500mm MGN9 Linear Guide Rail High Accuracy Bearing Steel Anti Slip Linear Guide with MGN9C Blocks for 3D Printer Item Type: Linear Guide Rail Material: Bearing Steel Product Length: Approx. 500mm / 19.69in Width: Approx. 9mm / 0.35in Thickness: Approx. 6.5mm / 0.26in Installation Hole Diameter: Approx. 3mm / 0.12in Spacing: Approx. 20mm / 0.79in Basic Dynamic Rated Load: C: 1.86 (k/N) C0: 2.55 (k/N) Allowable Static Moment: MR: 11.76 (N-m) MP: 7.35 (N-m) My: 7.35 (N-m) Sliding Trajectory: Linear guide rail Number of Sliders: 2 Accuracy Level: H Fixing Method of Slider: Locked type Features: 1. The MGN series is small in size and lightweight, making it particularly suitable for small scale equipment use; 2. The slider and slide rail are made of bearing steel, which has the characteristics of bearing steel, anti slip, and durable 3. Adopting a Gothic four point contact design, it can withstand loads in all directions and has strong rigidity and high accuracy 4. Equipped with a steel ball holder design, it has interchangeability with allowable accuracy.