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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