Hal Taper Taper Sita

Sharaxaada Alaabta:
Nooca rullaluistemadka duuban waxaa iska leh xajinta kala soocida, kaas oo leh jinsiyad gudaha iyo dibadda ah. Sida laga soo xigtay qaab-dhismeedyo kala duwan, waxaa loo kala saaray hal saf, saf labajibbaaran iyo afar saf oo wareeg ah oo rullaluistemadka kolayga ah.

Tilmaamaha Alaabta:
1.Naqshad gooni ah 
2.fudud fudud 
3.Axial load hal jiho 
4.Radial load ma jiro

Codsiga:
Gawaarida duuban ee duuban ayaa si weyn loogu isticmaalaa gawaarida, warshada duubista, biraha, mashiinada caaga ah iyo warshadaha kale.