Mipira yolowera kuwirikiza kawiri imakhala ndi shaft washer, ma washer awiri anyumba ndi magulu awiri a mpira wa khola. Makina ochapira shaftwa amapangidwa pakati pa makola awiriwo, kulola kunyamula kunyamula katundu wa axial mbali zonse ziwiri. Khola limakhala ndi mipira pomwe chowotchera pampando chomangika chimawatsogolera.
