ʻO nā bearings pōpō pili ʻehā-kiko he apo o loko i māhele ʻia i ʻelua ʻāpana. Hiki i hoʻokahi o kēia mau bearings ke hoʻomau i nā ukana axial koʻikoʻi ma nā ʻaoʻao ʻelua. Hiki ke kau ʻia ke apo o waho me ka hui pōpō a me ka hale paʻa ma kahi kaʻawale mai nā hapalua apo o loko ʻelua. ʻO kahi kihi pili o 35° e ʻae ai i ka hiki ke lawe i ka ukana axial kiʻekiʻe. He kūpono kēia ʻano no ka lawe ʻana i nā ukana axial maʻemaʻe a i ʻole nā kauoha i hui pū ʻia kahi i kiʻekiʻe ai ka ukana axial. Loaʻa i kēia mau bearings nā hale keleawe i mīkini ʻia.
