ʻO nā bearings pōleʻa hoʻokuʻu hoʻokahi ʻo ia ka mea holoi ʻauʻau, kahi mea holoi hale a me kahi hui pahu a me ka hale. Hiki ke hoʻokaʻawale ʻia nā bearings i mea maʻalahi ke kau ʻana e like me nā mea holoi a me ka hui pōpō a me ka hale paʻa hiki ke kau ʻokoʻa.
Hiki ke hoʻokomo i nā haʻawe axial ma kahi ʻaoʻao a no laila e loaʻa i kahi kumu axial ma ka ʻaoʻao hoʻokahi. ʻAʻole pono lākou e kau ʻia i kekahi ukana radial.