NORD Drivesystems B1000 User Manual
Page 620
www.nord.com
E618
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
=1750 rpm
n
1
=1
150 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
[rpm]
[Ib-in]
[hp]
[%]
[rpm]
[Ib-in]
[hp]
[%]
56C
140TC 180TC 210TC 250TC
z
1
G1000 – Subject to Change Without Notice
W
56C
140TC
180TC
210TC
SK 43125
271
276
276
284
315
SK 43125
NEMA-C + W
Ratings & Combinations
lb
SK 43125
62.50
6.05
31/3
28
13894
5.00
86
18
14744
3.30
84
X
X
X
X
69.99
6.78
31/3
25
13806
5.00
85
17
14682
3.30
83
X
X
X
86.22
8.35
31/3
20
15576
5.00
84
13
16390
3.30
82
X
X
X
110.97
4.93
45/2
16
20974
5.00
79
10
22152
3.30
76
X
X
X
130.49
5.80
45/2
13
21948
5.00
78
8.9
23276
3.30
75
X
X
X
152.44
6.78
45/2
11
22922
5.00
77
7.6
24382
3.30
74
X
X
X
187.80
8.35
45/2
9.3
22922
4.45
76
6.2
24116
3.24
73
X
X
X*
236.58
10.51
45/2
7.4
24868
3.94
74
4.9
25869
2.79
72
X
X
X*
269.76
11.99
45/2
6.5
24868
3.51
73
4.3
25789
2.48
71
X
X
X*
323.51
14.38
45/2
5.4
21240
2.52
72
3.6
20939
1.70
70
X
X
380.39
16.91
45/2
4.6
23098
2.37
71
3.0
23231
1.61
69
X
X
444.38
19.75
45/2
3.9
26462
2.33
70
2.6
27134
1.62
69
X
X
547.47
24.33
45/2
3.2
27346
1.98
70
2.1
28329
1.39
68
X
X*
607.91
27.02
45/2
2.9
23630
1.58
69
1.90
24612
1.09
68
X
X*
689.67
30.65
45/2
2.5
25046
1.43
69
1.70
26231
1.06
67
X
X*
794.58
16.91
47/1
2.2
27346
1.77
54
1.50
28559
1.30
52
X
X*
928.25
19.75
47/1
1.9
27346
1.55
53
1.20
28417
1.06
51
X
X*
1198.50
25.50
47/1
1.5
27346
1.25
52
0.96
28400
0.87
50
X
X*
1476.55
31.42
47/1
1.2
27346
1.02
51
0.78
28665
0.72
49
X
X*
1639.55
34.88
47/1
1.1
27346
0.94
51
0.70
28780
0.66
49
X*
X*
1860.07
39.58
47/1
0.94
27346
0.82
50
0.62
28594
0.58
49
X*
X*
2056.63
43.76
47/1
0.85
27346
0.74
50
0.56
28462
0.51
49
X*
X*
2526.44
53.75
47/1
0.69
27346
0.62
49
0.46
28232
0.43
48
X*
X*
3442.09
73.24
47/1
0.51
27346
0.46
48
0.34
27984
0.31
48
X*
X*
5057.67 107.61
47/1
0.35
27346
0.32
48
0.23
27771
0.21
47
X*
X*
7095.12 150.96
47/1
0.25
26550
0.23
47
0.16
26550
0.15
47
X*
X*
* Caution - The motor power may exceed the gear unit’s mechanical torque capacity. Limits Based on 1750rpm input speed.
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.