Unbalanced tub during spin

We have a Maytag Performa MTW5740TQ0 washer. It has started rattling and vibrating during the spin cycle. No matter how you redistribute the clothes it still vibrates more than any other washer I have seen. I have read about snubber ring replacement, however, looking at this washer I can’t find any snubber ring. The springs (3) are intact. There is a skate plate like this:
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That rests on a chingadera that looks like this:

[URL="http://www.************************.com/PartDetail/Large-Part-Image?imgID=676387&locID=2246)

so the question(s) is/are…

Is there even a snubber ring?
If so, where?
If not, what else could be causing this?

BTW its direct drive no belts or pulleys.

Thanks