3" x 1-1/2" Cast Iron V-Groove Wheel - 350 Lbs Capacity overall-height-8-1/2 } } Capacity: 1

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5" x 2" Ductile Steel Wheel Rigid Brake Caster - Part # 146DUCT520RB

and is more economical than drop forged steel

8" x 3" Ductile Steel V-Groove Wheel Rigid Caster - Part# P7008301262-W

3" x 1-1/2" Cast Iron V-Groove Wheel - 350 Lbs Capacity overall-height-8-1/2 } } Capacity: 13" x 1 1 2 Cast Iron V Groove Wheel Part # LVG315 V groove wheels are designed to guide equipment by rolling on inverted angle iron track, however, they can also operate off the track thanks to the tread on either side of the v groove. Cast Iron is the standard 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 &