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10
Motor Data
Unit of
Part Numbers
Measure
119050*
119051
119052
119053*
119054
119055
119056
119057
119058*
No Load Speed, Nominal
RPM
4319
5259
4067
3434
2838
2543
2281
2021
1856
No Load Current, Nominal
amps
1.48
1.74
1.41
1.24
1.07
0.99
0.92
0.85
0.80
Stall Torque, Theoretical
oz.-in.
284
375
428
453
496
505
518
541
549
Ncm
201
265
302
320
350
357
366
382
387
Continuous Torque
oz.-in.
22
36
49
63
77
91
105
119
132
Ncm
16
25
35
44
54
64
74
84
93
Speed @ Torque, Nominal
RPM
3715
4342
3265
2641
2174
1864
1605
1377
1214
Current @ Torque, Nominal
amps
4.4
7.6
7.9
7.8
8.1
8.3
8.4
Continuous Power, Max.
watts out
60
116
118
123
124
126
125
121
119
Torque Constant
oz.-in. /amp
7.52
6.17
7.98
9.45
11.44
12.77
14.23
16.06
17.49
Ncm/amp
5.31
4.36
5.64
6.68
8.08
9.02
10.05
11.34
12.35
Voltage Constant
V/kRPM
5.56
4.56
5.90
6.99
8.46
9.44
10.52
11.88
12.93
V/rad/sec
0.0531
0.0436
0.0564
0.0667
0.0808
0.0901
0.1005
0.1134
0.1235
Electrical Time Constant
millisecond
1.055
1.052
1.140
1.205
1.256
1.297
1.331
1.358
1.382
Mechanical Time Constant
millisecond
14.713
13.065
12.005
10.293
11.253
10.283
9.413
9.313
8.754
Motor Constant
oz.-in./(watt^.5)
11.5
12.5
15.0
16.6
19.0
20.1
21.4
23.1
24.1
Ncm/(watt^.5)
8.1
8.9
10.6
11.7
13.4
14.2
15.1
16.3
17.0
Rotor Inertia
oz.-in.sec2
0.0138
0.0145
0.0191
0.0201
0.0286
0.0293
0.0303
0.0350
0.0360
Ncm-sec^2
0.0097
0.0102
0.0135
0.0142
0.0202
0.0207
0.0214
0.0247
0.0254
Terminal Resistance
ohms
0.425
0.242
0.283
0.323
0.363
0.404
0.444
0.485
0.525
Terminal Inductance
millihenry
0.449
0.255
0.322
0.389
0.457
0.524
0.591
0.658
0.726
Thermal Resistance
C/W
1.21
1.19
1.17
1.15
1.13
1.11
1.09
1.06
1.04
Length (“L” above)
inches
2.500
3.000
3.750
4.250
mm
63.50
76.20
95.25
107.95
Weight
lb.
2.10
2.25
2.80
3.00
3.75
4.00
4.20
4.70
4.85
kg
0.95
1.02
1.27
1.36
1.70
1.81
1.90
2.13
2.20
Shaft Length (“S” above)
inches
.750
1.500
1.875
mm
19.05
38.10
47.63
NOTES
* Motors require brushless motor controller for operation, refer to the controller section (page 45) for applicable controllers.
* Motor design characteristics are based on an operating environment of 25C.
* Nominal and maximum performance figures are based on a winding temperature of 105C.
* This document is for informational purposes only and should not be considered as a binding description of the products and their performance in all applications.
* AMETEK RTMD products are not designed for and should not be used in medical life support applications.
* AMETEK reserves the right to revise its products without notification.
* The above characteristics represent standard products. For product designed to meet specific applications contact AMETEK RTMD Marketing and Sales.
3.55M99
3.55” (90mm) Diameter, 8 Pole, Brushless DC Motor
24 VDC
*These part numbers are available through AMETEK Rotron distributors. See page 54 for distributor information.