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3
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Gearboxes Series RD
GENERAL SPECIFICATIONS
Range
7 sizes
28 ratios in 2 and 3 stages
Sizing
According to ISO6336/DIN3990.
15,000 hours average lifetime with service factor SF1
Housing, Covers
Pressure die cast aluminium
AlSi12Cu2Fe up to size 4 and cast iron G25 from size 5.
Toothed parts
Steel 20MnCr5 case hardened.
Tooth profile ground or shaved
Shafts & Keys
Steel 39NiCrMo3
Shafts h6 - Bores E8
Bearings
Ball- or roller-types
according to sizes and technical requirements
Oilseals
Type NB - nitrile-butadiene
with additional anti-dust lip
Lubricant
Synthetic long-life oil
Grade ISO VG 320
Powder coating
Epoxy powder paint from size 5.
Standard colour RAL 7012
Execution ATEX
II 2 GD ck IP66
T
max
=135 °C
Product description