- 4 -
RN-RO-RV Gearboxes
GENERAL SPECIFICATIONS
Range
6 sizes; 30 ratios in 2 and 3 stages; 3400 Nm max. output torque
Sizing
According to ISO6336/DIN3990. 15,000 hrs average lifetime with service factor SF1
Housing, Covers
Pressure die cast aluminium AlSi12Cu2Fe up to size 3 and cast iron G25 from size 4
Coupling G input
Pressure die cast aluminium AlSi12Cu2Fe for sizes 3, 5, 6 and alloyed steel from size 8
Toothed parts
Steel 20MnCr5 case hardened. Tooth profile ground or shaved. Run-in bevel gears
Shafts & Keys
Steel 39NiCrMo3; Shafts h6 - Bores E8; Keys according to DIN6885 B1
Bearings
Ball- or roller-types according to sizes and technical requirements
Oil seals
Type NB - nitril-butadiene with additional anti-dust lip according to DIN 3760
Lubricant
Synthetic long-life oil; Grade ISO VG 320
Powder coating
Aluminium until size 3 and Epoxy powder paint Standard colour RAL 7012 from size 4
Description
Bevel/Helical Gearboxes, 90 Degree Input -Series RO
Multipurpose
Housing
Foot & Foot/Flange Mountings
One housing for 3-stages
Housing & Covers
Input
Aluminium die cast (3 sizes);
NEMA and IEC motor adapters
Grey cast iron (3 sizes).
with universal elastic coupling
or customary bore and keyway.
Gearing
Oil seals
20MnCr5 alloy steel;
NBR - Nitrile Butadiene Rubber
Case hardened.
as standard;
Profile ground or shaved.
Viton and Silicone on request.
Bearings
Output
Ball or roller types;
Solid shafts,
according to sizes
metric and imperial
.
and technical requirements
.
Lubrication
Synthetic long-life oil; Grade ISO VG 320
.
No oil/vent plugs
.
In-house filling
.