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2800 SERIES DOUBLE REDUCTION
BASE TYPE GEAR DRIVES
NOTE: Bracketed numbers in table below refer to Notes section below table.
Average Shipping Weight: 161 Lbs.
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MODEL
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RATIO (2)
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RATINGS (1)
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GEARBOX (4) INERTIA
(LB-FT 2) |
DIA A. (INCHES)
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OUTPUT (RPM)
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INPUT HORSEPOWER
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OUTPUT TORQUE (IN-LB)
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INPUT SHAFT (3) OVERHUNG LOAD CAPACITY (LBS)
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OUTPUT SHAFT (3) OVERHUNG LOAD CAPACITY (LBS)
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28035 (5)
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3.520
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497
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55.2 (6)
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7000
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475
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2200
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0.20
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1 1/4
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28042 (5)
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4.153
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421
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48.1 (6)
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7200
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475
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2200
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0.17
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1 1/4
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28044 (5)
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4.443
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394
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45.0 (6)
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7200
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475
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2200
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0.15
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1 1/4
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28048 (5)
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4.760
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368
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42.6 (6)
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7300
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475
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2200
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0.13
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1 1/4
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28051 (5)
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5.106
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343
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39.7 (6)
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7300
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475
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2200
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0.11
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1 1/4
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28055 (5)
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5.485
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319
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37.0 (6)
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7300
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475
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2200
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0.10
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1 1/4
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28059
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5.904
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296
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34.8 (6)
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7400
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475
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2200
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0.09
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1 1/4
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2806
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6.368
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275
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32.3 (6)
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7400
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475
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2200
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0.08
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1 1/4
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28069
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6.885
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254
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30.2
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7480
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475
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2200
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0.08
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1 1/4
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2807
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7.464
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234
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28.0
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7530
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475
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2200
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0.08
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1 1/4
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2808
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8.119
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215
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26.0
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7600
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475
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2200
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0.07
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1 1/4
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28088
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8.863
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197
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24.2
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7710
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475
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2200
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0.07
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1 1/4
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2809
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9.718
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180
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22.1
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7730
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475
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2200
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0.07
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1 1/4
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2810
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10.710
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163
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20.3
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7830
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475
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2200
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0.06
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1 1/4
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2811
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11.874
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147
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18.5
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7930
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550
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2500
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0.05
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1 1/4
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2812
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12.889
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136
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16.2
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7520
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550
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2500
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0.04
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1 1/4
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2813
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13.560
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129
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15.5
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7560
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550
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2500
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0.04
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1 1/4
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2814
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14.290
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122
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14.7
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7590
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550
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2500
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0.04
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1 1/4
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2815
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15.086
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116
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14.0
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7630
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700
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3100
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0.04
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1 1/4
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28159
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15.958
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110
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13.3
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7650
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700
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3100
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0.03
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1 1/4
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2816
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16.650
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105
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12.2
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7310
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700
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3100
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0.03
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1 1/4
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2817
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17.546
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100
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11.6
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7340
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700
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3100
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0.03
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1 1/4
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2818
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18.524
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94
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11.1
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7380
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700
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3100
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0.03
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1 1/4
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2819
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19.594
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89
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10.5
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7410
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700
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3100
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0.03
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1 1/4
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2821
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21.932
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80
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9.0
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7120
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700
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3100
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0.03
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1 1/4
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2824
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24.675
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71
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7.8
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6930
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600
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3100
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0.03
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1 1/8
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2827
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27.895
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63
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6.8
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6810
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600
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3100
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0.03
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1 1/8
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2829
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29.754
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59
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6.2
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6650
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600
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3100
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0.02
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1 1/8
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2833
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33.918
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52
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5.3
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6430
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430
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3100
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0.02
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1
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2836
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36.249
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48
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5.0
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6470
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430
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3100
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0.02
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1
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2838
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38.912
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45
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4.5
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6280
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430
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3100
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0.02
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1
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2841
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41.727
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42
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4.2
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6320
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430
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3100
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0.02
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1
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NOTES
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Horsepower, torque, output speed and overhung load capacities based on 1750 rpm input speed and 1.00 Service Factor.
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Non-standard ratios available. Consult Dorris Company if desired ratio is not shown.
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Overhung load is measured at the midpoint of the key for the input and output shafts respectively.
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Measured at the input shaft.
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If a backstop is required consult Dorris Company for backstop torque capacity as it is less than the output torque rating shown.
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Consult Dorris Company for thermal capacity in your application.
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