Zinc plated swivel castor with very strong top plate bracket made of welded steel with a combination of thrust ball bearing and taper roller bearing in swivel head, with dust protection ring.
Wheel with green convex elastic polyurethane moulded on cast iron centre.
Hardness of tread: 83° shore A
Bolted wheel axle.

High wear resistance and very good floor preservation, non-marking. The convex tread gives the wheel a low start, turning and rolling resistance. Good chemical resistance to many aggressive substances.
Can be equipped with a separate 4-way directional lock, part no. 920062.