- Different kinds of flange widths - Adjustable to fit any tapered or flat-flanged beams - Safety lugs and bumpers - Suspender for close connected suspension and / or hook suspension type - Heat-treated steel wheels are hardened for long life Maintenance-friendly sealed ball bearings Smooth and reliable operation Improved Track Wheel Durability Specially Contoured Wheels Provide Security Pivot Mounted Side Plates Ensure Even Weight Distribution Ball Bearing Wheels Offer High Performance Capacity (Kg) / 3000 Flange width (mm) / 82-204 Min. radius for curve (mm) / 1700 Net weight (Kg) / 23