13mm High-Load Trolley with 2X M4 Tapped HolesThis trolley features recirculating ball bearings housed in strong, lightweight, corrosion-resistant aluminum for dependable, low-friction linear travel. Use for moving loads and equipment, hoisting, and moving stage equipment, and architectural solutions.Features: High-load trolley with two M4-tapped holes on top TorlonA(R) ball bearings handle high loads, reducing friction so the trolley moves smoothly along the rail Retaining clips keep ball bearings captive when the trolleys are removed for maintenance Specifications: Length (mm): 56 mm Length (in): 2-3/16 in Width (mm): 40 mm Width (in): 1-9/16 in Weight (g): 57 g Maximum Rated Load (kN): 1.4 kN Height (mm): 19 mm Height (in): 3/4 in Weight (oz): 2.01 oz Breaking Load (kN): 6.7 kN .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }