Team Associated 91563 Factory Bearing (Piece 4), 10 x 15 x 4mmASC91563 is a Team Associated ft. bearings, 10x15x4 mm. These superior bearings will smooth out the play in critical areas of your vehicle for all around performance gains. Distinguished by a blue shield on one side, these bearings are also packaged separately so that other vehicles can profit from a smoother ride. Compare your bearing size and replace your worn out bearings or bushings today!.