Rolling body fitted to a holder

A linear roller bearing assembly comprising an elongated base plate having a plurality of pockets spaced along the length thereof, a roller holder removably mounted in each pocket with clearance between the outer peripheral edge of said holder and the inner peripheral edge of said pocket so that said holder is movable within said clearance, and a roller body located in each holder, each of said holders comprising a frame, conforming in outer peripheral shape to that of said pocket, said frame having two pair of tabs extending outwardly on opposite sides thereof, said tabs being adapted to be snapped on to the corresponding peripheral edges of said base plate in opposition to said sides when said holders are located in said pockets and means for retaining said respective roller bodies in said holders comprising a pawl extending inwardly from opposite lateral sides of said frame in engagement with respective frontal ends of said roller bodies wherein said opposing pawls have sloping walls inclined with respect to each other in opposite directions to hold said roller bodies at an angle along an axis inclined with respect to said base plate.