NORD Drivesystems B1000 User Manual
Page 611
www.nord.com
E609
W + NEMA
Gear Ratio
n
2
=
Output Speed
T
2 max
= Output Torque*
HP
max
= Input power
KK = Effi ciencies
Model
Type
Total
Helical
Gears
Worm
Gears
NEMA C-Face
*
Available Combinations
n
1
=
875 rpm
n
1
=
580 rpm
n
1
=
300 rpm
i
tot
i
1
z
2
= i
2
n
2
T
2 max
HP
max
K
n
2
T
2 max
HP
max
K
n
2
T
2 max
HP
max
K
[rpm] [Ib-in]
[hp]
[%] [rpm] [Ib-in] [hp] [%] [rpm] [Ib-in] [hp] [%] 56C 140TC 180TC 210TC 250TC
z
1
G1000 – Subject to Change Without Notice
SK 12080
NEMA-C + W
Ratings & Combinations
W
56C
140TC
180TC
SK 12080
75
86
86
101
lb
SK 12080
7.55
1.46
31/6
116
3195
2.50
90
77
3460
1.65
88
40
3452
0.90
86
X
X
X
9.56
1.85
31/6
92
3567
2.50
89
61
3602
1.65
88
31
3522
0.90
86
X
X
X
10.75
2.08
31/6
81
3522
2.50
89
54
3593
1.65
87
28
3513
0.90
85
X
X
X
12.51
2.42
31/6
70
3522
2.50
88
46
3637
1.65
87
24
3549
0.90
85
X
X
X
14.01
2.71
31/6
62
3673
2.50
88
41
3620
1.65
86
21
3575
0.90
85
X
X
X
15.98
3.09
31/6
55
3690
2.50
87
36
3655
1.65
86
19
3567
0.90
84
X
X
X
19.11
1.85
31/3
46
4779
2.50
84
30
5115
1.65
82
16
5593
0.90
80
X
X
X
21.49
2.08
31/3
41
4868
2.50
84
27
5168
1.65
82
14
5646
0.90
79
X
X
X
25.00
2.42
31/3
35
5000
2.50
83
23
5275
1.65
81
12
5735
0.90
79
X
X
X
27.99
2.71
31/3
31
5133
2.50
83
21
5434
1.65
81
11
5850
0.90
79
X
X
X
31.92
3.09
31/3
27
5213
2.72
82
18
5540
1.97
80
9.4
5912
1.13
78
X
X
X*
37.91
3.67
31/3
23
5398
2.43
81
15
5726
1.70
80
7.9
6106
0.98
78
X
X
X*
44.72
2.08
43/2
20
5699
2.41
75
13
6045
1.70
73
6.7
6611
1.02
69
X
X
X*
52.03
2.42
43/2
17
5868
2.13
74
11
6186
1.50
72
5.8
6726
0.90
69
X
X
X*
58.27
2.71
43/2
15
6045
1.94
74
10
6390
1.42
71
5.1
6876
0.82
68
X
X
X*
66.44
3.09
43/2
13
6257
1.77
73
8.7
6646
1.29
71
4.5
7089
0.75
68
X
X
X*
78.91
3.67
43/2
11
6434
1.55
72
7.4
6814
1.14
70
3.8
7266
0.66
67
X
X
X*
94.35
1.85
51/1
9.3
5876
1.47
59
6.1
6292
1.11
55
3.2
6885
0.68
51
X
X
X*
106.08
2.08
51/1
8.2
6115
1.37
58
5.5
6487
1.05
54
2.8
7089
0.63
50
X
X
X*
123.42
2.42
51/1
7.1
6328
1.27
56
4.7
6673
0.94
53
2.4
7257
0.56
49
X
X*
X*
138.21
2.71
51/1
6.3
6496
1.15
56
4.2
6868
0.88
52
2.2
7390
0.52
49
X
X*
X*
157.59
3.09
51/1
5.6
6655
1.10
54
3.7
7062
0.79
52
1.9
7540
0.47
48
X
X*
X*
187.17
3.67
51/1
4.7
6576
0.92
53
3.1
6974
0.67
51
1.6
7434
0.39
48
X
X*
X*
234.60
4.60
51/1
3.7
6930
0.78
52
2.5
7248
0.59
49
1.3
7717
0.34
47
X
X*
276.92
Ê 12.88 43/2
3.2
6567
0.50
67
2.1
6469
0.32
66
1.1
6372
0.17
65
X*
402.90
Ê 7.90
51/1
2.2
6797
0.48
49
1.4
7089
0.34
47
0.74 7567
0.19
46
X*
X*
520.20
Ê 10.20 51/1
1.7
6726
0.38
48
1.1
6983
0.25
47
0.58 7487
0.15
46
X*
X*
656.88
Ê 12.88 51/1
1.3
6708
0.29
47
0.88
6974
0.21
46
0.46 7434
0.12
45
X*
* Caution - The motor power may exceed the gear unit’s mechanical torque capacity. Limits Based on 1750rpm input speed.
Ê Non-footed units only.
The mechanical power limit of the solid input shaft type “W” may limit the reducer rating.
All ratings are mechanical. See page 14 for thermal considerations.