POM da PA ne mafi yawan amfani da filastik bearing kayan, aiki zafin jiki daga -60 ℃ ~ 100 ℃, surface ƙarfi high da kuma m, da gaske ba zai bayyana tashin hankali, da kyau kai lubricating kayan aiki da kuma low friction factor, bisa ga kiyaye filastik bearing gargajiya fa'idodi, za a iya amfani da daidaito da kuma high juyawa gudun aiki. Daga cikin POM filastik bearings ne mafi yawan amfani da duk filastik bearings, gabaɗaya ciki da waje ball kayan da aka yi amfani da POM ko PA, riƙe rack da fiber gilashi karfafa nylon 66 (GRPA66-25). Ball ne gilashi ball, bakin karfe ball ko yumbu ball, irin wannan bearing yi kyau a cikin alkaline yanayi, amma ba dace da gudu a cikin acid lalata yanayi.

POM kuma aka sani da "racer karfe": yana da kyakkyawan polyformaldehyde aka sani da polymethyl hypoxide, da sunan Turanci polyxymethylene (POM). Tsarin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwayoyin kwa

Amfani: yana da kyakkyawan haɗin aiki da launi, yana da babban elasticity module, babban rigidity da tauri, karfin janye, karfin lankwasawa, juriya ga creep da gajiya kyakkyawa, juriya ga maimaita-maimaita, ƙananan ƙididdigar gogewa, juriya ga lalacewa, kyakkyawan kwanciyar hankali na girma, kyakkyawan haske na farfajiyar, yana da babban m elasticity, ƙananan sha ruwa, kyakkyawan wutar lantarki, kuma ba ya shafar zafin jiki; Ruwa sha kananan, mai kyau insulation juriya da kuma ba a tasiri da zafi. Kayan aiki na inji yana da ƙananan tasiri daga zafin jiki, yana da ƙarfin inji da juriya na zafin jiki mai girma, ana iya amfani da shi a cikin -40 digiri zuwa 100 digiri na zafin jiki, wanda ya dace da yin kwatancen daidaitaccen filastik bearings, kyakkyawan kayan aiki na self lubrication da ƙananan ƙididdigar ƙididdiga.

Rashin amfani: rashin juriya ga acid, rashin juriya ga alkali mai ƙarfi da kuma rashin juriya ga hasken wata na UV, rashin kwanciyar hankali na zafi, sauƙin ƙonawa, sauƙin tsofafawa da hasken rana a cikin yanayi, sauƙin rushewa, zafin jiki na rushewa digiri 240. POM filastik bearings ne mai yawa amfani a cikin duk filastik bearings, gabaɗaya ciki da waje ball kayan da aka yi amfani da POM, riƙe rack da gilashi fiber karfafa nylon PA66, ball ne gilashi ball, baken karfe ball ko yumbu ball, irin wannan bearings yi kyau a karkashin alkali muhalli amma ba dace da gudu a karkashin acid lalata muhalli.