MXU - Swivel Plate 150mm Urethane & Cast Iron Hub Castor Blue nylon is resistant to a

nylon is resistant to a lot of common chemicals

It has a load capacity of 500kg and the wheel is made of cast iron

The HCR75/F castors are a light duty economical castor with a 75mm wheel diameter and a 80kg load capacity

The castor frame is made of a strong steel construction

MXU - Swivel Plate 150mm Urethane & Cast Iron Hub Castor Blue nylon is resistant to aDescription This castor is an extra heavy duty castor manufactured from heavy pressed steel with a heavy fork and top plate bolted by a strong king bolt, giving it an impressive 750kg load capacity. The castor frame has a double ball bearing headrace reinforced by 4 hardened bearing seats, resulting in high impact and shock resistance. The castor wheel is a Urethane Cast Iron wheel with precision ball bearings and a grease nipple for easy maintenance.