Can be used continuously in High temperature environment - up to 230°C and maximum at 260°C. Aluminum brake system instead of normal plastic brake one for longer life time. The wheel will roll easily thanks to the ball bearings.
Very thick, that is true for both steel bracket and PA wheel. The caster itself is heavy and have strength to support up to few tons per caster. The Swivel head is combined of Flat and Cone Bearing so you will have no trouble operating.