Tapered roller bearings yog cais bearings, thiab sab hauv thiab sab nraud ntawm cov kabmob muaj tapered raceways. Hom kabmob no tau muab faib ua cov qauv sib txawv xws li ib kab, ob kab thiab plaub kab tapered menyuam bearings raws li tus naj npawb ntawm kab ntawm cov menyuam ntsia.