Designed to fit Louden* trolleys 403.7502, and 403.15004 (flangeless wheel) on 3.33" track. Regreasable
or Nonregreasable wheel assembly Replacement Parts wheels are made from high strength steel or, per
customer's specifications and the treads and flanges are induction hardened to Rockwell 45 to 50. The
wheel bearing bores are remachined after the wheels have been heat treated to assure proper
concentricity. High quality precision ball or roller bearings are used on a machined steel axle to assure
long life and easy rolling.