NORD Drivesystems B2000 - Manual (Page 7)

2. Description of gear units
www.nord.com B2000-GB-0413 -7-
2 Description of gear units
2.1 Type designations and gear unit types
Helical gear units
Type designations:
SK 11E, SK 21E, ..... SK 51E (single-stage)
SK 02, SK 12, ........ SK 52, SK 62N (2-stage)
SK 03, SK 13, SK 23, SK 33N, SK 43, SK 53 (3-stage)
Versions / Options
- Foot-mounted version
F Output flange B5
XZ Base and output flange B14
XF Base and output flange B5
VL Reinforced bearings
AL Reinforced axial bearings
IEC Standard IEC motor attachment
NEMA Standard NEMA motor attachment
W With free drive shaft
VI Viton radial seals
OA Oil expansion vessel
SO1 Synthetic oil ISO VG 220
Helical gear units
Type designations:
SK 62, SK 72, SK 82, SK 92, SK 102 (2-stage)
SK 63, SK 73, SK 83, SK 93, SK 103 (3-stage)
Versions / Options
- Foot-mounted version
F Output flange B5
XZ Base and output flange B14
XF Base and output flange B5
VL Reinforced bearings
IEC Standard IEC motor attachment
NEMA Standard NEMA motor attachment
W With free drive shaft
VI Viton radial seals
OA Oil expansion vessel
SO1 Synthetic oil ISO VG 220