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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 External and Mounting Dimensions
2
2-4-2 Servomotor Dimensions
750 W/1 kW/1.5 kW/2 kW (without Brake)
R88M-1L75030C(-O/-S2/-OS2)/R88M-1L1K030C(-O/-S2/-OS2)
R88M-1L1K530C(-O/-S2/-OS2)/R88M-1L2K030C(-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
3,000-r/min Servomotors (400 V)
Model
Dimensions [mm]
LL KB1 KB2
R88M-1L75030C(-O/-S2/-OS2) 139±2 56±1 124±2
R88M-1L1K030C(-O/-S2/-OS2) 168±2 85±1 153±2
R88M-1L1K530C(-O/-S2/-OS2) 168±2 85±1 153±2
R88M-1L2K030C(-O/-S2/-OS2) 179±2 96±1 164±2
Model
Dimensions [mm]
QA QK W T U QE LT
R88M-1L75030C(-S2/-OS2) 3 42 6 M5 12
R88M-1L1K030C(-S2/-OS2) 3 42 6 M5 12
R88M-1L1K530C(-S2/-OS2) 3 42 6 M5 12
R88M-1L2K030C(-S2/-OS2) 3 42 6 M5 12
KB2
97±2
45±2
KB1
LL
10±0.5
19
0
-0.013 dia.
95
0
-0.035 dia.
55±1
3±0.3
50±0.8
100×100±2
115±0.2 dia.
4-9±0.5 dia.
Encoder connector Motor connector
R1.5 max
T
W
U
QA QK
Key and tap cross section
QE (tap)
LT (tap depth)