4"x2" Caster Replacement Wheel, Solid Polyurethane Wheels, Heavy Duty Caster-750LB Capacity, Roller Bearing-1/2" Bore, No-Marking, Resistant Chemicals（2 Pack Blue）

• Expertly crafted and engineered for superior performance
• No risk of tread separation, corrosion, water absorption, or leaving marks on floors
• Highly resistant to a wide range of chemicals, oils, acids, greases, and other contaminants
• Ideal for environments requiring frequent washing or where water exposure is prevalent

Wheel bearing also available in : Delrin or roller bearings. Feel feel to contact us for wheel customization.