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Wheel description Standard non-marking rubber tread; hardness 80 Shore A. Centre made of two riveted galvanized pressed steel discs. Bush bearing bore or roller bearing bore In the bush bearing bore, the hub contains a bush made of polyamide 6 with molybdenum disulphide to make it self-lubricating. In the roller bearing bore, the bearing housing contains cylindrical roller bearings with polyamide 6 cage. Axle Axle composed of ground steel bush with bolt according to UNI EN 24017 and nut according to UNI EN 24032. Swivel bracket with bolt hole type NL Swivel bracket with bolt hole type NL. The plate 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. |