Grove Gear 8050 Catalog

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GR Series Dimensions Styles: DXFHMQ, DXFHM, DXFH

Single Reduction Worm Gear Reducers

STYLE DXFHMQ, DXFHM, DXFH DIMENSIONS (Inches)

4 -!8s

Input Key L

Output

Size

FC W

-0.000

+0.000 -0.0015

Key

+0.0025

Worm - Worm Gear Reducers

GR813 GR815 GR818 GR821 GR824 GR826 GR830 GR832

2.82 0.53 3.80 3.44 0.51 5.19 3.56 0.49 5.19 3.81 0.61 5.80 4.06 0.51 6.12 4.84 0.60 7.38 5.25 0.60 8.12 5.75 0.54 8.75

4.66 1.33 1.91 1.72 N/A 0.34 2.61 N/A 5.38 1.54 1.91 1.91 N/A 0.34 3.14 N/A 5.75 1.75 1.91 2.06 N/A 0.34 3.24 N/A 6.38 2.06 1.91 2.28 N/A 0.41 3.61 N/A

N/A 2.38 2.52 0.38 5.92 N/A 2.71 2.87 0.38 5.88 N/A 2.75 3.18 0.38 6.64 N/A 3.00 3.69 0.44 7.88

5.00 5.00 5.00 5.00

5.92 5.88 6.64 7.88

6.16 6.56 6.92 7.45

4.50 0.625 N/A

1/8 X 1.00 3/16 x 1.50

4.50 0.625 N/A 3/16 X 1.38 3/16 x 1.50 5.00 1.000 N/A 3/16 X 1.38 1/4 x 3.00 5.99 1.500 N/A 3/16 X 1.38 3/8 x 3.00 6.27 1.500 .625 3/16 X 1.63 3/8 x 3.00 6.67 1.500 .625 3/16 X 1.63 3/8 x 3.00 7.37 2.188 .625 3/16 X 1.63 1/2 x 3.00

Double Reduction

6.94 2.38 2.36 2.50 N/A 0.41 3.77 10.24 1.76 3.00 3.73 0.44 8.39 6.50 8.39 8.45 8.00 2.63 2.36 2.94 N/A 0.41 4.34 10.80 1.76 3.50 3.70 0.50 8.88 6.50 8.88 9.13 8.88 3.00 2.36 3.25 N/A 0.41 4.84 11.56 3.61 3.75 3.78 0.50 9.89 6.50 9.89 9.82 9.38 3.25 2.36 3.50 N/A 0.41 5.02 11.75 3.61 3.94 4.03 0.50 9.89 6.50

9.89 10.32 7.37 2.188 .625 3/16 X 1.63 1/2 x 3.00 12.95 13.31 9.65 2.188 1.250 1/4 X 2.50 1/2 x 3.00 15.50 14.99 11.75 3.438 1.250 1/4 X 3.00 7/8 x 3.44 18.00 17.12 14.00 3.438 1.250 3/8 X 3.00 7/8 x 3.44

GR842 6.13 0.63 10.25 11.38 4.25 2.87 4.44 N/A 0.56 6.10 17.48 3.61 4.25 4.56 0.62 12.95 8.50 GR852 7.19 0.97 13.00 14.00 5.25 2.87 5.12 N/A 0.69 7.50 18.88 3.61 5.25 5.62 0.75 15.50 8.50 GR860 8.13 0.52 14.50 16.50 6.00 2.87 6.50 10.24 0.69 N/A 19.60 3.61 5.75 7.26 0.75 18.00 8.50

GR870 7.63 1.09 14.88 18.91 7.00 3.49 7.59 10.63 0.78 N/A 19.68 2.50 6.75 7.45 0.75 21.00 10.36 21.00 21.84 15.63 3.938 1.125 3/8 x 2.87** 1 x 1/2** GR880 8.63 1.03 17.00 20.96 8.00 4.07 8.86 11.93 1.03 N/A 21.30 3.00 7.25 8.34 0.75 24.00 11.64 24.00 25.93 17.88 4.438 1.375 1/2 x 2.81** 1 x 1/2** GR8100 9.53 1.39 20.88 25.47 10.00 4.90 10.36 14.34 1.03 N/A 25.78 3.50 9.25 9.07 1.00 29.00 13.85 29.00 31.35 21.19 5.438 1.500 1/2 x 3.69** 1-1/4 x 5/8**

Helical - Worm Gear Reducers

Double Reduction

FEATURE COMPARISON (821, 826, 832)

Output

Mounting Footprint Needed?

Grove Gear

LEESON IRONMAN Interchange

Replace With Series Code

All Other Features

Shaft Diameter

Flexaline

Size

Needed?

Interchange

Below:

GRG GRL

Identical lj

821

Identical

lj ,I $FFHVVRU\ NLW LV UHPRYHG GLPHQVLRQV ZLOO YDU\

NOTE: If reducer is used without the accessory mounted, select based mounting dimensions on pages 212-213 (DXMQ, DXM, DX).

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

÷ 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 DXFH and DXFHM only. + Sizes 870-8100 have an input shaft which is not aligned with centerline of primary stage reducer.

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.

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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