NORD Drivesystems B1000 - Manual (Page 620)

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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
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.