A portable remote control key case including a first case shell and a second case shell that are securely fastened to each other. While the absence of a cage or retainers enable the bearing to have the maximum number of rolling elements and thus transfer greater loads, adjacent rolling elements contact each other. Thus, an enhanced energy conversion efficiency of the system is obtained. lock, close only, raise, and tilt to provide angular pivoting of window sash, that allow three levels of security, i.