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441
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
www.grovegear.com
BRAVO
®
Single Reduction Reducers
BRAVO
®
Worm - Worm
Double Reduction
BRAVO
®
Helical - Worm
Double Reduction
BRAVO
®
Accessory Kits
High Efficiency Helical - Inline
Gear Reducers
High Efficiency Helical - Worm
Gear Reducers
Size
14.93
13.89
11.63
C
27.92
25.33
21.57
17.64
OUTPUT
SHAFT
BF
DIA HOLES
UY
Dimensions subject to change without notice
Q
C
U
M
TAP
OUTPUT
KEY
VO
V
BB
GA
AH
SA
AK
BD
AJ
FV
INPUT
KEY
FZ
FO
FM
TAP
INPUT
SHAFT
OA
FU
13.89
11.91
3/16 x 3/16 x 2
3/16 x 3/16 x 2
3/16 x 3/16 x 1-1/16
0.875
0.875
0.750
0.82
0.95
0.95
1.57
2.25
2.25
0.25
N/A
N/A
N/A
1/4-20 x 0.75
1/4-20 x 0.75
1/2 x 1/2 x 3-1/4
1/2 x 1/2 x 3-1/4
5/16 x 5/16 x 2-3/8
1/4 x 1/4 x 2-1/2
1.125
1.875
1.875
1.375
1.51
2.08
2.08
1.23
3.15
3.75
3.75
2.63
0.35
N/A
N/A
N/A
1/2-13 x 1.41
5/8-18 x 1.50
5/8-18 x 1.50
3/8-16 x 1.00
RFN847
RFN867
RFN837
RFN8107
RFN877
RFN887
RFN897
3/16 x 3/16 x 2
0.875
0.95
2.25
N/A
1/4-20 x 0.75
RFN857
3/16 x 3/16 x 1-1/16
0.625
0.60
N/A
0.69
Size
FU
FZ
FV
FO
KEY
FM
AK
AH
AJ
BB
BD
OA
SA
Q
BF
GA
RFN867
RFN847
RFN837
8.40
9.44
240
213
7.29
185
8.46
8.46
215
215
6.50
165
9.84
250
250
9.84
7.90
200
0.16
4
0.16
0.14
0.53
14
0.53
14
0.47
12
4
4
2.76
2.76
1.97
70
70
50
0.43
11
0.43
11
0.43
11
8.92
247
9.71
227
183
7.22
4.96
146
5.75
126
103
4.04
7.087
7.087
5.118
180
180
130
140
400
11.81
10.43
15.75
15.75
3.93
4.72
5.51
120
100
3.15
80
400
300
265
5
450
0.20
0.19
0.20
0.16
5
5
4
13.78
17.74
17.72
451
350
11.81
300
278
10.93
13.05
331
417
17.98
457
16.42
RFN897
RFN8107
RFN887
RFN877
12.99
10.79
19.00
16.41
483
417
330
274
9.45
11.02
280
240
7.08
180
151
5.94
25.4
19
18
0.69
19
0.75
0.75
14
0.53
1.02
1.00
26
18
0.70
15
0.59
9.843
350
350
230
250
9.055
13.780
13.780
1/2-13 x 1.13
3/8-24 x 0.88
3/8-24 x 0.91
M
1.51
1.36
1.10
UY
2.76
2.36
N/A
V
KEY
U
VO
0.41
0.44
0.40
Size
RFN847
RFN867
RFN837
1.000
1.250
1.375
1/4 x 1/4 x 1-1/2
1/4 X 1/4 x 1-11/16
5/16 x 5/16 x 1-3/4
1.625
2.875
2.375
2.125
RFN8107
RFN877
RFN887
RFN897
3.19
5.51
2.34
2.64
1.78
3.94
4.72
3.15
0.67
0.45
0.64
0.70
3/4 x 3/4 x 4-1/8
1/2 x 1/2 x 2-5/8
5/8 x 5/8 x 3-3/4
3/8 x 3/8 x 2-1/4
3/4-10 x 1.61
3/4-10 x 1.61
3/4-10 x 1.61
5/8-11 x 1.38
Size
+ 0
- .002
- .003
- .054
- .0004
- .0029
+ 0
- .064
- .0004
- .0029
+ 0
- .064
+ .0001
- .0027
+ 0
- .072
- .0005
- .0025
+ 0
- .051
- .0005
- .0032
+ 0
- .070
- .0005
- .0032
+ 0
- .070
RFN827
RFN857
8.40
213
8.46
215
250
9.84
0.16
0.53
14
4
2.76
70
0.43
11
8.92
227
4.96
126
7.087
180
- .0004
- .0029
+ 0
- .064
RFN827
1/2-13 x 1.13
1.51
N/A
0.44
RFN857
1.375
5/16 x 5/16 x 1-3/4
RFN847
RFN867
RFN837
RFN8107
RFN877
RFN887
RFN897
RFN857
RFN827
7.29
185
6.50
165
7.90
200
0.14
0.47
12
4
1.97
50
0.43
11
183
7.22
103
4.04
5.118
130
+ 0
- .002
- .003
- .054
3/8-24 x 0.91
1.10
N/A
0.40
1.000
1/4 x 1/4 x 1-1/2
1.88
RFN827
inch
mm
* See Page 444 For Additional Shaft Diameters Available.
+ 0.000
- 0.001
+ 0.000
- 0.001
LIFTING EYE ON
R887, R897 &
R8107 ONLY
Gearcase
Output Shaft - Inches
Input Shaft* - Inches
Gearcase/Input
Helical - Inline
Double Reduction
Dimensions
Style RFN