WORM GEARBOXES

NMRV Series

For applications where servo performance might not be required, such as conveyors and lifting platforms.

we can offer a range of attractively priced, reliable worm gearboxes.

Other ranges include:

Helical gear units
Helical bevel gear units

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Typical Range Data
Input speed = 2800 rpm

i n2
rpm 		kW
Nm 		NMRV
30 		NMRV
40 		NMRV
50 		NMRV
63 		NMRV
75 		NMRV
90 		NMRV
110 		NMRV
130 		NMRV
150
5 560 P in 0.79 1.6 2.9
M out 12 24 45
7.5 373 P in 0.58 1.2 2.3 4 5.6 8.9 16.6 22.1 35.7
M out 13 28 52 93 130 210 391 520 840
10 280 P in 0.45 1 1.8 3.2 4.7 7.7 14.1 18.7 28.4
M out 13 29 54 97 145 235 437 580 890
15 187 P in 0.31 0.72 1.3 2.3 3.4 6 10.7 14.7 19.8
M out 13 31 57 103 150 270 489 670 910
20 140 P in 0.23 0.52 0.95 1.7 2.8 4.4 8 11 16.1
M out 12 29 53 100 160 260 483 660 980
25 112 P in 0.25 0.42 0.75 1.3 2.1 3.4 6.8 9 12
M out 16 28 51 92 150 250 506 670 890
30 93 P in 0.21 0.44 0.82 1.5 2.1 3.7 6.5 9 10.5
M out 15 34 64 120 170 310 552 770 920
40 70 P in 0.16 0.32 0.59 1.1 1.6 2.6 4.7 6.5 10.6
M out 14 31 59 108 165 275 529 730 1200
50 56 P in 0.12 0.26 0.45 0.83 1.2 2 3.7 5.1 8.1
M out 13 30 53 100 150 265 495 700 1100
60 47 P in 0.1 0.21 0.37 0.68 1 106 3 4 6.2
M out 12 28 50 95 145 245 473 640 990
80 35 P in 0.08 0.16 0.27 0.49 0.72 1.2 2 3 4.6
M out 11 25 45 85 130 225 399 590 920
100 28 P in 0.12 0.21 0.37 0.58 0.9 1.6 2.2 3.3
M out 23 40 74 120 200 368 520 810

The above data are typical values at the speed shown. The final selection of a gearbox depends on a number of factors such as:
– Operating speed
– Service factor
– Ambient temperature
– Mounting arrangement
– Radial loading etc.