ʻO nā bearings ball thrust he mau bearings kūikawā i hoʻolālā ʻia e lawelawe i nā ukana axial (thrust) i nā wikiwiki kiʻekiʻe. Loaʻa iā lākou ʻelua mau mea holoi bearing me nā grooves raceway a me nā pōpō e neʻe ana i loko o kēia mau grooves. ʻAʻole e like me nā ʻano bearings ʻē aʻe, ʻaʻole hiki i nā bearings ball thrust ke lawelawe i nā ukana radial, e kūpono ai no nā noi kikoʻī kahi i loaʻa ai nā ikaika axial wale nō.
