Heavy Duty Iron Caster About Heavy-duty Iron caster Cast Iron Industrial Castor Wheels is cast iron. The cast iron withgood fluidity, casting surface is smooth.Cost is relatively low, In addition,cast iron wear, oil storage capacity is higher, easy to do sets.Cast iron with good compressive strength and shape-keeping ability. Rotation Caster Product parameters Wheel Material Wheel Diameter (mm) Wheel Width (mm) Height (mm) Load capacity (kg) Bearing Plate size and installation hole spacing (mm) Iron 100 50 150 800 6204 Plate size: 140*110 Instakkation hole: 117*80 125 50 175 800 6204 150 50 196 800 6204 200 50 250 800 6204 Service 1. According to your detail inquiry of different caster wheels, we will give our price within 12 hours, whatever is weekend. 2. According to your requests or minds, give our price or provide samples to you for testing. 3. Provide free design for you according to your actual need. 4. Although we only do business on caster wheels, we could help our clients to find the related products suppliers in China mainland. 5.We can receive the order whatever quantity do you need. 6. Under normal conditions, Three years all products warranty.