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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
RBQ8107
RBQ897
RBQ887
RBQ877
Size
**
180TC
56C
-
33.52
**
30.93
23.99
19.13
-
140TC
A
Size
RBQ867
RBQ857
7.48
8.14
207
190
B
AD
7.87
9.13
232
200
7.93
216
8.50
201
D
BA
5.32
5.91
150
135
0.53
14
14
0.53
G
F
E
0.82
21
0.75
2.18
61
2.39
55
19
J
H
7.68
6.50
195
165
OA
3.94
3.94
100
100
8.48
215
9.08
231
240
8.40
213
9.44
Q
115
4.53
130
5.12
8.47
6.69
11.42
9.84
RBQ897
RBQ8107
RBQ887
RBQ877
341
387
15.25
13.42
288
11.34
220
8.66
140
5.51
115
4.53
160
185
7.28
6.30
12.59
17.32
14.37
16.08
14.00
356
408
11.96
9.97
304
253
365
440
320
245
9.65
9.84
250
8.86
225
7.09
180
140
5.51
250
290
215
170
16.78
15.84
13.04
10.47
12.21
14.57
310
370
10.24
260
205
8.07
35
1.38
38
1.50
25
28
1.11
0.98
55
2.16
74
2.93
90
4.00
102
3.55
23
26
1.02
0.91
19
0.75
18
0.69
402
426
331
266
19.00
16.41
417
483
10.79
12.99
330
274
1/2-13 x 1.13
1/2-13 x 1.13
M
1.51
1.51
UY
2.76
N/A
V
U
VO
0.44
0.44
Size
RBQ857
RBQ867
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
RBQ8107
RBQ877
RBQ887
RBQ897
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
N/A
6
0.24
N/A
K
N/A
N/A
N/A
N/A
11
0.35
9
0.45
X
2.83
2.94
5.62
3.27
4.06
4.95
RBQ867
RBQ857
17.37
-
16.33
-
E
OA
J
A
UY
Dimensions subject to change without notice
Q
C
B
F
U
BA
G
M
TAP
VO
X
V
D
AD
OUTPUT
SHAFT
"H" DIA. HOLES
K
OUTPUT
KEY
inch
mm
Output Key
Dimension “C”
+ 0.000
- 0.001
LIFTING EYE ON
R887, R897 &
R8107 ONLY
BE1
BE
Gearcase
Output Shaft - Inches
NEMA Motor Mounting Dimensions - Inches
Frame
AJ
AK
BD
BE
BE1 Bore
Keyway
BF
Dia.
56C
5.88 4.50 6.50 0.38 N/A 0.625 3/16 X 3/32 0.41
140TC
5.88 4.50 6.50 0.38 N/A 0.875 3/16 X 3/32 0.41
AK
BD
AJ
(4) HOLES
BF
BORE
Helical - Inline
Quad Reduction
Dimensions
Style RBQ