Ma bearing a roller okhala ndi mzere umodzi ndi osiyana, zomwe zikutanthauza kuti mphete yoberekera yokhala ndi chogwirira ndi khola ikhoza kulekanitsidwa ndi mphete ina. Bearing iyi idapangidwa kuti igwirizane ndi katundu wolemera kwambiri wa radial pamodzi ndi liwiro lalikulu. Pokhala ndi ma flange awiri ofunikira pa mphete yakunja ndipo palibe ma flange pa mphete yamkati, ma bearing a NU design amatha kulola kusuntha kwa axial mbali zonse ziwiri.
