5" x 2-1/4" Solid Steel U-Groove Wheel - 600 Lbs Capacity Ground Support Equipment casters 7-3/4" x 2-1/2" Flanged Ductile

7-3/4" x 2-1/2" Flanged Ductile Steel Wheel - Part # 7FL9400DUP

Link to Matching Swivel Caster w/ Face Contact Brake:P51052CIRBFCB

Hub Length (with Bearings): 2"

Cast Iron is the metal wheel used by most unless a heavier capacity or greater impact strength metal wheel is needed

6" x 1-3/4" Forged Steel V-Groove Wheel Kingpinless Swivel Brake Caster - Part # P51062FVGTLB

5" x 2-1/4" Solid Steel U-Groove Wheel - 600 Lbs Capacity Ground Support Equipment casters 7-3/4" x 2-1/2" Flanged Ductile5" x 2 1 4" Solid Steel U Groove Wheel Part # PWMO50158 This U groove wheel is made out of cast iron providing low rolling resistance & good wear resistance. Cast Iron Wheels are a popular and cost effective choice for heavy duty applications. Their hard tread rolls easily and offers exceptional durability, making them ideal for tough environments. However, like most metal wheels, they can be harsh on floors and may cause damage over time. Please note