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Wheel description TR polyurethane tread; hardness 95+/-3 Shore A. Polyamide 6 centre. Plain bearing bore or roller 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 bearing housing is obtained by moulding and 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 top plate bracket type P Swivel top plate bracket type P. The plate, the ball rice ring and the fork are made of pressed steel zinc plated finish; swivel actions: double ball greased race with dust protection seal made of nylon. The king pin is made of steel bolt series 8.8 and nut. |