Kowane jeri mai ɗaukar hoto yana da halaye daban-daban saboda ƙirar sa daban-daban, yana sa ya dace da takamaiman kewayon aikace-aikacen.Misali, zurfin tsagi ball bearings iya jure matsakaici radial da axial lodi da kuma low gudu gogayya, wanda zai iya samar da high daidaito da kuma low amo kayayyakin.Saboda haka, sun dace da ƙananan ko matsakaicin aikace-aikacen mota.Siffar abin nadi na iya jure nauyi mai nauyi, kuma yana iya daidaita kanta ta atomatik.Wadannan halaye sun sa ya dace da aikace-aikacen injiniya, saboda a cikin waɗannan aikace-aikacen nauyin nauyi yana da nauyi sosai, da kuma lalacewa da rashin daidaituwa da nauyin nauyi ya haifar.

Duk da haka, lokacin zabar bearings, sau da yawa ya zama dole don la'akari da dalilai daban-daban don auna nauyin su, don haka babu irin wannan "ka'idar gaba ɗaya".

Wasu halaye ba su dogara kawai akan nau'in ɗaukar hoto ba.Misali, saitin da ya ƙunshi ƙwallo mai lamba angular ko kuma abin nadi mai ɗorewa, tsayin daka kuma ya dogara da abin da aka riga aka zaɓa;alal misali, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, da sassan kewaye na ɗaukar hoto, da ƙirar keji An ƙaddara.

A cikin abin nadi na silinda, sabon ƙira yana da ƙarfin lodin axial fiye da ƙirar gargajiya.Koyaya, duk da waɗannan gazawar, har yanzu yana iya taimakawa wajen zaɓar bearings.Bugu da ƙari, dole ne mu ga cewa zaɓin bearings kuma yana shafar jimlar kuɗin da aka zaɓa da kuma samuwa na kasuwa.

Lokacin zayyana ƙayyadaddun ƙayyadaddun kayan aiki, dole ne ya kula da mahimman abubuwansa, kamar ɗaukar nauyi da ɗaukar rayuwa, juzu'i, saurin iyaka, izinin ciki ko preload na ɗaukar nauyi, lubrication, hatimi, da sauransu, waɗanda za a iya la'akari da su bisa ga dacewa bayanai na wannan samfurin.