4 inch rubber castor

4 inch rubber castor Key Features: • 4-inch diameter soft rubber wheel for smooth, quiet rolling on hard floors • Non-marking gray rubber compound protects floor surfaces from scuffs and scratches • 50A durometer rating provides excellent shock absorption and vibration damping • Precision ball bearing hub ensures effortless, long-lasting rolling performance • Supports a load capacity of 105 pounds per wheel for medium-duty applications • Compatible with standard 5/8-inch axle diameter and 1.5-inch hub length • Ideal for healthcare, institutional, educational, and office environments • Easy-to-install replacement wheel for a wide range of existing caster frames • Reduces noise levels in sensitive environments like hospitals and libraries • Provides better traction and control compared to hard plastic or metal wheels