Omron R88D-1SN ECT Series, User Manual, Page: 131 / 974

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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
Servomotors are grouped by rated rotation speed, and described in order of increasing rated output.
 50 W (without Brake)
R88M-1M05030S(-O/-S2/-OS2)
R88M-1M05030T(-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
2-4-2 Servomotor Dimensions
3,000-r/min Servomotors (100 V and 200 V)
Model
Dimensions [mm]
LL
R88M-1M05030S(-S2)
R88M-1M05030T(-S2) 67.5±1
R88M-1M05030S-O(S2)
R88M-1M05030T-O(S2) 72.5±1
Model
Dimensions [mm]
QA QK W T U QE LT
R88M-1M05030S(-S2/-OS2) 2 12 3 M3 8
R88M-1M05030T(-S2/-OS2) 2 12 3 M3 8
LL
2.5±0.3
0
30-0.021 dia.
40 × 40±0.8
2-4.5±0.35 dia.
46±
0.3 dia.
0
8-0.009 dia.
25±0.5
21.5±0.1
(43)
Encoder connector
Motor connector
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