4" x 2" Ductile Steel Wheel Kingpinless Rigid Brake Caster - 1,500 Lbs Capacity caster-type-forged-steel check out our tin bronze

check out our tin bronze bushings

Mounting Plate: 4" x 4-1/2"

& larger hub diameter compared to the standard cast iron

This 1/2" I

With reduced carbon content & additional steel blended into the casting

4" x 2" Ductile Steel Wheel Kingpinless Rigid Brake Caster - 1,500 Lbs Capacity caster-type-forged-steel check out our tin bronze4" x 2" Ductile Steel Wheel Kingpinless Rigid Brake Caster Part # P50042DUCTTLB 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