6" x 2" Cast Iron Wheel Kingpinless Rigid Caster - 1,400 Lbs Capacity overall-height-4-1/4 400 Link to Matching Rigid

400 Link to Matching Rigid Caster: P7008301202 Wheel Diameter: 8" Caster Rig Material Type: AISI 1045 Heat Treated Laser Cut Steel Tread Width: 3" Caster Rig Color/Finish: Bright Zinc Plated Wheel Type: Forged Steel Swivel or Rigid Caster: Swivel Wheel Bearing Type: Roller Bearings Swivel Radius: 6-15/16" Overall Height: 10-1/2" Swivel Construction: Kingpinless - 1/2" Ball Bearings in Precision Machined Raceway Temp Range: -45°F to 1300°F (Depending on Bearings) Mounting Plate: 5-1/4" x 7-1/4" Wheel Hardness: Rockwell 80B Bolt Hole Pattern: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8" Wheel Color: Silver Mounting Bolt Size: 1/2" or Smaller Link to Replacement Wheel: P0830020 Weight: 49 lbs

With reduced carbon content & additional steel blended into the casting

Caster Rig Material Type: Q235 Steel

Wheel Type: Ductile Steel Wheel Durometer:Rockwell 75B Overall Height:7-1/2" Swivel Radius:4-9/16"

Ductile steel wheels are the next level up in capacity and durability from cast iron wheels

6" x 2" Cast Iron Wheel Kingpinless Rigid Caster - 1,400 Lbs Capacity overall-height-4-1/4 400 Link to Matching Rigid6" x 2" Cast Iron Wheel Kingpinless Rigid Caster Part # P50062CIRB 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 wheels.