NORD Drivesystems B2000 - Manual (Page 11)

2. Description of gear units
www.nord.com B2000-GB-0413 -11-
MINIBLOC worm gear units
Type designations:
SK 1S 32, SK 1S 40, SK 1S 50, SK 1S 63, SK 1SU... ,
SK 1SM 31, SK 1SM 40, SK 1SM 50, SK 1SM 63, (1-stage)
SK 2S32NB, SK 2S40NB, SK 2S50NB, SK 2S63NB,
SK 2SU…, SK 2SM40, SK 2SM50, SK 2SM63 (2-stage)
Versions / Options
- Foot mounting with solid shaft
A Hollow shaft version
V Solid shaft version
L Solid shaft both sides
Z Output flange B14
F Output flange B5
D Torque support
X Foot mounting
B Fixing element
IEC Standard IEC motor attachment
NEMA Standard NEMA motor attachment
W With free drive shaft
VI Viton radial seals
UNIVERSAL worm gear units
Type designations:
SK 1SI31, SK 1SI40, SK 1SI50, SK 1SI63, SK 1SI75,
SK 1SID31, SK 1SID40, SK 1SID50, SK 1SID63, SK 1SID75
SK 1SIS31,…, SK 1SIS75,
SK 1SD31, SK 1SD40, SK 1SD50, SK 1SD63,
SK 1SIS-D31,…, SK 1SIS-D63
SK 1SMI31, SK 1SMI40, SK 1SMI50, SK 1SMI63, SK 1SMI75
SK 1SMID31,…, SK 1SMID63 (1-stage)
SK 2SD40, SK 2SD50, SK 2SD63, SK 1SI…/31, SK
1SI…/H10,
SK 2SID40,…, SK 2SID63
SK 2SIS-D40,…, SK 2SIS-D63
SK 2SMI40, SK 2SMI50, SK 2SMI63
SK 2SMID40, SK 2SMID50, SK 2SMID 63 (2-stage)
Versions / Options
V Solid shaft or plug-in shaft
A Hollow shaft version
L Solid shaft both sides
X Feet on three sides
Z Output flange B14
F Output flange B5
D Torque support
H Covering cap
H10 Modular contrate pre-stage
/31 Worm pre-stage
/40 Worm pre-stage
IEC Standard IEC motor attachment
NEMA Standard NEMA motor attachment
W With free drive shaft
VI Viton radial seals
Double gear units consist of two single gear units. They are to be treated as per the instructions
in this Manual, i.e. as two individual gear units.
Type designation of double gear units: e.g. SK 73/22 (consisting of single gears SK 73 and
SK 22)