Bort, Greapo 230 230-disc angle grinder gears pair 74*15-17*9-10

Angle grinder bevel gear pair d74(outer) x 15(inner) mm on a key and pinion h17.5 x d9(inner) mm with a through cross cut (armature slot) 10 mm wide, compatible with many grinders with 230 mm cutting disc like Bort, Greapo 230