4" x 2" Ductile Steel Wheel Swivel Brake Caster - 1,250 Lbs Capacity steel ball transfers Wheel Tread Shape:V-Groove Temp Range:

Wheel Tread Shape:V-Groove Temp Range: -45˚F to 600˚F Wheel Color:Black Weight: 12

Most commonly they are used by welding them to your equipment and then bolting a caster to it

Swivel Construction: Double Ball Raceway - Kingpin (w/ Dust Cover)

500 Link to Matching Swivel Caster: 26ES12 Wheel Diameter: 6" Caster Rig Material Type: Cold Rolled Steel Tread Width: 2" Caster Rig Color/Finish: Yellow Zinc Plated Wheel Type: Ductile Steel Swivel or Rigid Caster: Rigid Wheel Bearing Type: See Bearings Options Swivel Radius: N/A Overall Height: 7-3/8" Swivel Construction: N/A Temp Range: -40°F to 800˚F Mounting Plate:  5" x  5-1/2" Wheel Hardness: Rockwell 74B Bolt Hole Pattern:  4-1/8" x 4-1/2" Wheel Color: Red Mounting Bolt Size: 3/8" or Smaller Link to Replacement Wheel: LDS620 Weight: 9

This BBQ Caster kit contains two swivel with brake casters with (6 in

4" x 2" Ductile Steel Wheel Swivel Brake Caster - 1,250 Lbs Capacity steel ball transfers Wheel Tread Shape:V-Groove Temp Range:4" x 2" Ductile Steel Wheel Swivel Brake Caster Part # 146DUCT420SB Manufactured from a high strength steel alloy, ductile steel offers improved capacity, durability & impact resistance compared to standard cast iron wheels. Ductile steel provides approximately 45,000 PSI tensile strength & features a thicker tread, spokes & hubs to withstand abusive industrial applications. Its moderately crowned tread design further reduces friction during rolling,