Log bearing qib feem ntau yog siv los faib cov bearings raws li qhov tseeb, kev ua tau zoo, thiab kev ua haujlwm, nrog rau qib sib txawv raws li kev tsim khoom tshwj xeeb thiab cov ntawv thov. Nyob rau hauv cov qauv kev lag luam, bearing precision qib feem ntau categorized rau hauv tus qauv, precision, thiab ultra- qib precision; tus qauv qib yog siv dav tshaj plaws, ua tau raws li qhov yuav tsum tau muaj ntawm cov neeg caij tsheb thiab kev lag luam tsheb.
Cov qhab-nees yog feem ntau txhais los ntawm kev ntsuas xws li qhov ntev ntev, qhov tseeb ntawm qhov sib hloov, thiab qhov roughness. Cov qib precision siab dua muaj cov kev cai nruj dua rau kev tsim khoom thiab kev sib dhos. Piv txwv li, precision-qib bearings muaj kev sib luag zoo tshaj plaws txog kev sib tw ntawm txoj kev sib tw, coaxiality, thiab kev tswj xyuas sab hauv, yog li txo qis kev khiav hauj lwm suab nrov thiab txhim kho kev ua haujlwm siab -.
Cov kabmob ntawm cov qib sib txawv sib txawv raws li kev thauj khoom -cov kabmob muaj peev xwm, qaug zog lub neej, thiab kev ntseeg tau. High-qib bearings feem ntau siv ntau dua- cov ntaub ntawv purity ua ke nrog cov txheej txheem kho cua sov kom zoo los txhim kho kev qaug zog thiab hnav tsis kam, ua rau lawv haum rau siab -ceev, hnyav-load, los yog xav tau kev khiav hauj lwm ib puag ncig.
Raws li kev lag luam automotive hloov zuj zus mus, bearing grading systems tau nce ntxiv nrog rau lub tsheb -cov kev cai tshwj xeeb. Piv txwv li, cov tsheb tshiab lub zog thiab siab - cov neeg caij tsheb kawg yuav siv qis - kev sib txhuam, siab - qhov tseeb, thiab ntev - lub neej bearings kom tau raws li qhov xav tau ntawm kev siv zog thiab kev nplij siab. Yog li ntawd, cov qib bearing pab tsis tau tsuas yog raws li qhov taw qhia ntawm kev tsim khoom zoo, tab sis kuj yog lub hauv paus tseem ceeb rau kev xaiv cov khoom thiab kev siv.