfect place for off loading parts bought as scrap metal because they failed the quality control inspection at the factory
They are also the perfect place to sell fakes
Alibaba OTOH forces the vendor to be identified so the purchaser knows the REAL name of the person they are buying from
On top of that Alibaba & Ali Express hold onto your money till either you confirm that the item is correctly described and works or you have had it for 60 days .
So everything bought from there will be good & not a lucky dip
At least 2 time a week some thing comes through the gate with a faulty "new" part purchased through Evilpay or Scamazon
Right now I have a knock off Nikki carb that has driven me mad with a random fault
Some times it would not respond the the throttle & other times not respond to the governor so would race
Now this one had me baffled
Put one of my CHINESE carbs on and the engine ran fine so I knew it was the scamazon carb
Just worked out today what the problem is
The hole for the throttle butterfly shaft is .025" too deep so the butterfly can catch on the carb venturi , some times sticking open &* other times failing to open fast enough .
His carb & my carb were identical except mine came through my wholesaler with a 12 month warranty so had passed quality control & his came via Scamazon and was a QC reject
So the customer will get a # 250 bill because he was too cheap to buy a $ 60 carb from a certified supplier .
And that is the problem
Even worse is customer will swear on a stack o bibles that their $ 45 service kit ( carb air filter fuel filter & spark plug ) are all good & I am pulling a swifty on them .
I agree that there are some problems with eBay and Amazon but I prefer eBay more than anything else because they don't hide the identity like you mentioned..
You get to scroll down through all the listings and pick the location and even the vendor you want to deal with and you can read all the reviews and feedback and even sort them so you only looking at the bad ones etc.
I have also found that you will end up getting much better price on eBay for most lawn mower parts 95% of the time..
There are a few things that will surprise you. For the past year or so you can get a two pack of the engine zone control cables and a much better price per unit on Amazon that you can on eBay HOWEVER most of them won't fit the application there for anyways. LOL
I received four cables in the mail last week all on the same day. They were all from Amazon one was a factory original Cub cadet and it fit perfectly like it should have. The other three were two different brands of newer aftermarkets and one was 12 in too long and one was 6 in too short.
