Zogulitsa

Maberiya ozungulira ozungulira amakhala ndi mphete yamkati yokhala ndi njira ziwiri zothamangira pa ngodya ku axis yoyendera, mphete yakunja yokhala ndi msewu wozungulira wozungulira, ma rollers ozungulira, ma cages, ndipo, m'mapangidwe ena, mphete zowongolera zamkati kapena mphete zapakati. Maberiya awa amathanso kutsekedwa. Maberiya ambiri ozungulira ozungulira amapangidwa ndi mizere iwiri ya ma rollers, zomwe zimawalola kunyamula katundu wolemera kwambiri wa radial ndi katundu wolemera wa axial. Palinso mapangidwe okhala ndi mzere umodzi wa ma rollers, oyenera katundu wocheperako wa radial ndipo palibe katundu wa axial.

Maberiyani a makina a mapepala ndi ziwalo za makina a mapepala.
Maberiyani a makina a pepala, omwe ndi maberiyani odzazidwa ndi mafuta apadera olimba omwe amapereka mafuta odzola nthawi zonse kuti mafuta azikhala odzola kwa nthawi yayitali.
Ma bearing ozungulira ozungulira ndi omwe amatsogolera kapangidwe kake, makamaka posankha ma bearing akuluakulu ndi apakatikati.