High zafin jiki juriya yumbu zurfin trench ball bearing 6004CE silicon nitride, na yau da kullun bearing karfe AISI52100 (GCr15), bakin karfe AISI440 (9Cr18), silicon nitride (Si3N4) da zirconium oxide (ZrO2) huɗu bearing kayan aiki iko yanayin, yumbu bearing a matsayin wani muhimmin inji tushe sassa, saboda shi da karfe bearing ba zai iya kwatanta kyakkyawan aiki, juriya high zafin jiki, super karfi da sauransu a cikin sabon kayan duniya na farko. A cikin kusan shekaru goma, an yi amfani da shi sosai a fannoni daban-daban na rayuwar jama'a. Amfani Da farko, saboda yumbu kusan ba tsoron lalata, don haka, yumbu madaidaiciya bearings dace da aiki a karkashin mummunan yanayi cike da lalata kafofin watsa labarai. Na biyu, saboda ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙaranc Na uku, amfani da yumbu da zafi da sanyaya yana da tasiri mafi ƙaranci fiye da karfe, saboda haka, a lokacin da wani rabo na bearing, za a iya ba da damar bearing ya yi aiki a cikin yanayin da bambancin zafi ya fi girma. Na huɗu, saboda elastic modulus na yumbu ne mafi girma fiye da karfe, ba shi da sauƙin karkatarwa lokacin karfi, don haka yana da kyau don haɓaka saurin aiki da kuma cimma babban daidaito. Babban amfani da yumbu bearings yana da halaye masu juriya ga high zafi, sanyi, lalata, lalata, anti-magnetic rufi, ba tare da man fetur kai lubrication, high juyawa gudun da sauransu. Za a iya amfani da shi a cikin matsanancin tsananin muhalli da kuma musamman yanayin aiki, za a iya amfani da shi sosai a cikin jirgin sama, sararin samaniya, jirgin ruwa, man fetur, sinadarai, motoci, lantarki kayan aiki, karfe, wutar lantarki, masana'antu, famfo, likita kayan aiki, kimiyya bincike da kuma tsaro soja da sauran fannoni, shi ne high-fasaha kayayyakin da ake amfani da sabon kayan aiki. An yi amfani da kayan sarrafawa na yumbu, zirconium (ZrO2), silicon nitride (Si3N4), silicon carbide (Sic) uku. Mai kula da aka yi da polytetrafluoroethylene, nylon 66, polyether arylamine, zirconium oxide, silicon nitride, bakin karfe ko musamman jirgin sama aluminum, don haka fadada aikace-aikace surface na yumbu bearings.