Deep groove bhora mabhengi anonyanya kutora radial mutoro pamwe nekutora zvine mwero axial mutoro. Iine mashoma coefficient of friction, yakakwirira yekumisa kumhanya, yakakura saizi renji uye ine mavara musanganiswa wechimiro; iwo akakodzera tarakita, mota, mota, midhudhudhu, uye mimwe michina yakajairika, semhando inoshandiswa zvakanyanya yemabhengi muindasitiri yemuchina.