Worm gearbox NRV

DESCRIPTION

Worm gearboxes NRW are very convenient to operate due to low noise and compatibility with foreign analogs. This type of gearbox belongs to single-reduction gear units, and it is very compact and designed for high loads. Due to the quality-to-price ratio, the worm gearbox NRW is the bestseller throughout Russia.

Overall and connection dimensions gearbox NRV

NRV
A
В
С
C1
D(H7)
D1(j6)
E(h8)
F
G
H
H1
J
К
L1
M
N
0
P
Q
R
30
80
97
54
44
14
9
55
32
56
65
29
51
20
63
40
57
30
75
44
6.5
40
100
121.5
70
60
18(19)
11
60
43
71
75
36.5
60
23
78
50
71.5
40
87
55
6.5
50
120
144
80
70
25(24)
14
70
49
85
85
43.5
74
30
92
60
84
50
100
64
8.5
63
144
174
100
85
25(28)
19
80
67
103
95
53
90
40
112
72
102
63
110
80
8.5
75
172
205
120
90
28(35)
24
95
72
112
115
57
105
50
120
86
119
75
140
93
11
90
206
238
140
100
35(38)
24
110
74
130
130
67
125
50
140
103
135
90
160
102
13
110
252.5
295
170
115
42
28
130
144
165
74
142
60
155
127.5
167.5
110
200
125
14
130
292.5
335
200
120
45
30
180
155
215
81
162
80
170
147.5
187.5
130
250
140
16
150
340
400
240
145
50
35
180
185
215
96
195
80
200
170
230
150
250
180
18

 

NRV
S
T
V
PA
PB
PC
PE
PM
PN(HB)
PO
PP
PQ
b
b1
t
t1
m
a
a1
kg
30
21
5.5
27
54.5
6
4
M6x11(n=4)
68
50
6.5(n=4)
80
70
5
3
16.3
10.2
45″
1.2
40
26
6.5
35
67
7
4
M6x8(n=4)
75
60
9(n=4)
110
95
6
4
20.8(21.8)
12.5
45°
45°
2.3
50
30
7
40
90
9
5
M8x10(n=4)
85
70
11(n=4)
125
110
8
5
28.3(27.3)
16.0
M6
45°
45°
3.5
63
36
8
50
82
10
6
M8x14(n=8)
150
115
11(n=4)
180
142
8
6
28.3(31.3)
21.5
M6
45°
45°
6.2
75
40
10
60
111
13
6
M8x14(n=8)
165
130
14(n=4)
200
170
8
8
31.3(38.3)
27.0
M8
45°
45″
9
90
45
11
70
111
13
6
M10x18(n=8)
175
152
14(n=4)
210
200
10
8
38.3(41.3)
27.0
M8
45°
45″
13
110
50
14
85
131
15
6
M10x18(n=8)
230
170
14(n=8)
280
260
12
8
45.3
31.0
M10
45°
45°
42.5
130
60
15
100
140
15
6
M12x21(n=8)
255
180
16(n=8)
320
290
14
8
48.8
33.0
M10
45°
22.5°
59
150
72.5
18
120
155
15
6
M12x21(n=8)
255
180
16(n=6)
320
290
14
10
53.8
38
M12
45°
22.5
87

Allowable radial load on the output shaft

i
n2
030
040
050
063
075
090
110
130
5
280
599
1149
1586
2062
2428
2687
3389
4433
7.5
186
691
1325
1829
2378
2799
3098
3908
5112
10
140
758
1454
2007
2609
3072
3400
4288
5610
15
94
868
1665
2298
2988
3518
3893
4910
6424
20
70
954
1829
2525
3283
3665
4277
5395
7057
25
56
1033
1981
2735
3556
4187
4633
5844
7645
30
47
1086
2087
2881
3745
4410
4880
6155
8052
40
35
1204
2309
3188
4145
4880
5401
6812
8912
50
28
1296
2485
3431
4461
5252
5812
7331
9590
60
24
1381
2649
3658
4756
5599
6196
7815
10224
80
18
1516
2907
4014
5218
6144
6799
8576
11219
100
14
1638
3142
4338
5639
6639
7348
9268
12124

Reference designation of the gearbox NRV-30 -7,5-VZ, where:

  • NRV — gearbox;
  • 63 — standard size (center distance of the worm-and-worm gear);
  • 7,5 — gear ratio;
  • VZ — horizontal mounting position.

Parameters of the worm-and-worm gear engagement

 

type-size
i
5
7.5
10
15
20
25
30
40
50
60
80
100
030
m
1.5
1.5
1.5
1.5
1
1.75
1.5
1
0.9
0.75
0.55
/
z1
6
4
3
2
2
1
1
1
1
1
1
/
y
29°3′
20°19′
15°31′
10°29″
5°42′
6°10′
5°17′
2°52′
3°26′
2°52′
1°58′
/
nd
0.874
0.856
0.829
0.782
0.673
0.700
0.667
0.520
0.567
0.520
0.422
/
ns
0.723
0.675
0.637
0.559
0.461
0.442
0.400
0.308
0.319
0.275
0.221
/
040
m
2
2
2
2
1.6
1.25
2
1.6
1.25
1
0.8
0.65
z1
6
4
3
2
2
2
1
1
1
1
1
1
y
30°58′
21°48′
16°42′
11°19′
11°19′
8°8′
5°43′
5°43′
4°5′
2°52′
2°52″
2°29′
nd
0.886
0.862
0.839
0.805
0.792
0.738
0.675
0.668
0.604
0.541
0.513
0.477
ns
0.737
0.703
0.661
0.589
0.559
0.502
0.434
0.411
0.351
0.284
0.276
0.243
050
m
2.5
2.5
2.5
2.5
2
1.6
2.5
2
1.6
1.25
1
0.8
z1
6
4
3
2
2
2
1
1
1
1
1
1
y
30°58′
21°48′
16°42′
11°19′
11°19′
9°5″
5°43′
5°43′
4°21′
2°52′
2°52′
2°17′
nd
0.887
0.874
0.852
0.808
0.805
0.771
0.711
0.693
0.634
0.532
0.530
0.483
ns
0.737
0.695
0.654
0.581
0.561
0.517
0.434
0.403
0.352
0.289
0.270
0.227
063
m
/
3.25
3.25
3.25
2.5
2
3.25
2.5
2
1.6
1.25
1
z1
/
4
3
2
2
2
1
1
1
1
1
1
y
/
24°31′
18°53′
12°51′
11°19′
8°45′
6°30′
5°43′
4°24′
3°3′
2°52′
2°12′
nd
/
0.880
0.870
0.830
0.820
0.780
0.740
0.716
0.660
0.571
0.562
0.486
ns
/
0.710
0.670
0.600
0.557
0.510
0.450
0.409
0.360
0.304
0.276
0.229
075
m
/
4
4
4
3
2.5
4
3
2.5
2
1.6
1.25
z1
/
4
3
2
2
2
1
1
1
1
1
1
y
/
28°4′
21°48′
14°56′
11°19′
11°19′
7°36′
5°43′
5°43′
3°49′
4°21′
2°52′
nd
/
0.912
0.904
0.876
0.850
0.848
0.810
0.770
0.769
0.695
0.719
0.626
ns
/
0.712
0.683
0.614
0.570
0.542
0.466
0.420
0.395
0.342
0.316
0.267
090
m
/
5
5
5
3.75
3
5
3.75
3
2.5
1.9
1.5
z1
/
4
3
2
2
2
1
1
1
1
1
1
y
/
33°41′
26°34′
18°26′
14°02′
11°19′
9°28′
7°08′
5°43′
4°46′
3°53′
2°52′
nd
/
0.905
0.898
0.873
0.849
0.824
0.804
0.765
0.727
0.690
0.638
0.572
ns
/
0.734
0.706
0.650
0.606
0.563
0.505
0.459
0.414
0.380
0.342
0.271
110
m
/
5.9
5.9
5.9
4.6
3.75
5.9
4.6
3.75
3.15
2.4
1.9
z1
/
4
3
2
2
2
1
1
1
1
1
1
y
/
28°46′
22°22′
15°21′
14°20′
14°02′
7°49′
7°17′
7°08′
5°48′
4°54′
3°37′
nd
/
0.901
0.891
0.862
0.848
0.851
0.793
0.776
0.768
0.729
0.692
0.628
ns
/
0.721
0.691
0.631
0.618
0.598
0.482
0.478
0.451
0.415
0.372
0.319
130
m
/
7
7
7
5.4
4.4
7
5.4
4.4
3.75
2.75
2.25
z1
/
4
3
2
2
2
1
1
1
1
1
1
y
/
29°15′
22°47′
15°39′
13°47′
12°24′
7°58′
7°00′
6°17′
6°7′
3°56′
3°41′
nd
/
0.911
0.891
0.872
0.860
0.845
0.803
0.779
0.758
0.749
0.671
0.657
ns
/
0.721
0.691
0.631
0.610
0.583
0.492
0.460
0.435
0.406
0.335
0.308

FREE SELECTION OF GEARBOX

CALL US +7 (3412) 57-09-88 OR ORDER THE CALL

Here you can give any information for the selection of gearbox.

The manager will contact you in 10 minutes!

БЫСТРЫЙ ЗАКАЗ