The G4 37000 Series Can-stack Stepper Motor Linear Actuator by Haydon Kerk Motion Solutions, Inc, Waterbury, CT, is a 36mm linear actuator. Features include optimized stator tooth geometry, neodymium magnets, an oversized output spline, engineered plastics, and larger ball bearings for rotor support and high axial loading capability.  The G4 37000 Series provides a high linear force-to-size ratio and is for precision linear motion in medical equipment, bar code scanning devices, printing equipment, laboratory instrumentation, and other mechanisms requiring high force and durability. Three configurations are available: captive, non-captive, and external linear.