4" X 2" Swivel Caster with Semi-Steel Cast Iron Wheel | 700 Lbs Capacity

here   This is a medium duty caster 2 inch wide and 4 inches in diameter. Medium duty casters are well-known and widely-used for their reliability and functionality.  Useful in many industries from food service to retail to industrial, these casters can be fitted to the bottom of just about any cart, dolly, or equipment rack. Technical Specs Include: - Tensile Strength of 30,000 psi - Material Hardness of Brinell 145 - Can withstand temperatures from -45°F up to 600°F (-43°C to 315°C) - Weight capacity of 700 pounds - Top plate size of 4" by 4-1/2" -