2 Models and External Dimensions
2-50
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
z 750 W/1 kW/1.5 kW/2 kW (without Brake)
R88M-K75030F (-S2)/-K1K030F (-S2)/-K1K530F (-S2)/-K2K030F (-S2)
R88M-K75030C (-S2)/-K1K030C (-S2)/-K1K530C (-S2)/-K2K030C (-S2)
z 750 W/1 kW/1.5 kW/2 kW (with Brake)
R88M-K75030F-B (S2)/-K1K030F-B (S2)/-K1K530F-B (S2)/-K2K030F-B (-S2)
R88M-K75030C-B (S2)/-K1K030C-B (S2)/-K1K530C-B (S2)/-K2K030C-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.
3,000-r/min Servomotors (400 V)
Model
Dimensions (mm)
LL LM KB1 KB2
R88M-K75030 131.5 87.5 56.5 109.5
R88M-K1K030 141 97 66 119
R88M-K1K530 159.5 115.5 84.5 137.5
R88M-K2K030 178.5 134.5 103.5 156.5
R88M-K75030-B 158.5 114.5 53.5 136.5
R88M-K1K030-B 168 124 63 146
R88M-K1K530-B 186.5 142.5 81.5 164.5
R88M-K2K030-B 205.5 161.5 100.5 183.5
INC
ABS
INC
ABS
Encoder
connector
Motor and brake
connector
101 (without brake)
103 (with brake)
100×100
4-φ9
φ115
φ135
42
45
55
M3, through
M5 (depth 12)
φ
19h6
φ95h7
6h9
6
15.5
(Shaft end specifications with key and tap)
LM
KB2
KB1
55LL
60
310
φ
19h6
φ95h7
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