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Specifications
Note 4. The allowable radial load indicates the value at the center of the shaft (i.e., 1/2 of the output
shaft length). (See the diagram below.)
Note 5. The allowable radial load and the allowable thrust load are the values determined by taking a
service life of 30,000 hours at normal usage as the standard (or 20,000 hours for the items in
parentheses).
Note 6. M-series 2,000-r/min 1,100 to 2,200-W Servomotors can be used only with Position Driver
software version 4.04 (April 1999) or later.
4,000 r/min
Item
Unit
Rated output
W
(See note.)
Rated torque
q
N m
(See note.)
(S
)
kgf cm
Rated rotation
r/min
speed
Momentary
r/min
maximum rota-
tion speed
Momentary
N m
maximum torque
maximum torque
kgf cm
(See note.)
Rated current
A (rms)
(See note.)
Momentary
A (rms)
maximum cur-
rent (See note.)
2
Rotor inertia
kg m
2
(GD
/4)
kgf cm s
Torque constant
q
N m/A
(S
(See note.)
)
kgf cm/A
Induced voltage
mV/
constant (See
(r/min)
note.)
Power rate (See
kW/s
note.)
Mechanical time
ms
constant
Ω
Winding resis-
tance
Winding imped-
mH
ance
Electrical time
ms
constant
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R88M
R88M
-M06040
-M12040
60
120
0.143
0.286
1.46
2.92
4,000
4,400
0.490
1.03
5.00
10.5
1.5
1.8
4.9
7.1
–5
–5
2.9
10
4.1
10
2
–4
–4
3.0
10
4.2
10
0.15
0.19
1.5
1.9
8.0
11.3
0.70
2.0
6.6
3.8
7.35
4.7
13
12
1.8
2.6
Radial load
Thrust load
Output shaft center
R88M
R88M
-M20040
-M40040
200
400
700
0.477
0.955
1.67
4.87
9.74
17.0
1.52
3.72
4.61
15.5
38.0
47.0
2.1
3.4
4.6
7.1
14.2
14.2
–5
–4
8.9
10
1.6
10
6.3
–4
–3
9.1
10
1.6
10
6.4
0.23
0.28
0.35
2.3
2.9
3.6
16.3
20
23.3
2.6
5.8
4.4
7.6
4.5
7.4
6.52
3.55
2.2
25
15
12
3.8
4.2
5.5
Chapter 5
R88M
R88M
R88M
-M70040
-M1K140
-M2K040
1,100
2,000
2.62
4.77
26.8
48.7
6.86
15.7
70.0
160
5.0
10.5
14.2
35.4
–4
–4
10
9.8
10
1.6
–3
–2
10
1.0
10
1.6
0.52
0.46
5.3
4.7
31.7
30
7.0
15
3.2
2.8
1.33
0.57
11
5.5
8.3
9.6
–3
10
–2
10
5-43
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Troubleshooting
