Operating Instructions
2K120/2K121
Application
and
Design
9
2.4
Technical data
Nominal power
max. 19 kW
Nominal speed
1500 rpm
Input torque
(continuous operation): max. 120 Nm
Max. speed
in ratio i
≠
1
8000 rpm
in direct drive i=1
(with gearbox
oil cooling)
12000 rpm
See chap. 3.7.3.2 “Ports and connections for
recirculating lubrication” (values apply as of
01/2004).
NOTE
When using engine brakes/counterflow to brake
the spindles (e. g. emergency stop) ensure that
the moments of inertia do not exceed the
admissible output torques. Braking times must be
adapted accordingly.
Standard fixing dimension (in mm)
in accordance with EN 50347: 2001
Two-speed
gearbox
2K120
FF215
2K121
FF265
Motor size
100
112
h 100
112
d 28/32/38
28/32/38
l 80±0.1
80±0.1
b 180
230
e
2
215
265
a
1
– –
s
2
14
14
Nominal input torque
(continuous operation) max. 120 Nm
Max. output torque
i = 1.00
120 Nm
i = 3.16
379 Nm
i = 4.00
480 Nm
i = 4.91
589 Nm
Weight
approx. 42 kg (2K120)
approx. 52 kg (2K121)
Standard type plate
(affixed to gearbox housing)
ZF FRIEDRICHSHAFEN AG
MADE IN GERMANY
TYPE
PARTS LIST
RATIO
SERIAL-NO.
BACKLASH
MAX.
INPUT TURN RPM
POWER MAX.
AT RPM KW
INPUT
TORQUE NM
OIL GRADE
OIL
QUANTITY
SHITING V
UNIT W
i , - ,
MIN.
S2
a1
d b
h
l
