Grove Gear 8050 Catalog

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GR Series Dimensions Styles: DXHMQ, DXHM, DXH

Single Reduction Worm Gear Reducers

STYLE DXHMQ, DXHM, DXH DIMENSIONS (Inches)

4 -!8s 5

Input Key L

Output

Size

AC AD AE1 AE2 AF

FC W

-0.000 +0.000

Key

Worm - Worm Gear Reducers

+0.0025 -0.0015 GR813 4.19 2.97 0.41 3.90 0.53 0.32 0.75 4.75 3.80 4.66 1.33 1.91 1.72 2.00 N/A 1.00 0.53 2.61 3.25 N/A N/A 0.50 1.00 5.00 6.16 0.625 N/A 1/8 X 1.00 3/16 x 1.50 GR815 5.97 4.41 0.35 4.61 0.51 0.30 0.75 5.42 5.19 5.38 1.54 1.91 1.91 2.75 N/A 1.38 0.53 3.14 4.19 N/A N/A 0.75 1.00 5.00 6.56 0.625 N/A 3/16 X 1.38 3/16 x 1.50 GR818 6.19 4.56 0.41 4.73 0.49 0.28 0.75 5.50 5.19 5.75 1.75 1.91 2.06 2.75 N/A 1.38 0.53 3.24 4.19 N/A N/A 0.75 1.44 5.00 6.92 1.000 N/A 3/16 X 1.38 1/4 x 3.00 GR821 7.24 5.43 0.41 4.99 0.61 0.40 0.75 6.00 5.80 6.38 2.06 1.91 2.28 3.00 N/A 1.44 0.53 3.61 V N/A N/A 0.75 1.44 5.00 7.45 1.500 N/A 3/16 X 1.38 3/8 x 3.00 GR824 7.69 5.75 0.59 5.18 0.51 0.31 0.75 6.00 6.12 6.94 2.38 2.36 2.50 2.88 N/A 1.44 0.53 3.77 5.00 10.24 1.76 0.75 1.94 6.50 8.45 1.500 .625 3/16 X 1.63 3/8 x 3.00 GR826 8.81 6.69 0.73 6.01 0.60 0.39 0.75 7.00 7.38 8.00 2.63 2.36 2.94 3.38 N/A 1.69 0.53 4.34 6.33 10.80 1.76 0.75 1.94 6.50 9.13 1.500 .625 3/16 X 1.63 3/8 x 3.00 GR830 10.63 8.25 0.63 6.53 0.60 0.36 0.75 7.50 8.12 8.88 3.00 2.36 3.25 4.00 N/A 2.00 0.53 4.84 7.00 11.56 3.61 0.88 2.51 6.50 9.82 2.188 .625 3/16 X 1.63 1/2 x 3.00 GR832 10.88 8.50 0.88 7.04 0.54 0.29 0.75 7.88 8.75 9.38 3.25 2.36 3.50 4.00 N/A 2.00 0.53 5.02 7.50 11.75 3.61 0.88 2.51 6.50 10.32 2.188 .625 3/16 X 1.63 1/2 x 3.00 GR842 11.94 9.44 0.56 7.53 0.63 0.34 0.75 8.50 10.25 11.38 4.25 2.87 4.44 5.00 N/A 2.50 0.53 6.10 8.50 17.48 3.61 0.75 2.75 8.50 13.31 2.188 1.250 1/4 X 2.50 1/2 x 3.00 GR852 13.88 10.12 0.69 8.85 0.97 0.68 1.00 10.50 13.00 14.00 5.25 2.87 5.12 5.81 N/A 2.91 0.66 7.50 11.00 18.88 3.61 1.00 4.26 8.50 14.99 3.438 1.250 1/4 X 3.00 7/8 x 3.44 GR860 15.00 11.50 0.88 10.52 0.52 0.52 0.38 11.50 14.50 16.50 6.00 2.87 6.50 6.38 10.24 3.19 0.66 N/A 12.75 19.60 3.61 0.69 4.18 8.50 17.12 3.438 1.250 3/8 X 3.00 7/8 x 3.44 GR870 + N/A N/A 1.06 11.36 1.09 1.09 N/A 13.50 14.88 18.91 7.00 3.49 7.59 5.50 10.63 2.75 N/A N/A 12.50 19.68 2.50 N/A 4.92 10.36 21.84 3.938 1.125 3/8 x 2.87** 1 x 1/2** GR880 + N/A N/A 1.06 12.48 1.03 1.03 N/A 14.50 17.00 20.96 8.00 4.07 8.86 6.50 11.93 3.25 N/A N/A 14.25 21.30 3.00 N/A 5.55 11.64 25.93 4.438 1.375 1/2 x 2.81** 1 x 1/2** GR8100 + N/A N/A 1.33 15.78 1.39 1.39 N/A 18.50 20.88 25.47 10.00 4.90 10.36 6.88 14.34 3.44 N/A N/A 17.75 25.78 3.50 N/A 6.67 13.85 31.35 5.438 1.500 1/2 x 3.69** 1-1/4 x 5/8**

Double Reduction

Helical - Worm Gear Reducers

Double Reduction

See feature comparison chart.

FEATURE COMPARISON (821)

Output

Mounting Footprint Needed?

Grove Gear

LEESON IRONMAN Interchange

Replace With Series Code

All Other Features

Shaft Diameter

Flexaline

Size

Needed?

Interchange

Below:

(F)3.00” x (J)4.75” (F)2.88” x (J)5.00”

GRG GRL

821

Identical

WASHGUARD ® Reducers and GEAR+MOTOR™ Ratio Multipliers

Motor Mounting Dimensions NEMA DIMENSIONS (Inches) LM L1 LQ LQ1

NEMA DIMENSIONS (Inches)

Frame

BE1 Bore Keyway X

Size

56C/ 140TC

180TC/ 250TC

48CZ/

180TC

210TC 250TC

48CZ/

180TC 210TC

250TC

Dia. 48CZ 3.75 3.00 4.36 0.38 N/A 0.500 1/8 X 1/16 0.28 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 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

210TC

56C/140TC

GR813 GR815 GR818 GR821 GR824 GR826 GR830 GR832 GR842 GR852 GR860

N/A N/A N/A N/A

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.66 20.66 22.06 22.06 22.78 22.78

8.29 8.82 8.92 9.29

N/A N/A N/A N/A N/A N/A N/A N/A

7.79 8.32 8.42 8.79

N/A N/A N/A N/A N/A N/A N/A N/A

9.38 Q 9.94 Q

12.49 13.05 13.55 13.74

9.88 Q

10.44 Q 11.20 Q 11.39 Q

10.70 Q 10.89 Q

N/A N/A N/A

14.97 14.97 15.53 16.37 16.37 16.93 17.09 17.09 17.65

N/A N/A N/A

14.46 14.46 15.86 15.86 16.58 16.58

14.86 16.26 16.98

NOTE: Sizes GR870-8100 torque arm not available.

÷ 0D[ ERUH GLPHQVLRQV VKRZQ )RU DGGLWLRQDO ERUHV DYDLODEOH UHIHU WR SDJH ** Key not provided with gear reducer. Keyway dimension shown. X Keyway width by depth Q 48CZ not available L Style DXH and DXHM only. + Sizes 870-8100 have an input shaft which is not aligned with centerline of primary stage reducer. Y Metric IEC B5 input flange options are available only on quill input styles.

Dimensions same for GRG and GRL Series W Sizes 860-8100 have extended cap on input cover. Dimension FC is to back face of the cap. Torque arm bracket available separately. Refer to page 290 for kits. If a special bracket is required, refer to Style DXMQ dimensions for mounting pad dimensions on top/bottom of reducer.

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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