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XDS Helical-Worm Geared Motor
XDK Helical-Bevel Geared Motor
XDF Parallel Shaft-Helical Geared Motor
XDR Helical Geared Motor
NMRV Seriesworm-gearspeed reducer
Combination of basic modeland worm-gear speed reducer
Worm gears with Pre-stage helical unit
Combination worm gear units
G3 Series Helical Geared Speed Reduers
Choice of Lubricant
Mounting positions
Notice for ordering
Single speed reducer
Double speed reducer
Universal speed reducer
Gear
Sprocket
Coupling
Pulley
Bush
Lock
Roller Chain
Rack
Others
 
 
NMRV Series worm-gear speed reducer
  
     
  10.Outline & installation size for NMRV025 worm-gear speed reducer  
     
 
 
 
 
A
B
C
D(H7)
D1(J6)
E
F
G
G1
G2
H
I
L
M
N(h8)N
N1
O
P
Q
R
030
54
20
80
14
9
97
32
55
63
51
40
30
56
65
55
29
6.5
75
44
57
040
70
23
100
18(19)
11
121.5
43
70
78
60
50
40
71
75
60
36.5
6.5
87
55
71.5
050
80
30
120
25(24)
14
144
29
80
92
74
60
50
85
85
70
43.5
8.5
100
64
84
063
100
40
144
25(28)
19
174
67
95
112
90
72
63
103
95
80
53
8.5
110
80
1.2
075
120
50
172
28(35)
24
205
72
112.5
120
105
86
75
112
115
95
57
11
140
93
119
090
140
50
208
35(38)
24
238
74
129.5
140
125
103
90
130
130
115
67
13
160
102
135
110
170
60
252.5
42
28
295
-
160
155
142
127.5
110
144
165
130
74
14
200
125
167.5
130
200
80
292.5
45
30
335
-
180
170
162
147.5
130
155
215
180
81
16
250
140
187.5


 
A
B
C
D(H7)
D1(J6)
E
F
G
G1
G2
H
I
L
M
N(h8)N
N1
O
P
Q
R
030
54
20
80
14
9
97
32
55
63
51
40
30
56
65
55
29
6.5
75
44
57
040
70
23
100
18(19)
11
121.5
43
70
78
60
50
40
71
75
60
36.5
6.5
87
55
71.5
050
80
30
120
25(24)
14
144
29
80
92
74
60
50
85
85
70
43.5
8.5
100
64
84
063
100
40
144
25(28)
19
174
67
95
112
90
72
63
103
95
80
53
8.5
110
80
1.2
075
120
50
172
28(35)
24
205
72
112.5
120
105
86
75
112
115
95
57
11
140
93
119
090
140
50
208
35(38)
24
238
74
129.5
140
125
103
90
130
130
115
67
13
160
102
135
110
170
60
252.5
42
28
295
-
160
155
142
127.5
110
144
165
130
74
14
200
125
167.5
130
200
80
292.5
45
30
335
-
180
170
162
147.5
130
155
215
180
81
16
250
140
187.5

 
 
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