Bushings, izwi kandi nk'ibikoresho byoroheje cyangwa amaboko, ni ibikoresho bya silindrike bigamije kugabanya ubushyamirane hagati y'ibice bibiri byimuka. Mubisanzwe bikozwe mubikoresho nkumuringa, umuringa, ibyuma, cyangwa plastiki. Bushings yinjizwa mumazu cyangwa mu kazu kugirango ashyigikire kandi ayobore ibizunguruka cyangwa kunyerera, inkoni, cyangwa ibindi bikoresho bya mashini.