4" x 2" Ductile Steel Wheel - 1,500 Lbs Capacity steel ball transfers Wheel Type:Ductile Steel V-Groove Wheel

Wheel Type:Ductile Steel V-Groove Wheel Diameter:6" Tread Width:3" Hub Length (without Bearings):

Integral flange at top allows unit to be dropped into 1-3/4" diameter hole

Forged steel wheel casters are the premium of all the steel wheel casters

300˚F (Dependent upon 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: P063002039 Weight: 25 lbs

and polyolefin wheels

4" x 2" Ductile Steel Wheel - 1,500 Lbs Capacity steel ball transfers Wheel Type:Ductile Steel V-Groove Wheel4" x 2" Ductile Steel Wheel Part # LDS420 Ductile steel has similar capacities, impact strength, and durability when compared to forged steel wheels, but is more economically priced. Ductile steel is a combination of alloys that provide a much higher weight capacity than cast iron wheels, but not quite the capacity and durability of forged steel wheels. While ductile steel is very resilient, it is tough on floors and could lead to floor damage. For