Designed to fit Spanmaster trolley 16-109A,(flangeless wheel) on 100 and 200 series 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.