Loaʻa i ʻelua lālani pōpō me kahi heihei sphered maʻamau i ke apo o waho.Hāʻawi kēia i nā bearings i kā lākou waiwai ponoʻī, e ʻae ana i ka misalignment angular o ke kumu e pili ana i ka hale.No laila, kūpono loa lākou no nā noi kahi e hiki mai ai ka misalignment mai nā hewa i ke kau ʻana a i ʻole mai ka deflection shaft.Eia kekahi, ʻaʻole i hoʻopaʻa ʻia i ka hoʻopaʻa ʻana iā ia iho-aligning ball bearings ka haʻahaʻa haʻahaʻa o kēlā me kēia ʻano hana.