PS90-050-S2/MU90-085
[PS] : PS-Series, High Precision, Inline Gearbox
[90] : Frame Size 90
[050] : Gearbox Ratio = 50:1 (double stage)
[S2] : Standard Backlash
[MU90] : 90mm Frame Universal Mounting Kit
[-085] : Pilot Ø80mm, PCD 100mm, Shaft Ø19x40mm (SMH82-flg.8)