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Wheel description TR polyurethane tread; hardness 95+/-3 Shore A. Polyamide 6 centre. Plain bearing bore or stainless steel 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 stainless steel cylindrical roller bearings with polyam Stainless steel axle Axle composed of ground AISI 304 stainless steel bush, with stainless steel bolt according to UNI EN 24017 and stainless steel nut according to UNI EN 24032. Swivel top plate bracket type PX Swivel top plate bracket type PX. The plate, the ball rice ring and the fork are made of AISI 304 stainless steel; swivel actions: double ball greased race of AISI 304 stainless steel with dust protection seal made of nylon. The king pin is made of A2 stainless steel bolt and AISI 304 stainless steel nut. |