Qufulka saxda ah ee looska ayaa ah qalab sidda qalabka biraha. Waxa loo isticmaalaa in lagu gaadho horudhac axial ah oo qeexan oo ah xadhkaha xidhiidhka xagal xagal ee xagasha ee xadhkaha xadhkaha goosha iyo axial/radial roller bearings for wheels. Nuska qufulka saxda ah ayaa sidoo kale loo isticmaalaa codsiyada kale halkaas oo xoogagga axial-ga sare ay tahay in la taageero oo axial sare uu dhammaado saxnaanta iyo adagaanta ayaa loo baahan yahay.
