6" x 1-1/2" Double Flanged Cast Iron Wheel - 500 Lbs Capacity (Discountinued) overall-height-6-1-2 4" x 2" Cast lron

4" x 2" Cast lron V-Groove Wheel Swivel Caster - Part # 146VIRB420S

Wheel Type: Forged Steel Swivel or Rigid Caster: Swivel Wheel Bearing Type: Ball Bearing

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6" x 3" Forged Steel Wheel P80 Swivel Caster - Part # P8006301201

Link to Matching Rigid Caster:P50042DUCT

6" x 1-1/2" Double Flanged Cast Iron Wheel - 500 Lbs Capacity (Discountinued) overall-height-6-1-2 4" x 2" Cast lron6" x 1 1 2" Double Flanged Cast Iron Wheel Part # PFD051011201 Cast Iron is the metal wheel used by most unless a heavier capacity or greater impact strength metal wheel is needed. For applications requiring more capacity or impact strength, check out the ductile steel & forged steel wheel caster options. Popular selection for airplane hangar doors. Specifications: Capacity (lbs.): 500 Hub Length (Plain Bore): N A Wheel Diameter: 6" Hub Length (with