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Roller description TR polyurethane tread; hardness 95*/-2 Shore A. Weldless steel centre. Ball bearing bore or bore without bearings The housing is obtained by mechanical turning of a steel tube and contains ball bearings series Z. The hub is available also without bearings. 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. |