Helical gear reducer STON series
parallel-shaft20 - 50 Nm200 - 500 Nm

helical gear reducer
helical gear reducer
helical gear reducer
helical gear reducer
helical gear reducer
helical gear reducer
helical gear reducer
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Shaft orientation
20 - 50 Nm, 200 - 500 Nm, 100 - 200 Nm, 50 - 100 Nm, 500 - 1000 Nm, 1 - 2 kNm, 2 - 5 kNm, 5 - 10 kNm
for shaft
Other characteristics
industrial, modular, flange, shaft-mounted, mounted
Rotational speed

Min.: 650 rpm (4,084.07 rad.min-1)

Max.: 2,900 rpm (18,221.24 rad.min-1)


Min.: 0.13 kW (0.18 hp)

Max.: 30 kW (40.79 hp)


for shaft mounting too. Monolitic iron body. Max 700Nm STON is the new parallel shaft and shaft mounted gearbox. In cast-iron monolithic body. 3 sizes, with a capacity of up to 700Nm. MADE IN ITALY uniquely contoured, rigid, precise, monobloc, cast iron Body, Base and flange ensure extreme robustness. a modular design with detachable output flange and integral feet permits the easy and fast conversion between flange or foot mounting unique construction of ston makes it possible to mount any size in any position. this flexibility is achieved by: + ZZ autolubricating bearings on input and output shaft + mechanical parts locked in their positions by snap rings.this also ensures better absorbtion of axial thrust and prolongs the life of bearings 2 or 3 reduction stages inside the same body, in order to have a wider and more reliable range of ratios iec flange and hollow shaft. choice of hollow input flanges permits direct mounting of any standard motor 5 interchangeable plugs, including one breather plug and a level plug please note that the vent plug also allows you to reduce the internal pressure on seals, and thus increases the efficiency of the gearbox


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.