6" x 3" Flat Tread Ductile Steel Wheel - 6,000 Lbs Capacity overall-height-4-1/4 Ductile steel is a combination

Ductile steel is a combination of alloys that give it a much higher weight capacity than standard cast iron wheels

Wheel Diameter:125 mm (4

Wheel Bearing Type: See Options Swivel Radius: 4" Overall Height: 7-1/2" Swivel Construction: Double Ball Raceway - 5/8" Kingpin Temp Range: -45°F to 600°F  Mounting Plate: 4" x 4-1/2" V-Groove Width: 7/8" Bolt Hole Pattern: 2-5/8" x 3-5/8" slotted to 3"x 3" V-Groove Depth: 7/16" Mounting Bolt Size: 3/8" or Smaller Link to Replacement Wheel: QVGR6MO Weight:  10

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Designed to be used with 3" wide wheels with a 1-15/16" plain bore that have a 3-1/4" hub length

6" x 3" Flat Tread Ductile Steel Wheel - 6,000 Lbs Capacity overall-height-4-1/4 Ductile steel is a combination6" x 3" Flat Tread Ductile Steel Wheel Part # LDS60LR85 Ductile steel wheels offer comparable strength, impact resistance, and durability to forged steel wheelsat a more affordable price. Made from a blend of high performance alloys, they support significantly more weight than cast iron wheels, though slightly less than forged steel. While ductile steel is extremely tough and resilient, it can be harsh on floors and may cause damage over time. For