4" x 2" Ductile Steel Wheel Kingpinless Swivel Brake Caster - 1,500 Lbs Capacity wheel-diameter-3-1/2-inch } } Capacity:660 lbs

} } Capacity:660 lbs

1-15/16" Plain Bore

Wheel Type: Ductile Steel

For a metal wheel with similar capacities and durability

Link to Matching Swivel Caster w/ Face Contact Brake: P51042DUCTFCB

4" x 2" Ductile Steel Wheel Kingpinless Swivel Brake Caster - 1,500 Lbs Capacity wheel-diameter-3-1/2-inch } } Capacity:660 lbs4" x 2" Ductile Steel Wheel Kingpinless Swivel Brake Caster Part # P51042DUCTTLB Manufactured from a high strength steel alloy, ductile steel offers improved capacity, durability & impact resistance compared to standard cast iron wheels. Ductile steel provides approximately 45,000 PSI tensile strength & features a thicker tread, spokes & hubs to withstand abusive industrial applications. Its moderately crowned tread design further reduces friction