The Model-R from Moog is a Space Actuator with a resolution of 0.00094 inches and a stroke of 4.64 inches. This actuator has a force of 2000 lbf at 4.67 in/sec and a maximum force of 5,200 lbf. It requires a maximum current of 30 A and has a high axial stiffness of 295,000 lb/in. The actuator uses spherical ball rod ends and has a mass of 18.2 lbs. It incorporates 3-phase BLDC motors and high precision ball screw drive that provides extra fine resolution linear movement. The actuator is ideal for space applications.