catalog
YOUR MANAGER
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
|
—
|
0°
|
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
|