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2-4 External and Mounting Dimensions
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
2
Standard Models and External Dimensions
1,500-r/min and 2,000-r/min Servomotors (200 V)
1 kW/1.5 kW/2 kW/3 kW (without Brake)
R88M-K1K020H (-S2)/-K1K520H (-S2)/-K2K020H (-S2)/-K3K020H (-S2)
R88M-K1K020T (-S2)/-K1K520T (-S2)/-K2K020T (-S2)/-K3K020T (-S2)
1 kW/1.5 kW/2 kW/3 kW (with Brake)
R88M-K1K020H-B (S2)/-K1K520H-B (S2)/-K2K020H-B (S2)/-K3K020H-B (S2)
R88M-K1K020T-B (S2)/-K1K520T-B (S2)/-K2K020T-B (S2)/-K3K020T-B (S2)
Note. The standard models have 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. The motor dimensions
do not change.
Model
Dimensions (mm)
LL LR LM S KB1 KB2
R88M-K1K020@ 138 55 94 22 60 116
R88M-K1K520@ 155.5 55 111.5 22 77.5 133.5
R88M-K2K020@ 173 55 129 22 95 151
R88M-K3K020@ 208 65 164 24 127 186
R88M-K1K020@-B@ 166 55 122 22 60 144
R88M-K1K520@-B@ 183.5 55 139.5 22 77.5 161.5
R88M-K2K020@-B@ 201 55 157 22 95 179
R88M-K3K020@-B@ 236 65 192 24 127 214
INC
130130
45 (1.0 to 2.0 kW)
55 (3.0 kW)
41 (1.0 to 2.0 kW)
51 (3.0 kW)
LR
M3, through
M5, depth 12 (1.0 to 2.0 kW)
M8, depth 20 (3.0 kW)
8h9
7
18 (1.0 to 2.0 kW)
20 (3.0 kW)
(Shaft end specifications with key and tap)
Sh6
49
165
145
110h7
Encoder
connector
Motor and brake
connector
116 (1.0 to 2.0 kW)
118 (3.0 kW)
LM
KB2
KB1
LRLL
60
612
Sh6
110h7