NORD Drivesystems B2000 - Manual (Page 8)

2. Description of gear units
-8- B2000-GB-0413 www.nord.com
NORDBLOC helical gear units
Type designations:
SK 320, SK 172, SK 272, ..... SK 972 (2-stage)
SK 273, SK 373, ..... SK 973 (3-stage)
SK 072.1, SK 172.1 (2-stage)
SK 372.1, …. SK 672.1 (2-stage)
SK 373.1, …. SK 673.1 (3-stage)
SK 772.1, SK 872.1, SK 972.1 (2-stage)
SK 773.1, SK 873.1, SK 973.1 (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 radial 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
Standard helical gear units
Type designations:
SK 0, SK 01, SK 20, SK 25, SK 30, SK 33 (2-stage)
SK 000, SK 010, SK 200, SK 250, SK 300, SK 330 (3-stage)
Versions / Options
- Foot-mounted version
Z Output flange B14
XZ Base and output flange B14
XF Base and output flange B5
F Output flange B5
5 Reinforced output shaft
V Reinforced drive
AL Reinforced axial bearings
IEC Standard IEC motor attachment
NEMA Standard NEMA motor attachment
W With free drive shaft
VI Viton radial seals
SO1 Synthetic oil ISO VG 220