NORD Drivesystems B1050 - Manual (Page 5)

2. Description of Gear Unit
-6- B1050-GB-0213 www.nord.com
2. Description of gear units
2.1 Type designations and gear unit types
Helical gear units
SK 7207, SK 8207, SK 9207, SK 10207
SK 11207, SK 12207, SK 13207, SK 15207
(2-stage)
SK 7307, SK 8307, SK 9307, SK 10307
SK 11307, SK 12307, SK 13307, SK 15307
(3-stage)
Bevel helical gear units
SK 7407, SK 8407, SK 9407, SK 10407
SK 11407, SK 12407, SK 13407, SK 15407
(3-stage)
SK 7507, SK 8507, SK 9507, SK 10507
SK 11507, SK 12507, SK 13507, SK 15507
(4-stage)
Versions / Options
- Foot mounting with solid shaft
A Hollow shaft version
B Fixing element
CC Integrated cooling coil
CS1 Cooling system oil / water
CS2 Cooling system oil / air
D Torque support
EA Hollow shaft with internal spline
ED Elastic torque support
EV Solid shaft with internal spline
EW Drive shaft with internal spline
F Block flange
FAN Fan
FK Collar flange
F1 Drive flange
H Covering cap as contact guard
IEC Standard IEC motor attachment
L Solid shaft both sides
LC Lubricant circulation
MC Motor bracket
MF.. Motor base frame
…B with brake
…K with elastic coupling
…T with hydrodynamic coupling
MS.. Motor swing base
…B with brake
…K with elastic coupling
…T with hydrodynamic coupling
MT Motor mount
NEMA Standard NEMA motor attachment
OA Oil expansion vessel
OH Oil heater
OT Oil level tank
R Back stop
S Shrink disc
V Solid shaft
VL Reinforced bearings
VL2 Agitator version
VL3 Drywell agitator version
W Free input shaft
W2 Two drive shaft journals
W3 Three drive shaft journals
WX Auxiliary drive unit
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 13307/7282 (consisting of single gears SK 13307 and SK 7282)