2-45
2-4 External and Mounting Dimensions
OMNUC G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
2
Models and External Dimensions
4 kW/5 kW (without Brake)
R88M-K4K020F (-S2)/-K5K020F (-S2)
R88M-K4K020C (-S2)/-K5K020C (-S2)
4 kW/5 kW (with Brake)
R88M-K4K020F-B (S2)/-K5K020F-B (S2)
R88M-K4K020C-B (S2)/-K5K020C-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.
Model
Dimensions (mm)
LL LM KB1 KB2
R88M-K4K020@ 177 133 96 155
R88M-K5K020@ 196 152 115 174
R88M-K4K020@-B@ 206 162 96 184
R88M-K5K020@-B@ 225 181 115 203
INC
ABS
INC
ABS
Encoder
connector
Motor and brake
connector
176×176
70
55
50
M3, through
(Shaft end specifications with key and tap)
4-φ13.5
φ200
φ233
φ35h6
φ114.3h7
M12
(depth 25)
10h9
8
30
LM
KB2
KB1
70LL
140
60
3.218
φ
35h6
φ114.3h7