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Material: grey cast iron GG25.

Hub unfinished and without bore, some with core hole.
Matching chains in accordance with DIN 766 A.

All dimensions and weights ca.

SKU da [mm] d [mm] b [mm] ND [mm] L [mm] B approx. [mm] Weight [kg]
77040400 56 41 23 40 30 8 0,3
77040800 96 81 23 50 35 8 1,0