Cov khoom tuav tau muab faib ua cov pawg hauv qab no
Cov kabmob (GCR15) yog tam sim no feem ntau siv kev bearing ntawm lub khw.
Cov khoom siv carbon.
Stainless steel bearing khoom faib rau (440,304,316) peb hom rau 440 feem ntau yog ua raws li 304 thiab thaum kawg 316 khoom.
Ceramic bearings (ZRO2 zirconia, silicon nitride SI3N4, SIC silicon carbide, alumina).
Yas Bearings (PA nylon, PP polypropylene, POM polyoxymethylene, polyetheretonketone PEEK, polyvinylidene fluoride PVDF, polytetrafluoroethylene PTFE, polyethylene UPE, PVC PVC)
