Nylon casters with protecting cover About Industrial 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. Product parameters Wheel Material Wheel Diameter (mm) Wheel Width (mm) Height (mm) Load capacity (kg) Bearing Eccentricity (mm) Plate size and installation hole spacing (mm) Nylon 100 50 135 260 6203 35 Plate size: 114*98 Instakkation hole: 85*70 125 50 160 300 6203 39 150 50 190 350 6203 45 200 50 235 380 6203 56 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.Wecanreceivetheorderwhateverquantitydoyouneed. 6. Under normal conditions, Three years all products warranty.