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Wheel description Standard rubber tread; hardness 85 +/-3 Shore A. Polypropylene centre. Plain bearing bore The plain bearing bore results from a hole in the material forming the centre of the wheel and contains the axle. Axle Axle composed of ground steel bush with bolt according to UNI EN 24017 and nut according to UNI EN 24032. Swivel castor with stem 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. |