Iirola zendlela zeStud ziiyunithi ezipheleleyo eziquka istrola enziwe ngomatshini, ii-thrust washers, iringi yangaphandle kunye ne-needle roller kunye ne-cage assembly okanye iseti yerola yenaliti epheleleyo okanye ye-cylindrical roller.
Abalandeli bekhamera (ii-strollers ze-track type stud) zisekelwe kwi-needle roller bearing ene-stud eqinileyo enemisonto endaweni yeringi yangaphakathi.
Le bearing inesangqa sangaphandle esinodonga olungqindilili kunye nomphezulu osecaleni onomphetho ongaphandle.
Uthotho lwe-NUKRE oluneseti epheleleyo yerola esisilinda, isikhokelo se-axial seringi yangaphandle nge-rolling element, kunye nezitywina ze-labyrinth kumacala omabini.