Marklin 5936 - Curved Track R 1176 mm
The 5936 track has a spacing of 156 mm / 6-1/8" to the 5935 track.
This is the same as the track spacing when two 5976 or two 5977 turnouts are put together to form a crossover or when a 5976 or a 5977 turnout and a 5935 curved track are put together to form a parallel siding track