Ball Screw Linear Actuator 2N42A-3200-024-000-ABXR NEMA 42 Motor Mount, Plain Linear Bearings on 2" Steel Shafts of 24" LengthBall Screw Linear Actuator with 2" ID plain linear bearings and a NEMA 42 Motor Mount. Carriage base plate is on 4 Simplicity plain linear bearing pillow blocks riding on 2 Alloy Steel Shafts of 24" length. Tall profile linear slide with base plate, ball screw driven Alloy Steel shaft material with 2 inch nominal diameter Driving mechanism: N23 motor mount Bearing Type: Plain Linear Bearing Self Lubricating Bearing Liner: FrelonGOLD is standard