4" x 1-1/4" Semi-Steel Wheel Swivel Brake Caster with 1/2" Threaded Stem - 350 Lbs Capacity

4" x 1-1/4" Semi-Steel Wheel Swivel Brake Caster with 1/2" Threaded Stem - Part # Q504022STLTLB Metal wheels are the most durable and longest lasting type of caster wheel available in this size. However, while metal wheels are very strong and durable, they are rough on floors and could lead to floor damage. For floor protective wheels, be sure to check out our polyurethane, rubber, and polyolefin wheels. Specifications:  Load Capacity (lbs.): 350 Link to Replacement Wheel: LSS414 Wheel Diameter: 4" Caster Rig Color/Finish: Silver Zinc Plated Tread Width: 1-1/4" Swivel or Rigid Caster: Swivel Wheel Type: Cast Iron Swivel Radius: 3-13/32" Wheel Bearing Type: Plain Swivel Construction/Diameter: Kingpin Overall Height: 5" Temp Range: -40°F to 600˚F Stem Size: 1/2" Wheel Hardness: Brinell 145 Stem Length: 1-1/2" Wheel Color: Silver Stem Thread Pitch: 13 Weight: 2.59 lbs.