Fan and power steering belt sizes - 230SL 1966

[Paul99]

Are the two belts the same size?  My UK car is a non air con, but power steering car. 

the two belts seems to be listed as the same size on various supplier lists.  ??

[WRe]

Hi,
Power Steering: 13x750
Alternator: 10x925 until end of 1968
Alternator: 10x940 from 1969
Air Condition: 13x1075
These measures are not absolute and with room for tolerance.
...WRe

[Paul99]

great, many thanks.