Grove Gear 8050 Catalog
GR Series Dimensions Styles: FEMQ, FEM, FE
Single Reduction Worm Gear Reducers
STYLE FEMQ, FEM, FE DIMENSIONS (Inches)
Worm - Worm Gear Reducers
Series
A
AC
AD
AM
B
D
CD
F
FA W
FH
H
I
J
L
M
GR830 11.00 0.375 GR832 12.50 0.375 GR842 14.00 0.500 GR852 16.00 0.750 GR860 19.50 0.750 GR870 22.00 1.000 GR880 28.00 1.062 GR8100 32.00 1.118
.31-18 UNC X 1.00 DP .31-18 UNC X 1.00 DP .38-16 UNC X 1.00 DP .38-16 UNC X 1.00 DP .38-16 UNC X 1.00 DP .38-16 UNC X 1.00 DP .62-11 UNC X 1.50 DP .62-11 UNC X 1.50 DP
3.15 11.00 3.40 12.50 3.62 14.00 4.28 16.00 5.28 19.50 6.06 22.00
4.60 5.52 5.74 6.00 7.00 8.50
3.00 3.25 4.25 5.25 6.00 7.00
9.00
N/A N/A N/A N/A
5.12 5.75 6.75 8.00
.56 .56 .69 .81 .88
4.84 5.02 6.10 7.50 N/A N/A N/A N/A
9.00
6.57 6.76 9.57
2.38 2.38 3.47 3.38 3.41 2.97 2.84 3.76
Double Reduction
10.50 12.00 14.00
10.50 12.00
14.00 10.88 17.00 11.78 19.00 11.50 24.00 12.50 28.00 15.50
17.00 11.13 9.50
19.00 11.37 10.75 1.13 24.00 12.52 13.75 1.31
6.22 28.00 10.00 8.00
7.94 32.00 12.50 10.00 28.00 14.69 17.00 1.31
T
U
Helical - Worm Gear Reducers
Input Key L
Series
N
O*
V
P Y
+0.000 -0.0015 1.438 1.625 1.688 2.188 2.438 2.937 3.438 3.938
+0.000 -0.0015
GR830
14.38
4.96 4.63 5.91 5.62 7.63 7.63 9.25 9.43
0.78 0.88 1.00 1.25 1.50 1.75 2.00 2.25
.875 .875
3/16 x 1.63 3/16 x 1.63 1/4 X 2.50 1/4 X 3.00 3/8 X 3.00 3/8 x 2.87** 1/2 x 2.81** 1/2 x 3.69**
3/8 x 3.88 3/8 x 3.69 3/8 x 4.68 1/2 x 4.63 5/8 x 6.50 3/4 x 6.44 7/8 x 8.00
Double Reduction
GR832 15.00
GR842 GR852 GR860 GR870 GR880
16.50 16.50 22.50 24.00 27.06
1.250 1.250 1.500 1.625 1.875 2.250
GR8100 29.50
1 x 7.75
Motor Mounting Dimensions
WASHGUARD ® Reducers and GEAR+MOTOR™ Ratio Multipliers
NEMA DIMENSIONS (Inches) LM L1 LQ
NEMA DIMENSIONS (Inches)
LQ1
RQ
Frame
AJ b
BF b
AK
BD
BE
BE1 Bore Keyway X
Size
56C/ 140TC
180TC/ 250TC
56C/140TC 180TC 210TC 250TC 56C/140TC
180TC
210TC
250TC
Dia.
210TC
56C 5.88 4.50 6.50 0.38 N/A .625 3/16 X 3/32 0.41 140TC 5.88 4.50 6.50 0.38 N/A .875 3/16 X 3/32 0.41 180TC 7.25 8.50 9.00 N/A 0.50 1.125 1/4 X 1/8 0.53 210TC 7.25 8.50 9.00 N/A 0.50 1.375 5/16 X 5/32 0.53 250TC 7.25 8.50 9.00 N/A 0.50 1.625 3/8 X 3/16 0.53
GR830 GR832 GR842 GR852 GR860 GR870 GR880
8.82 9.01
9.82
N/A
5.95 6.14 6.45 7.85
6.15 6.34 7.21 8.61 9.33 N/A N/A
6.56 6.75 7.21 8.61 9.33 N/A N/A
N/A N/A 7.77 9.17 9.94 N/A N/A
5.32 5.51 6.04 7.35
5.63 5.81 6.68 7.98 8.69 N/A N/A
6.06 6.25 6.68 7.98 8.69 N/A N/A
N/A N/A 7.24 8.54 8.69 N/A N/A
10.01 N/A 12.90 13.46 14.30 14.86 15.88 16.50 15.50 15.50 16.58 O 16.58
11.81 13.21
N/A N/A N/A
10.45
10.01
N/A N/A
N/A N/A
IEC B5 & B3/B5 METRIC DIMENSIONS (Inches) Y
IEC B5 & B3/B5 METRIC DIMENSIONS (MM)
LQ
RQ
Frame
Bore Keyway X
AJ
AK
BD
BE
BF TAP
OD
Size
D100LD/ D132D
Dia.
D71D
D80D
D90D
D71D
D80D
D90D D100LD/ D112MD
D132D
D112MD
D71D D80D D90D
130 110 132 165 130 165 165 130 165
11 15 15
14 19 24
5 X 2.5 M8 X 1.25 146
GR830 4.78 GR832 4.97 GR842 N/A GR852 N/A
5.41 5.59 N/A N/A
5.41 5.59 6.38 7.78
5.88 6.07 6.39 7.78
N/A N/A 7.17 8.57
4.59 4.78 N/A N/A
5.22 5.41 N/A N/A
5.22 5.41 6.16 7.46
5.57 5.76 6.14 7.45
N/A N/A 6.93 8.24
6 X 3
M10 X 1.50 184
8 X 3.5 M10 X 1.50 184
D100LD/ D112MD
215 180 216
18
28
8 X 3.5 M12 X 1.75 237
D132D
265 230 267
18
38
10 X 4 M12 X 1.75 290
L Style FE and FEM only. W Sizes 860-8100 are supplied with a fan. Dimensions refer to fan guard location.
** Key not provided with gear reducer. Keyway dimension shown. X Keyway width by depth E Mounting holes rotated 45 degrees from positions shown on Size GR860, Style FEM with frame sizes 180TC-250TC. Q 180TC not available O Metric IEC B5 input flange options are available only on quill input styles.
For safety, purchaser or user should provide protective guards over shaft extensions and any couplings, sheaves and belts, sprockets and chains, etc., mounted thereon.
WARNING
Additional Capabilities
Accessories and
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