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Wheel description Non-marking blu elastic rubber wheels; hardness 70 Shore A. Polyamide 6 centre. Plain bearing, roller bearing or ball bearing bore The plain bearing bore results from a hole in the material forming the centre of the wheel and contains the axle. In the roller bearing bore, the housing is obtained by moulding and contains cylindrical roller bearings with polyamide 6 cage. In the ball Axle Axle composed of ground steel bush with bolt according to UNI EN 24017 and nut according to UNI EN 24032. Swivel top plate bracket type NL with front lock Swivel top plate bracket type NL. The plate, the ball rice ring and the fork are of pressed steel zinc plated finish; swivel actions: double ball greased race with dust protection seal made of polyethilene. The king pin is integral with top plate and duly rivetted. The front brake is necessary to lock wheel and top plate rotation. |