NORD Drivesystems B1000 User Manual
Page 618
www.nord.com
E616
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
SK 42125
NEMA-C + W
Ratings & Combinations
W
56C
140TC
180TC
210TC
250TC
SK 42125
256
245
245
260
291
313
lb
SK 42125
7.29
1.41
31/6
240
8319
20.00
94
158
9514
13.20
93
X
X
X
7.76
1.50
31/6
226
8938
20.00
94
149
10151
13.20
93
X
X
X
8.43
1.63
31/6
208
10089
20.00
94
137
11036
13.20
93
X
X
X
9.41
1.82
31/6
186
10089
20.00
93
123
11319
13.20
93
X
X
X
X
X
11.06
2.14
31/6
158
10974
20.00
93
104
11478
13.20
92
X
X
X
X
X
12.93
2.50
31/6
135
10974
20.00
93
89
11753
13.20
92
X
X
X
X
X
14.57
1.41
31/3
120
11859
20.00
91
79
13558
13.20
90
X
X
X
15.92
3.08
31/6
110
10974
20.00
92
73
11629
13.20
91
X
X
X
X
X
18.80
1.82
31/3
93
13364
20.00
91
61
15001
13.20
90
X
X
X
X
X
22.11
2.14
31/3
79
14248
19.84
90
52
15762
14.61
89
X
X
X
X
X*
25.83
2.50
31/3
68
15134
18.14
90
45
16567
13.43
88
X
X
X
X
X*
31.82
3.08
31/3
55
16284
15.97
89
36
17612
11.55
87
X
X
X
X
X*
35.33
3.42
31/3
50
14160
12.61
89
33
15249
9.17
87
X
X
X
X
40.95
1.82
45/2
43
16284
12.91
86
28
18275
9.66
84
X
X
X
X
X*
48.15
2.14
45/2
36
17346
11.65
85
24
19196
8.91
82
X
X
X
X
X*
56.25
2.50
45/2
31
18231
10.67
84
21
19957
8.20
81
X
X
X
X
X*
69.30
3.08
45/2
25
19647
9.38
83
17
21258
7.16
80
X
X
X
X*
X*
76.95
3.42
45/2
23
20266
9.02
82
15
21815
6.57
79
X
X
X
X*
87.30
3.88
45/2
20
20886
8.18
81
13
22275
5.88
78
X
X
X
X*
100.58
2.14
47/1
17
18850
6.86
74
11
20859
5.20
70
X
X
X
X*
X*
117.50
2.50
47/1
15
19824
6.46
73
9.8
21700
4.96
68
X
X
X
X*
X*
144.76
3.08
47/1
12
21152
5.67
71
8.0
22877
4.40
66
X
X
X
X*
X*
160.74
3.42
47/1
11
21860
5.44
70
7.2
23532
4.13
65
X
X
X
X*
182.36
3.88
47/1
9.6
22656
5.07
68
6.3
24169
3.78
64
X
X
X
X*
201.63
4.29
47/1
8.7
23276
4.80
67
5.7
24656
3.54
63
X
X
X*
X*
247.69
5.27
47/1
7.1
24426
4.24
65
4.7
25842
3.22
60
X*
X*
337.46
7.18
47/1
5.2
25222
3.35
62
3.4
26798
2.49
58
X*
X*
495.85
10.55
47/1
3.5
25222
2.41
58
2.3
26231
1.74
55
X
X
X*
695.60
14.80
47/1
2.5
25222
1.82
55
1.7
26276
1.34
53
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.