Roj zaj duab xis bearings, raws li qhov tsis tseem ceeb thiab tseem ceeb ntawm kev sib txuas lus ntawm cov khoom siv roj hmab niaj hnub, tab sis kuj tseem ceeb rau kev pabcuam lub neej ntawm lub cov khoom .
Hauv kev ua haujlwm hnyav xws li kev kub ceev thiab muaj peev xwm tiv thaiv cov khoom lag luam zoo nkauj thiab muaj peev xwm ua kom muaj kev sib txawv ntawm cov khoom siv kho tshuab neeg kho tshuab tsis ua rau los ntawm kev co .
Kev txhuam hniav coefficient ntawm roj zaj duab xis bearings yog tsawg heev ntawm cov cuab yeej siv cov khoom siv hluav taws xob, tab sis kuj tuaj yeem kho cov khoom siv hluav taws xob hauv lub zog. Kev Ua Haujlwm Kev Ua Haujlwm .
Hauv kev tsim khoom niaj hnub, cov ntawv thov ntau yam ntawm kev lag luam metalling cov kev pab nyiaj txiag rau kev lag luam .
Ib qho ntxiv, tus txij nkawm cov nqi ntawm cov roj ua yeeb yaj kiab yog qhov yooj yim me me {1} {{1} {{1} .
Hauv cov ntsiab lus, lub luag haujlwm ntawm roj yeeb yaj kiab bearings hauv kev lag luam niaj hnub yog qhov tseem ceeb los txhim kho cov nqi khoom siv thiab txo cov nqi ua haujlwm zoo {}}