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443
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
AK
AH
AJ
BB
BD
OA
SA
Q
BF
GA
RFN867
RFN857
8.40
9.44
240
213
8.46
8.46
215
215
9.84
250
250
9.84
0.16
4
0.16
0.53
14
0.53
14
4
2.76
2.76
70
70
0.43
11
0.43
11
8.92
247
9.71
227
4.96
146
5.75
126
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
1/2-13 x 1.13
1/2-13 x 1.13
M
1.51
1.51
UY
2.76
N/A
V
KEY
U
VO
0.44
0.44
Size
RFN857
RFN867
1.375
1.375
5/16 x 5/16 x 1-3/4
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
Model
C
RFN857
RFN867
RFN8107
RFN877
RFN887
RFN897
Size
19.10
18.06
36.64
34.05
27.48
21.92
3/16 x 3/16 x 2
3/16 x 3/16 x 1-1/16
0.875
0.750
RFN867
RFN857
Size
FU
0.82
0.95
FZ
1.57
2.25
FV
0.25
N/A
FO
KEY
N/A
1/4-20 x 0.75
FM
5/16 x 5/16 x 2-3/8
1/4 x 1/4 x 2-1/2
1.125
1.375
RFN887
RFN8107
RFN897
RFN877
1.51
1.23
3.15
2.63
0.35
N/A
1/2-13 x 1.41
3/8-16 x 1.00
5/16 x 5/16 x 2-3/8
1.375
1.51
3.15
0.35
1/2-13 x 1.41
3/16 x 3/16 x 1-1/16
0.750
0.82
1.57
0.25
N/A
OUTPUT
SHAFT
BF
DIA HOLES
UY
Dimensions subject to change without notice
Q
U
M
TAP
OUTPUT
KEY
VO
V
BB
GA
AH
SA
AK
BD
AJ
OA
FM
TAP
FV
FO
FU
INPUT
KEY
C
FZ
INPUT
SHAFT
7.087
7.087
180
180
9.843
350
350
230
250
9.055
13.780
13.780
-.0004
-.0029
+ 0
-.064
-.0004
-.0029
+ 0
-.064
+ 0
-.072
+.0001
-.0027
-.0005
-.0025
+ 0
-.051
+ 0
-.070
-.0005
-.0032
+ 0
-.070
-.0005
-.0032
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
Quad Reduction
Dimensions
Style RFN