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2 Models and External Dimensions
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
2-
4 Exte
rn
al an
d Mou
n
ting
Dimen
sion
s
2
2-
4-2 Ser
vo
m
otor Dimensio
ns
z
1 kW/1.5 kW/2 kW (without Brake)
R88M-1M1K020C(-O/-S2/-OS2)/R88M-1M1K520C(-O/-S2/-OS2)
R88M-1M2K020C(-O/-S2/-OS2)
Note The standard shaft type is a straight shaft. Models with a key and tap are indicated with “S2” at the end of
the model number.
Models with an oil seal are indicated with “O” at the end of the model number.
Shaft-end with key and tap
Model
Dimensions [mm]
LL
KB1
KB2
R88M-1M1K020C(-O/-S2/-OS2)
120.5±2
63±1
109±2
R88M-1M1K520C(-O/-S2/-OS2)
138±2
79±1
125±2
R88M-1M2K020C(-O/-S2/-OS2)
160±2
98±1
148±2
Model
Dimensions [mm]
QA
QK
W
T
U
QE
LT
R88M-1M1K020C(-S2/-OS2)
3
42
7
M5
12
R88M-1M1K520C(-S2/-OS2)
3
42
7
M5
12
R88M-1M2K020C(-S2/-OS2)
3
42
7
M5
12
130×130±2
4-9±0.5 dia.
KB2
11
8
±
2
76±2
KB1
LL
11.5±0.5
11
0
0 -0.035 dia.
55±1
4±0.4
50
145±0.2 dia.
Encoder connector
Motor connector
0
22-0.013 dia.
T
W
U
QA
QK
Key and tap cross section
QE (tap)
LT (tap depth)
-0.036
0
8
-0.4
0
3
-0.036
0
8
-0.4
0
3
-0.036
0
8
-0.4
0
3
Summary of Contents for R88D-1SN01H-ECT
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