The CRA1 rack & pinion rotary actuator offers very high torque-to-size and accurate positioning. Bore sizes are 30, 50, 63, 80 and 100mm. Units may be ordered auto-switch capable and with cushions. Dimensions range from 3" X 4" X 2" to a maxi, Actuator, Rotary, Rack & Pinion Type, ROTARY ACTUATOR, 513, 8.3 lb