SMC CDRA1BSU50-180U-A54-X10 MSRP: Now: $411.00 Was: The Cra1 Rack And Amp; 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... CDRA1BSU50-180U-A54-X10