Grove Gear 8050 Catalog
Maximum Rating Tables .9 5/ ,3 :LYPLZ (SS :[VJR :[`SLZ
Single Reduction
Worm Gear Reducers
4J[FT
t 4 '
Size GR830 & EL830
Size NH830
Size GR832 & EL832
Size NH832
Nominal Output
Nominal Input
Input
Output Output Exact
Input
Output Output Exact
Input
Output Output Exact
Input
Output Output Exact
RPM
RPM
Ratio
HP
HP
TQ
Total
HP
HP
TQ
Total
HP
HP
TQ
Total
HP
HP
TQ
Ratio Ratio*
(lb-in)
Ratio*
(lb-in)
Ratio*
(lb-in) Ratio*
(lb-in)
10 1750 175.0
6.000 5.475 1972 10.00
5.080 4.570 1645 10.00
6.000 5.410 2011 10.33
6.000 5.410 2011 10.33
15 1750 116.7
Double Reduction
4.857 4.376 2364 15.00
4.560 4.030 2180 15.00
6.000 5.407 2921 15.00
5.920 5.260 2839 15.00
Worm - Worm Gear Reducers 20 1750 87.5
4.242 3.747 2699 20.00
3.970 3.450 2488 20.00
5.632 5.026 3620 20.00
5.190 4.560 3287 20.00
25 1750 70.0
3.000 2.642 2379 25.00
2.750 2.400 2157 25.00
3.000 2.669 2403 25.84
3.000 2.620 2360 25.84
30 1750 58.3
3.256 2.830 2968 29.13
2.930 2.560 2771 29.13
4.210 3.703 3884 29.13
3.850 3.410 3680 29.13
40 1750 43.8
2.574 2.187 3147 40.00
2.390 2.030 2924 40.00
3.427 2.953 4249 40.00
3.140 2.700 3894 40.00
45 1750 38.9
Double Reduction
2.545 2.110 3320 43.70
2.230 1.870 3026 43.70
3.337 2.824 4442 43.70
2.970 2.500 4044 43.70
Helical - Worm Gear Reducers 50 1750 35.0
2.157 1.805 3250 50.00
2.000 1.680 3020 50.00
2.870 2.441 4395 50.00
2.640 2.240 4028 50.00
60 1750 29.2
2.021 1.625 3507 60.00
1.820 1.470 3181 60.00
2.657 2.190 4727 60.00
2.440 1.980 4284 60.00
75 1750 23.3
1.702 1.338 3615 75.00
1.520 1.210 3279 75.00
2.238 1.811 4892 75.00
2.060 1.640 4434 75.00
WASHGUARD ® Reducers
80 1750 21.9
1.684 1.291 3714 80.00
1.430 1.100 3186 80.00
2.221 1.745 5023 80.00
1.890 1.470 4247 80.00
100 1750 17.5
1.441 1.049 3773 100.00
1.210 0.910 3284 100.00
1.872 1.409 5068 100.00
1.590 1.220 4385 100.00
and GEAR+MOTOR™ Ratio Multipliers 200 1750 250 1750 300 1750
125 1750 14.0
1.226 0.863 3886 125.00
1.030 0.750 3359 125.00
1.588 1.160 5224 125.00
1.300 0.958 4312 125.00
150 1750 11.7
1.074 0.716 3868 150.00
0.900 0.620 3362 150.00
1.392 0.970 5243 150.00
1.230 0.842 4547 150.00
8.8
0.879 0.534 3844 200.00
0.730 0.450 3266 200.00
1.137 0.723 5208 200.00
0.951 0.606 4361 200.00
7.0
0.766 0.424 3815 250.00
0.620 0.360 3226 250.00
0.971 0.570 5130 250.00
0.772 0.460 4141 250.00
5.8
0.696 0.386 3989 300.00
0.530 0.280 3062 300.00
0.895 0.524 5412 287.28
0.639 0.358 3868 287.28
400 1750
4.4
0.400 0.200 3172 430.92
0.400 0.200 3172 430.92
0.483 0.258 4006 430.92
0.483 0.258 4006 430.92
500 1750
3.5
0.240 0.110 1157 500.00
0.240 0.110 1157 500.00
0.270 0.129 2326 500.00
0.270 0.129 2326 500.00
600 1750
2.9
0.270 0.130 3508 574.56
0.270 0.130 3508 574.56
0.307 0.150 3112 574.56
0.307 0.150 3112 574.56
* Actual ratio combinations supplied by Factory may vary from above depending on application and manufacturing requirements. Refer to page 211 for exact ratio of helical primary stage and worm gear secondary stage. At speeds above 1750 input RPM, gear reducers may become thermally limited. For continuous operation, limit input HP to 1750 RPM input ratings shown. Contact Factory with application requirements if higher speeds are required.
Accessories and
For input/ output shaft overhung load and thrust load ratings, refer to pages 646-648.
Additional Capabilities
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