Grey non-marking thermoplastic rubber wheels hardness 85 Shore A polypropylene centre

Plain bearing bore

Hub with double shielding ball bearing co-printed in centre.

Swivel castor NL with Zamak expander front lock

The plate ball race ring and fork are of pressed steel zinc plated finish; swivel actions: double ball greased race. The king pin is integral with top plate and duly rivetted. Expander in Zamak alloy. Front lock

Wheel diameter: 80mm

Wheel width: 30mm

Overall height: 109mm

Brake swept radius: 120mm

Stem diameter: 20mm

Stem length: 70mm

Load capacity at 4km/h: 70kg