Machine tool linear guide bearing?
Different specifications, bearing is not the same
Different specifications, weighing is not the same,
The question is too vague.1: what kind of force? Horizontal? Up and down? Or is it a moment?... It's a big difference.2: different specifications, load value is different, to the level of gravity, for example, the single sliding body (slider) ranging from a few kilograms to a few tons.