3/4″ Delrin Bearing DLBRG56 Delrin bearings are maintenance free and very strong and have no moving parts
8″ Swivel Polyolefin Kingpinless Top Plate 4-1/2 x 6-1/4 74PO80 Offset raceway design, heat treatment and tampering processes allows these casters to carry the maximum weight of the bearing used Unsurpassed durability Use in abusive and demanding shock load applications that may cause traditional kingpin casters to fail
