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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
1 kW/1.5 kW/2 kW (without Brake)
R88M-1L1K030T(-O/-S2/-OS2)/R88M-1L1K530T(-O/-S2/-OS2)/R88M-1L2K030T(-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 KL2
R88M-1L1K030T(-O/-S2/-OS2) 168±2 85±1 153±2 97±2
R88M-1L1K530T(-O/-S2/-OS2) 168±2 85±1 153±2 97±2
R88M-1L2K030T(-O/-S2/-OS2) 179±2 96±1 164±2 102±2
Model
Dimensions [mm]
QA QK W T U QE LT
R88M-1L1K030T(-S2/-OS2) 3 42 6 M5 12
R88M-1L1K530T(-S2/-OS2) 3 42 6 M5 12
R88M-1L2K030T(-S2/-OS2) 3 42 6 M5 12
KB2
100×100±2
115±0.2 dia.
LL
10±0.5
19
0
-0.013 dia.
95
0
-0.035 dia.
55±1
50±0.8
3±0.3
4-9±0.5 dia.
KL2
45±2
KB1
Motor connector
Encoder connector
R1.5 max
T
W
U
QA QK
Key and tap cross section
QE (tap)
LT (tap depth)