Iibheringi zebhola zegroove ezinzulu zithatha umthwalo weradial kunye nokuthatha umthwalo ophakathi we-axial. Ngomlinganiso ongaphantsi kwe-friction, isantya esiphezulu sokunciphisa, uluhlu lobungakanani obukhulu kunye nokudibanisa okumibalabala kwesakhiwo; zilungele itrektara, iimoto, iimoto, izithuthuthu, kunye nabanye oomatshini abaqhelekileyo, njengohlobo olusetyenziswa ngokubanzi lweebheringi kumashishini oomatshini.