Cikakken yumbu bearing yana da halaye na anti-magnetic insulation, lalata juriya juriya, ba tare da mai kai lubrication, high zafin jiki juriya da high sanyi da sauransu, za a iya amfani da shi sosai wuya muhalli da kuma musamman aiki yanayi. Shiga da kuma madaidaiciya jiki amfani da zirconium oxide (ZrO2) yumbu kayan, mai kula da amfani da polytetrafluoroethylene (PTFE) a matsayin misali daidaitawa, yawanci kuma za a iya amfani da fiber gilashi karfafa nylon 66 (GRPA66-25), musamman injiniya roba (PEEK, PI), bakin karfe (AISI SUS316, SUS304), tagulla (Cu), da sauransu.

Main siffofin yumbu bearing:
(1) juriya lalata. Ana amfani da acid-alkali juriya, kamar yadda aka saba a cikin yanayin mai ƙarfin acid-alkali;

(2) High zafi juriya. Low sanyi juriya

(3) Wear juriya, babu mai kai lubrication, ba buƙatar ƙara wani mai

(4) Ba tare da magnetism, ba tare da wani magnetism.

(5) Yanar lantarki mai kyau