4" x 2" Ductile Steel Wheel Kingpinless Rigid Brake Caster - 1,500 Lbs Capacity caster-type-forged-steel This 1/2" I

This 1/2" I

Both a welded on option and a field installable bolt on option are available

Solid machined cup with integral 1/4-20 threaded stem

5" x 2" Cast Iron Wheel Rigid Brake Caster - Part # 146CIRB520RB

All four casters together give you a total capacity of 5000 lbs

4" x 2" Ductile Steel Wheel Kingpinless Rigid Brake Caster - 1,500 Lbs Capacity caster-type-forged-steel This 1/2" I4" 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