NORD Drivesystems B1000 - Manual (Page 610)

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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 12080
NEMA-C + W
Ratings & Combinations
W 56C 140TC 180TC
SK 12080 75 86 86 101
lb
SK 12080 7.55 1.46 31/6 232 2611 5.00 91 153 2974 3.30 90 X X X
9.56 1.85 31/6 183 3009 5.00 91 121 3372 3.30 90 X X X
10.75 2.08 31/6 163 3009 5.00 91 107 3336 3.30 89 X X X
12.51 2.42 31/6 140 3053 5.00 90 92 3354 3.30 89 X X X
14.01 2.71 31/6 125 3230 5.00 90 82 3522 3.30 89 X X X
15.98 3.09 31/6 110 3496 5.00 90 72 3735 3.30 88 X X X
19.11 1.85 31/3 92 4027 5.00 87 60 4514 3.30 86 X X X
21.49 2.08 31/3 81 4160 5.00 87 54 4611 3.30 85 X X X
25.00 2.42 31/3 70 4336 5.00 86 46 4761 3.30 84 X X X
27.99 2.71 31/3 63 4514 5.00 86 41 4921 3.30 84 X X X
31.92 3.09 31/3 55 4646 4.77 85 36 5027 3.46 83 X X X*
37.91 3.67 31/3 46 4868 4.22 84 30 5213 3.03 82 X X X*
44.72 2.08 43/2 39 4868 3.77 80 26 5398 2.90 77 X X X*
52.03 2.42 43/2 34 5089 3.47 79 22 5584 2.56 76 X X X*
58.27 2.71 43/2 30 5310 3.24 78 20 5788 2.45 75 X X X*
66.44 3.09 43/2 26 5576 2.99 77 17 6027 2.17 75 X X X*
78.91 3.67 43/2 22 5797 2.67 76 15 6213 2.02 73 X X X*
94.35 1.85 51/1 19 4956 2.29 65 12 5549 1.70 62 X X X*
106.08 2.08 51/1 16 5222 2.06 64 11 5788 1.69 60 X X X*
123.42 2.42 51/1 14 5487 1.93 63 9.4 6018 1.51 59 X X* X*
138.21 2.71 51/1 13 5708 1.90 62 8.4 6222 1.43 58 X X* X*
157.59 3.09 51/1 11 5930 1.70 61 7.3 6416 1.30 57 X X* X*
187.17 3.67 51/1 9.3 5930 1.49 59 6.2 6354 1.14 55 X X* X*
234.60 4.60 51/1 7.5 6284 1.31 57 4.9 6629 0.95 54 X X*
276.92 Ê 12.88 43/2 6.3 6284 0.91 69 4.2 6531 0.64 68 X*
402.90 Ê 7.90 51/1 4.3 6284 0.80 53 2.9 6638 0.62 50 X* X*
520.20 Ê 10.20 51/1 3.4 6284 0.67 51 2.2 6549 0.47 49 X* X*
656.88 Ê 12.88 51/1 2.7 6284 0.54 50 1.8 6531 0.39 48 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.