Example of designation of the ATT type coupling with the nominal torque of Mn=1600 Nm, brake disc diameter of DH=500 mm, thickness of B=30 mm, distance of the brake disc symmetry axis from the hub origin of LH=74 mm, hub holes diameters of d1=50 mm, d2=60 mm, hub holes lengths of l1=90 mm, l2= 110mm, size of 084 in the C variant:
1600-500x30-74-50/90-60/110-084 ATT-C Disc coupling