Omron R88D-1SN ECT Series, User Manual, Page: 132 / 974

2 Models and External Dimensions
2 - 44 AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
 50 W (with Brake)
R88M-1M05030S-B(O/S2/OS2)
R88M-1M05030T-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
R88M-1M05030S-B(S2)
R88M-1M05030T-B(S2) 103.5±1
R88M-1M05030S-BO(S2)
R88M-1M05030T-BO(S2) 108.5±1
Model
Dimensions [mm]
QA QK W T U QE LT
R88M-1M05030S-B(S2/OS2) 2 12 3 M3 8
R88M-1M05030T-B(S2/OS2) 2 12 3 M3 8
LL
2.5±0.3
0
30-0.021 dia.
0
8-0.009 dia.
25±0.5
21.5±0.1
40 × 40±0.8
2-4.5±0.35 dia.
46±0.3 dia.
Encoder connector
Motor connector Brake connector
(43)
R0.5 max
5±0.5
T
W
U
QA QK
Key and tap cross section
QE (tap)
LT (tap depth)
-0.025
0
3
-0.2
0
1.2
-0.025
0
3
-0.2
0
1.2