
Angular contomarfin ball na farko (ACBBBs) daidaitattun kayan aikin injiniya ne na musamman waɗanda aka tsara don rikewa hade radial radial da kayan daki, lokaci guda. Ba kamar daidaitaccen tsinkayen ƙwayoyin gasa ba, suna haɗa kusurwa lamba (galibi tsakanin 15 °), galibi suna ba da damar tallafawa sojojin ƙasa guda ɗaya, galibi tare da matsakaiciyar sojoji. Wannan takamaiman ƙirar yana sa su zama dole ga aikace-aikacen aikace-aikacen da suke neman daidaito da ke da ƙarfi da taurin kai a ƙarƙashin yanayin saukarwa.
p>| Iso | 7044 AC | |
| Tafiya | 46144 | |
| Ba diami | d | 220 mm |
| A waje diamita | D | mm 340 |
| Nisa | B | mm56 ku |
| Rarra na asali mai kyau | C | 160 kn |
| Ainihin bayanan nauyi | C0 | 212 |
| Saurin gudu | 1440 r / min | |
| Iyakance sauri | 1140 R / Min | |
| Taro bear | 18.5 kg | |
Single-Row Acobbs rike axial lodi da farko a hanya daya. Sets Duplex (DB: Back-to-baya, DF: fuskar fuska, an ƙirƙiri ta hanyar hawa gaba ɗaya ko fiye da haka don ɗaukar nauyi a gefe ɗaya ko fiye.