Bearings ɗin naɗa mai tauri sun ƙunshi sassa huɗu masu dogaro da juna: mazugi (zoben ciki), kofin (zoben waje), naɗa mai tauri (abubuwan birgima) da keji (mai riƙe naɗa). Jerin ma'auni na bearings masu tauri matsakaici da tsayi suna amfani da lambar kusurwar tuntuɓar "C" ko "D" bi da bi bayan lambar rami, yayin da babu wani lamba da aka yi amfani da shi tare da bearings na kusurwa na yau da kullun. Ana amfani da bearings masu tauri matsakaici masu tauri musamman don shafts na gear daban-daban a cikin motoci.
