I can't remember the exact count (think it might be 9 and 11), but having overhauled several sets of Lyotard pedals I know that there are not an even number of bearings on each side.
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1971 Paramount P-13 Chrome
1973 Paramount P-15 Opaque Blue
1974 Raleigh Professional Blue Mink
1991 Waterford Paramount
Holland Titanium Dura Ace Group
Holland Titanium Ultegra Triple Group