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Wheel description TR polyurethane tread; hardness 95 +/-3 Shore A. Cast iron centre. Ball bearing bore The housing is obtained by moulding and turning and contains ball bearings series Z. Axle Axle composed of ground steel bush with bolt according to UNI EN 24017 and nut according to UNI EN 24032. Fixed bracket EE MHD Fixed bracket type EE MHD, with a plate made of forged steel and a fork with two drawn sides electrowelded to the flange. |