Part # PS90-005-S2/MU90-085
[PS] : PS-Series, High Precision, Inline Gearbox
[90] : Frame Size 90
[005] : Gearbox Ratio = 5:1 (single stage)
[S2] : Standard Backlash
[MU90] : 90mm Frame Universal Mounting Kit
[-085] : Pilot Ø80mm, PCD 100mm, Shaft Ø19x40mm (SMH82-flg.8) .