ʻO nā huila huila keʻa he ʻelua lālani wili pahu i hoʻopaʻa pololei ʻia kekahi me kekahi ma o ka nylon spacer ma ke ala heihei 90-degere V. No laila, hiki i ke keʻa-roller ke kū i nā ukana he nui e like me ka ukana radial, ka ukana axial a me ka ukana manawa.
SX moʻo kaʻa kaʻa huila bearings, keia 'ano he uuku kea-pauku ma mua o ka RB moʻo i loko o ka hookahi puke pai. Ma muli o ka hoʻolālā ultra-thin, ʻaʻohe puka kau no nā apo o waho a me loko, a pono nā flanges a me nā kākoʻo no ka hoʻokomo ʻana. He kūpono ia no nā hihia kahi e huli ai ke apo o loko.
Hāʻawi ʻo SX011820 Crossed Roller Bearing i ka holo pololei kiʻekiʻe a paʻa