5" x 1-1/4" Semi-Steel Wheel Swivel Caster with 1/2" Threaded Stem - 350 Lbs Capacity bolt-hole-pattern-2-5/8-x-3-5/8-slotted-to-3-x-3 300˚F Mounting Plate: 6-1/4" x

300˚F Mounting Plate: 6-1/4" x 7-1/2" Wheel Hardness: Rockwell 80B Bolt Hole Pattern: 4-1/2" x 6" to 4-1/8" x 6-1/8" Wheel Color: Silver Mounting Bolt Size: 1/2" or Smaller Link to Replacement Wheel:  P063002039 Weight: 42

it is the harshest wheel type for floors and could lead to floor damage

Air Cargo and Ground Support

Wheel Diameter:6"

5" x 1-1/4" Semi-Steel Wheel Swivel Caster with 1/2" Threaded Stem - 350 Lbs Capacity bolt-hole-pattern-2-5/8-x-3-5/8-slotted-to-3-x-3 300˚F Mounting Plate: 6-1/4" x5" x 1 1 4" SEMI STEEL WHEEL SWIVEL CASTER WITH 1 2" THREADED STEM Part #: Q525021STL 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 & forged steel wheel caster options. Please note that all 2 wide wheels are heavy duty cast iron & come with thicker treads, stronger spokes, & larger