Omron R88D-1SN ECT Series, User Manual, Page: 293 / 974

3 - 73
3 Specifications
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
3-
3 Dece
lerator Sp
ecificat
ion
s
3
 For 1,500-r/min Servomotors
*1. The value is the allowable continuous output torque of the Decelerator. Take care so that this value is not exceeded.
Note 1. The Decelerator inertia is the Servomotor shaft conversion value.
2. The protective structure rating of the Servomotor with the Decelerator is IP44.
3. The Allowable radial load column shows the values obtained at the center of the shaft (T/2).
4. The standard shaft type is a straight shaft. A model with a key and tap is indicated with “J” at

of the model num-
ber.
5. Take care so that the surface temperature of the Decelerator does not exceed 70°C.
Servo-
motor
rated
output
Reduc-
tion
ratio
Model
Rated
rota-
tion
speed
Rated
torque
Effi-
ciency
Momen-
tary
maxi-
mum
rotation
speed
Momen-
tary
maxi-
mum
torque
Decelerator
inertia
Allow-
able
radial
load
Allow-
able
thrust
load
Weight
r/min N·m % r/min N·m
× 10
-4
kg·m
2
N N kg
4 kW 1/5 R88G-HPG50A055K0SB
 300 119.0 93.4 600 356.6 11 2347 8118 22.0
1/11 R88G-HPG50A115K0SB

136
217.9
*1
94.3 272 788.2 8.4 2974 10285 23.5
1/20 R88G-HPG65A205K0SB 
75
474.9
93.1 150
1425.3
14 7338 26799 55.4
1/25 R88G-HPG65A255K0SB
 60 596.0 93.5 120 1784.0 14 7846 28654 55.4
5 kW 1/5 R88G-HPG50A054K5TB

300 149.3 93.9 600 452.6 12 2347 8118 22.0
1/12 R88G-HPG65A127K5SB 
125 354.1 92.8 250 1082.2 66 6295 22991 52.0
1/20 R88G-HPG65A204K5TB
 75 595.9 93.7 150 1809.3 53 7338 26799 52.0
5.5 kW 1/5 R88G-HPG50A054K5TB
 300 164.6 94.1 600 452.6 12 2347 8118 22.0
1/12 R88G-HPG65A127K5SB

125 391.0 93.1 250 1082.2 66 6295 22991 52.0
1/20 R88G-HPG65A204K5TB 
75 657.3 93.9 150 1809.3 53 7338 26799 52.0
T
Thrust load
Center of shaft
(T/2)
Radial load