Product Dimensions
Precision Gearheads
NR (Right Angle)
NR Dimensions
Frame
Size
A
Square
Flange
B
Bolt
Hole
C
Bolt
Circle
D
Pilot
Diameter
E
Output
Shaft Dia.
F
Output
Shaft Length
G
Pilot
Thickness
H
Flange
Thickness
I
Input Pilot
Diameter
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
NR 23
2.27
58
0.195
5
2.625
66.7
1.5
38.1
0.375
9.5
1
25.4
0.062
1.6
0.22
6
1.501
38.13
NR 34
3.25
83
0.218
5.5
3.875
98.4
2.875
73
0.5
12.7
1.25
31.8
0.065
1.7
0.38
10
2.876
73.05
NR 42
4.25
108
0.281
7.1
4.95
125.7
2.187
55.5
0.625
15.9
1.5
38.1
0.093
2.4
0.5
13
2.188
55.58
Frame
Size
J
Input Pilot
Diameter
K
Dist. to Output
Centerline
L
Housing
Length
M
Keyway
Width
N
Dist. to Input
Centerline
O
Keyway
Length
P
Keyway
Width
Q
Keyway
Depth
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
(in)
(mm)
NR 23
0.08
2
3.09
78
4.22
107
2.49
63
1.36
35
0.75 flat
19 flat
—
—
0.015 flat
0.4 flat
NR 34
0.2
5.1
4.33
110
5.96
151
3.63
92
2
51
1.13
29
0.124
3.15
0.072
1.8
NR 42
0.187
4.7
5.38
137
7.5
191
4.75
121
2.63
67
1.13
29
0.187
4.75
0.108
2.7

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