cheap very thin section large diameter bearings?

I’m looking for thin section bearings in the neighborhood of 120mm ID for robot actuators. This is my best option so far.

Since it takes a dynamic load of about 6000lb, it’s way overkill. I’d really like to find a bearing with this ID but thinner and smaller OD with a much lower rated load and hopefully a lower price as a result.

Any idea where I should look?

submitted by /u/elfballs
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