Omron R88D-1SN ECT Series, User Manual, Page: 172 / 974

2 Models and External Dimensions
2 - 84 AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
 5.5 kW/7.5 kW (with Brake)
R88M-1M5K515C-B(O/S2/OS2)/R88M-1M7K515C-B(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 L1
R88M-1M5K515C-B(O/S2/OS2) 295±3 174
R88M-1M7K515C-B(O/S2/OS2) 352±3 221
Model
Dimensions [mm]
QA QK W T U QE LT
R88M-1M5K515C-B(S2/OS2) 3 90 8 M16 32
R88M-1M7K515C-B(S2/OS2) 3 90 8 M16 32
109±0.95
19.5±1 3±0.3
113±1 LL
R1.5 max.
0
(92 dia.)
152±3
(242)
(L1)
0
Eye bolt (2-M6)
Encoder connector
2-M6
(For eye bolt)
Motor and brake connector
1
14.3-0.035 dia.
42 -0.016 dia.
200 ±0.23 dia.
4-13.5±0.5 dia.
180 ×180 ±2
T
W
U
QA QK
Key and tap cross section
QE (tap)
LT (tap depth)
-0.043
0
12
-0.4
0
3
-0.043
0
12
-0.4
0
3