Mphete zamkati zimagwiritsidwa ntchito ngati njira zoyendera ma bearing pomwe shaft si yoyenera izi, mphete zamkati zimakhala zazing'ono kwambiri chifukwa cha kutalika kochepa kwa gawo la radial. Mphete zamkati izi zimaperekedwa ndi ma chamfers a lead.
