Trolley Trolley Type Push Maximum Load Capacity 4 000 lb For Minimum Beam Flange Width 3 5/16 in For Maximum Beam Flange Width 7 in Headroom to Connecting Shaft 2 1/8 in Headroom to Mounting Point 6 in For Minimum Beam Height 6 in For Maximum Beam Height 24 in Includes FDA Approved Bearings Minimum Radius Curve 60 in Trolley Wheel Diameter 3 3/10 in Trolley Wheel Material Stainless Steel Standards ANSI/ASME B30.16