18 inch travel linear stage with anti-backlash lead-screw assembly, profiled linear rails, and four (two per rail) linear bearings Motor Mount: Standard NEMA 23 LPS-18-20SPECIFICATIONS Unit Weight 8.4 lb. Moving Mass 1.331 lb. Travel Length 18.77 in. Screw Inertia 2.185E-05 lb.-in.-sec.2 Axial Moment (Mo) 180.50 in.-lb Perpendicular Moments (Mx & My) 97.21 in.-lb. Maximum Dynamic Load 20 lb. Payload 18.669 lb. Drag Torque 3 oz.-in. Standard Lead 1.0 in./rev. Linear Speed 20 in./sec. Leadscrew Efficiency 83% Bidirectional Repeatability 0.0005 in. OPTIONAL ACCESSORIES LPS-MFT Mounting Foot LPS-xLS Dual Position Limit / Home Sensors LPS-MCH Manual Crank Handle LPS-MSH Motor Shaft Crank Handle - fits 1/4" rear motor shaft LPS-ZB Z-axis Bracket DATASHEET DOWNLOAD