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SouthArk370Z

Radial load rating is usually much less. But, since you will be on a level service when you use the jacks, this shouldn't be a big concern. Just keep in mind that the higher the length-to-diameter ratio, the more likely you are to bend the shaft with a radial load.


The best thing to do is not use it on uneven surfaces.
The units you show above have pretty long shafts (compared to diameter). I'd try to find out more about how much radial load they can take before using on an uneven surface. There may be a good reason that store-bought systems are sooooo expensive.

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