2 Holes Flange Mounted Ball Transfer Unit One Bearing 2 Holes Flange Mounted Ball Transfer Unit, with one inch (1"=25.4mm) main ball, used for heavy duty loads, the unit has 2 holes to be fixed, can be used to build a multi-direction conveyor, moving goods, feeding machines and many more, the rest is for your imagination to build a new design or create a new idea. Major Dimensions L D X Y F H C B 68.6 55.6 5.5 54.2 41.5 33.5 14 46