General description The Mophorn SBR20 Linear Guide Rail Set is designed to enhance precision and efficiency in your automated projects. This comprehensive set includes 2 sturdy aluminum guide rails and 4 precision-crafted slide blocks, ensuring smooth, noise-free, and highly accurate operation. Each component is meticulously crafted for long-lasting durability and a perfect fit for various applications. Technical specifications Slide Block Size (L x W x H): 50 x 48 x 39 mm (2 x 1.9 x 1.5 in) Guide Rail Length: 1200 mm (47.2 in) Mounting Hole Distance A: 35 mm (1.4 in) Dynamic Load (per block): 882 N Static Load (per block): 1370 N Slide Block Model: SBR20UU Material: High Carbon Steel & Aluminum Mounting Hole Distance B: 35 mm (1.4 in) Shaft Diameter: Φ20 mm Product Dimensions (L x W x H): 1200 x 90 x 36.3 mm (47.2 x 3.5 x 1.4 in) Package Size (L x W x H): 1310 x 145 x 80 mm (51.6 x 5.7 x 3.1 in) Net Weight: 9.2 kg (20.3 lbs) Model Number: SBR20-C 1200L Package Content 4 x SBR20UU