4" x 2" Forged Steel V-Groove Wheel Swivel Caster with Total Locking Brake - 1,250 Lbs Capacity backing plate Bearing ID: 1/2" Hub Length

Bearing ID: 1/2" Hub Length Installed: 2-5/16" Bearings OD: 1-3/16" Temp Range: -45˚F to 1

250 Link to Matching Rigid Brake Caster: 146DUCT420RB Wheel Diameter: 4" Caster Rig Material Type: AISI 1045 Steel Tread Width: 2" Caster Rig Color/Finish: Bright Zinc Plated Wheel Type: Ductile Steel Swivel or Rigid Caster: Swivel Wheel Bearing Type: See Bearings Options Swivel Radius: 3-3/16" Overall Height: 5-5/8" Swivel Construction: Double Ball Raceway - 5/8" Kingpin

it is perfectly fine to use it

8" x 2" Cast Iron Wheel Swivel Brake Caster - Part # 146CIRB820SB

For floor protective wheels

4" x 2" Forged Steel V-Groove Wheel Swivel Caster with Total Locking Brake - 1,250 Lbs Capacity backing plate Bearing ID: 1/2" Hub Length4" x 2" Forged Steel V Groove Wheel Swivel Caster with Total Locking Brake Part # 146FVG420SBTL Forged V Groove wheels are designed to guide equipment along inverted angle iron tracks but can also function without a track due to the tread on both sides of the V Groove. Made from forged steel, these wheels are the premium of all the steel wheel casters. The forged steel wheel is made from ASTM 1045 high carbon steel that is hot drop forged. It offers