Trolley Trolley Type Push Maximum Load Capacity 2 000 lb For Minimum Beam Flange Width 3 in For Maximum Beam Flange Width 6 in Headroom to Connecting Shaft 2 1/8 in Headroom to Mounting Point 6 in For Minimum Beam Height 5 in For Maximum Beam Height 18 in Includes FDA Approved Bearings Minimum Radius Curve 48 in Trolley Wheel Diameter 3 3/10 in Trolley Wheel Material Stainless Steel Standards ANSI/ASME B30.16