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High Efficiency Helical - Bevel
Gear Reducers
High Efficiency Parallel Shaft
Gear Reducers
Stainless Steel &
WASHGUARD
®
High Efficiency Gear Reducers
Technical Information
Warnings and Cautions
Terms and Conditions
For safety and to comply with local and national safety codes, the purchaser or user must provide protective guards over all
shaft extensions and devices mounted thereon.
WARNING
R: Right Ext.
L: Left Ext.
D: Double Ext.
E
EJ
FU
BC
INPUT
SHAFT
FZ
INPUT
KEY
FO
FV
C
FA
DB
M
TAP
FB
G
QB
Q
V
BA
B
OUTPUT
SHAFT
UY
F
WG
KEY
U
VO
EA
EA
OA
D
Output Styles
-
-
0.25
-
0.82
1.57
-
-
KBN8473
0.750
0.750
-
-
0.35
-
1.51
-
3.15
-
1.375
-
-
0.32
-
1.23
-
2.36
-
1.125
0.875
-
-
0.95
1.97
-
-
0.28
-
KBN8973
KBN8873
KBN8773
0.25
3/16 x 3/16 x 1-1/16
5/16 x 5/16 x 2-3/8
1/4 x 1/4 x 1-11/16
3/16 x 3/16 x 1-1/4
3/16 x 3/16 x 1-1/16
0.82
1.57
KBN8673
Size
-
-
-
-
-
KEY
FV
FO
FZ
FU
+ 0.000
-0.001
*
2.36
0.29
1.250
2.85
2.80
7.48
KBQ8473
9.82
-
-
-
-
-
-
71 72.5
190 249
1.36
-
-
-
-
-
-
146
160
421 515
-
-
-
-
-
-
116
132
344 422
288 335 112 101
-
-
-
-
-
-
KBQ8973
KBQ8873
KBQ8773
1/4 x 1/4 x 1-11/16
1/2-13 x 1.13
5.51
0.67
2.875
3.20
5.75
6.30
16.56 20.29
3/4 x 3/4 x 4-1/8
3/4-10 x 1.61
4.72
0.51
2.375
2.64
4.57
5.20
13.54 16.61
5/8 x 5/8 x 3-5/8
3/4-10 x 1.61
11.34 13.21 4.41 3.98
3.94
0.64
2.000
2.21
1/2 x 1/2 x 2-5/8
3/4-10 x 1.61
-
-
-
-
-
-
228 283
90 87.9
3.15
0.45
3/8 x 3/8 x 2-1/4
5/8-11 x 1.38
1.78
1.625
8.98 11.13 3.54 3.46
KBQ8673
M
KEY
VO
V
UY
U
+ 0.000
- 0.001
WG
QB
Q OA
Size
11.0
0.43
18
0.71
35
1.38
1.46
37
4.72
120
130
5.31
135
5.12
0.47
12.0
112
2.95
75
5.71
145
4.41
KBQ8473
5.12
130
1.31
1.57
N/A
3.74
10.23
13.65 14.17
33
40
N/A
95
270
347
360
N/A
8.34
13.38
N/A
315
212
340
12.40
11.02
280
0.87
1.26
2.17
2.76
7.09
9.45
9.17
22
32
55
70
180
240
233
1.22
5.91
9.06
30.9
212
150
230
8.35
7.09
180
17.5
0.69
27
1.06
40
1.57
55
2.17
165
6.50
200
206
8.11
7.87
27.3
1.08
180
123.5
4.86
200
7.87
7.09
150
5.91
KBQ81073
KBQ8873
KBQ8773
1.18
1.77
5.51
6.73
6.30
24
30
45
140
160
171
0.62
3.98
6.69
15.8
140
101
170
5.51
4.72
120
0.94
13.5
0.53
D
H
G
FB
FA
F
EJ
EA
E
DB
BA
B
KBQ8673
Size
1.02
1.42
2.95
2.95
9.45
11.46 11.61
26
36
75
75
240
291
295
1.15
6.73
11.42
29.2
265
171
290
10.43
9.45
240
KBQ8973
-
-
-
-
-
-
173
200
503 601
KBQ81073
6.31
N/A
3.625
N/A
6.81
7.84
19.82 23.86
7/8 x 7/16 x 4-1/8
N/A
Dimensions subject to change without notice
14.16
360
28.62
727
24.40
620
493
19.40
405
C
15.94
32.59
828
-
-
N/A
-
N/A
-
3.75
-
1.875
KBN81073
1/2 x 1/4 x 2-3/8
7.62
194
15.82
402
14.29
363
271
10.66
8.85
225
BC
17.43
443
H
DIA
(4) HOLES
H DIA
(4) HOLES
inch
mm
inch
mm
Output Shaft
Gearcase
Gearcase
Input Shaft
Helical - Bevel
Triple Reduction Dimensions
Style KBN