ʻO nā bearings wili nila hoʻonohonoho me ke apo o loko a i ʻole me ka ʻole o ke apo o loko he mau ʻāpana piha i loko o kahi kīʻaha waho i huki ʻia, a me ke apo o waho me ka ʻili waho poepoe, kahi wili nila a me ka hui hale paʻa a me kahi apo o loko e hiki ke wehe ʻia. Loaʻa i nā bearings wili nila hoʻonohonoho kahi apo raceway me kahi ʻili waho piʻo a me ke apo kākoʻo piʻo. ʻO ka hopena, hiki iā lākou ke hoʻoponopono i nā misalignments static o ke axis bearing a hiki i ka 3°.
