[/URL][URL="http://docs.google.com/viewer?a=v&q=cache:IAtMDf6tZDQJ:www.rgf.bg.ac.rs/predmet/RO/IV%2520semestar/Masinski%2520elementi/Predavanja/08.%2520Vratila%2520i%2520osovine.pdf+model+osovina+pdf&hl=sr&gl=ba&pid=bl&srcid=ADGEESi0yjaYYtyWqhk2AC-0Id-_GQQDEGoeThVzOpSjV5kYzqdWQFFJ5YBfn2-zoX9Lbi1G88opBCn0bVr3UxRhtfPbBFrj_AabDVtZ2D3b3XZB-iZQDFtPVqzdUYTGB-TP4G7I1gWx&sig=AHIEtbT1BCe4br7wo_zEZpRnCbY2mpXuCg"]Osovine i vratila[/URL]