https://www.sew-eurodrive.com.uy/products/industrial_gear_units/helical_gear_units_bevel-helical_gear_units/helical_gear_units_m1/helical_gear_units_m1.html
Industrial gear units M1..N series helical gear units | SEW-EURODRIVE
Low-maintenance, foot-mounted industrial gear units with small gear ratio for the paper industry
industrial gear unitsserieshelicalsew