4" x 2" Cast Iron Wheel Kingpinless Swivel Brake Caster - 900 Lbs Capacity 2" threaded stem caster 500 Hub Length (Plain Bore):

500 Hub Length (Plain Bore): 3-11/16" Inner Wheel Diameter: 7-3/4"

These 3/4" I

Face Contact Brake: Designed for heavy duty casters

Link to Matching Rigid Caster:P5006201252

4" x 2" Cast Iron Wheel Kingpinless Swivel Brake Caster - 900 Lbs Capacity 2" threaded stem caster 500 Hub Length (Plain Bore):4" x 2" Cast Iron Wheel Kingpinless Swivel Brake Caster Part # P51042CIRBTLB Cast iron is the industry standard metal caster wheel used across a wide range of heavy duty applications. This wheel differs from traditional cast iron designs because it is classified as semi steel. With reduced carbon content & additional steel blended into the casting, it delivers improved capacities, strength, durability & impact resistance compared to standard cast iron