Sk 72 , sk 73 nema-c + w ratings & combinations – NORD Drivesystems B1000 User Manual
Page 145
www.nord.com
B143
G1000 – Subject to Change Without Notice
W + NEMA
Model
Type
Gear
Ratio
Output
Speed
Output
Torque*
Maximum input power
Solid input shafts type “W“
NEMA C-Face*
Available Combinations
i
tot
n
2
T
2 max
Input Speed
1750 rpm
1750 rpm 1150 rpm 875 rpm 580 rpm
[rpm]
[Ib-in]
[hp]
[hp]
[hp]
[hp]
56C
140TC 180TC 210TC 250TC 280TC 320TC 360TC
SK 72
2.76
634
18895
75.00
49.50
37.50
24.75
X
X
X
X
X
X
3.26
537
20647
75.00
49.50
37.50
24.75
X
X
3.43
510
21444
75.00
49.50
37.50
24.75
X
X
X
X
X
X
3.86
453
22913
75.00
49.50
37.50
24.75
X
X
4.12
425
23656
75.00
49.50
37.50
24.75
X
X
X
X
X
X
4.85
361
25754
75.00
49.50
37.50
24.75
X
X
X
X
X
X
5.60
312
25054
75.00
49.50
37.50
24.75
X
X
X
X
X
X
6.42
273
24515
75.00
49.50
37.50
24.75
X
X
X
X
X
X
6.95
252
37984
75.00
49.50
37.50
24.75
X
X
X
X
X
X
8.19
214
41214
75.00
49.50
37.50
24.75
X
X
X
X
X
X
9.46
185
41666
75.00
49.50
37.50
24.75
X
X
X
X
X
X
10.84
161
41391
75.00
49.50
37.50
24.75
X
X
X
X
X
X
12.52
140
35869
75.00
49.50
37.50
24.75
X
X
X
X
X
X
14.33
122
35869
69.43
45.83
34.72
22.91
X
X
X
X
X
X*
16.86
104
35869
59.19
39.06
29.59
19.53
X
X
X
X
X
X*
21.64
81
39754
51.09
33.72
25.55
16.86
X
X
21.72
81
35869
46.10
30.43
23.05
15.21
X
X
X
X
28.63
61
35869
34.72
22.91
17.36
11.46
X
X
33.04
53
28470
23.94
15.80
11.97
7.90
X
X
X
X*
43.71
40
35843
22.75
15.01
11.37
7.51
X
X
X
X*
SK 73
18.00
97
44250
60.00
39.60
30.00
19.80
X
X
X
X
X
X*
20.62
85
44250
59.68
39.39
29.84
19.69
X
X
X
X
X
X*
23.34
75
44250
52.66
34.75
26.33
17.38
X
X
X
X
X
X*
28.32
62
44250
43.53
28.73
21.77
14.37
X
X
X
X
X*
X*
33.24
53
44250
37.21
24.56
18.61
12.28
X
X
X
X
X*
X*
37.63
47
44250
33.00
21.78
16.50
10.89
X
X
X
X
X*
X*
45.66
38
47525
28.65
18.91
14.33
9.46
X
X
X
X*
X*
X*
52.24
33
49206
25.76
17.00
12.88
8.50
X
X
X
X*
60.46
29
50003
23.01
15.19
11.50
7.59
X
X
X
X*
74.87
23
47171
17.21
11.36
8.61
5.68
X
X
X*
X*
91.38
19
47171
14.22
9.39
7.11
4.69
X
X
X*
100.46
17
35400
9.55
6.30
4.77
3.15
X
X*
124.41
14
44250
9.83
6.49
4.91
3.24
X
X*
124.57
14
49737
11.05
7.29
5.52
3.65
X
X
X*
X*
166.03
11
49826
8.70
5.74
4.35
2.87
X
X*
205.61
8.5
47171
6.36
4.20
3.18
2.10
X
X*
W
180TC
210TC
250TC
280TC
320TC
360TC
SK 72
529
503
503
531
583
617
650
SK 73
551
525
525
553
608
639
672
lb
SK 72 , SK 73
NEMA-C + W
Ratings & Combinations
* Caution - The motor power may exceed the gear unit’s mechanical torque capacity
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.