Njengoba zakhiwe ngendlela efanayo nama-ball bearing, ama-roller bearing anokuxhumana komugqa kunokuba abe ukuxhumana kwephuzu, okwenza kube namandla amakhulu kanye nokumelana okukhulu nokushaqeka. Ama-roller ngokwawo eza ngezimo eziningana, okungukuthi, ama-cylindrical, ama-spherical, ama-tapered, kanye nama-needle. Ama-roller bearing aphatha...
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