12 x 3 Heavy-Duty Kingpinless Swivel Caster with Polyurethane & Cast Iron Wheel

  
These 12" x 3" casters feature a kingpinless style design, roller bearings, 3/4" axle, 15-1/2" overall height and a 3500# load capacity. The 7-1/4" x 5" top plate has a bolt hole spacing of 3.375 x 5.25 slotted to 4.125 x 6.125 and is secured using 1/2 bolts (not included). These casters are well suited for towing applications where shock loads are present. In addition, they may be usied for dough troughs, high capacity die tables, machinery dollies, corrugated steel box trucks, heavy portable storage racks, aircraft maintenance stands, and aircraft crew stairs.