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Single Reduction

Worm Gear Reducers

Double Reduction

Worm - Worm Gear Reducers

Double Reduction

Helical - Worm Gear Reducers

WASHGUARD

®

Reducers

and GEAR+MOTOR™

Ratio Multipliers

Accessories and

Additional

Capabilities

157

NH Series

Dimensions

Styles: DJMQ, DJM, DJ

STYLE DJMQ, DJM, DJ DIMENSIONS (Inches)

T

U

Input

Output

Size

A B BC BJ

C CD CE C1 D1 D2 F

G H J

K L M N O O* R V

+0.000 +0.000

Key

i

Key

-0.0015 -0.0015

NH813

7.42 2.75 5.32 10.10 4.66 1.33 1.33 4.66 1.72 1.72 6.42 2.60 0.38 2.00 1.00 3.82 1.76 4.00 2.16 1.94 2.94 0.25 0.750 0.500 1/8 X 1.00 3/16 X 1.50

NH815

8.06 3.75 5.85 11.44 5.00 1.54 1.33 4.66 1.72 1.88 7.06 2.91 0.34 2.75 1.38 3.82 1.76 4.25 2.56 2.35 3.75 0.25 0.750 0.500 1/8 X 1.00 3/16 X 1.50

NH818

8.50 3.75 5.94 11.78 5.44 1.75 1.33 4.66 1.72 2.06 7.50 3.09 0.34 2.75 1.38 3.82 1.76 4.75 2.94 2.73 4.00 0.25 1.000 0.500 1/8 X 1.00 1/4 X 1.75

NH821

9.06 3.75 6.32 11.91 6.00 2.06 1.33 4.66 1.72 2.31 8.06 3.34 0.34 2.75 1.38 3.82 1.76 4.34 2.66 2.45 3.75 0.25 0.875 0.500 1/8 X 1.00 3/16 X 1.50

NH824

9.96 5.00 6.44 12.72 6.88 2.38 1.33 4.66 1.72 2.69 8.70 3.60 0.41 3.75 1.88 3.82 1.76 4.88 2.91 2.69 4.44 0.25 1.000 0.500 1/8 X 1.00 1/4 X 1.75

NH826

10.46 5.00 7.01 13.29 7.38 2.63 1.33 4.66 1.72 2.94 9.20 3.85 0.41 3.75 1.88 3.82 1.76 5.25 3.28 3.07 4.44 0.25 1.125 0.500 1/8 X 1.00 1/4 X 1.75

NH830

12.01 5.25 7.35 13.98 8.22 3.00 1.75 5.00 2.06 3.38 10.75 4.63 0.41 4.00 2.00 4.35 1.76 5.77 3.56 3.31 4.94 0.31 1.250 0.625 3/16 X 1.38 1/4 X 1.75

NH832

14.00 6.25 7.53 14.47 9.28 3.25 1.75 5.00 2.06 4.19 12.50 5.41 0.53 5.00 2.50 4.35 1.76 7.03 4.24 3.99 5.25 0.31 1.500 0.625 3/16 X 1.38 3/8 X 2.25

NH842

16.50 6.75 8.47 16.65 11.50 4.25 2.06 6.00 2.31 4.50 15.00 6.25 0.69 5.00 2.50 4.82 1.76 7.50 3.88 3.59 6.50 0.50 1.750 0.625 3/16 X 1.38 3/8 X 2.25

NH852

17.69 7.20 10.64 20.36 12.69 5.25 2.63 7.38 2.94 4.88 16.31 6.69 0.69 5.81 2.91 6.07 2.38 9.00 4.72 4.47 7.75 0.50 2.000 0.750 3/16 X 1.63 1/2 X 2.50

* Applies to double output shaft

u

Keyway width by depth

n

48CZ not available

v

Metric IEC B5 input flange options are available only on quill input styles.

i

Style DJ and DJM only.

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

Motor Mounting Dimensions

IEC B5 & B3/B5 METRIC DIMENSIONS (Inches)

v

NEMA DIMENSIONS (Inches)

LM

L1

LQ

LQ1

RQ

Size

48CZ 56C/

180TC/

48CZ/

180TC 48CZ/

180TC

140TC 210TC 56C/140TC

56C/140TC

NH813

5.63 6.07 N/A 3.46

N/A 3.09

N/A

NH815

5.63 6.07 N/A 3.46

N/A 3.09

N/A

NH818

5.63 6.07 N/A 3.46

N/A 3.09

N/A

NH821

5.63 6.07 N/A 3.46

N/A 3.09

N/A

NH824

5.63 6.07 N/A 3.46

N/A 3.09

N/A

NH826

5.63 6.07 N/A 3.46

N/A 3.09

N/A

NH830

6.76 6.70 N/A 4.09

N/A 3.59

N/A

NH832

6.76 6.70 N/A 4.09

N/A 3.59

N/A

NH842

6.63 7.07 N/A 4.46

N/A 4.06

N/A

NH852

N/A 8.32 9.32 5.19

n

5.62 4.82

n

5.13

Frame AJ AK BD BE BE1 Bore Keyway

u

BF

Dia.

3.75 3.00 4.36 0.38 N/A 0.500 1/8 X 1/16 0.28

5.88 4.50 6.50 0.38 N/A 0.625 3/16 X 3/32 0.41

5.88 4.50 6.50 0.38 N/A 0.875 3/16 X 3/32 0.41

7.25 8.50 9.00 N/A 0.50 1.125 1/4 X 1/8 0.53

7.25 8.50 9.00 N/A 0.50 1.375 5/16 X 5/32 0.53

LQ1

RQ

Size D63D D71D D80D D90D D100LD/

D63D D71D D80D D90D D100LD/

D112MD

D112MD

NH813

2.62 2.65 2.89 N/A N/A 2.45 2.47 2.71 N/A N/A

NH815

2.62 2.65 2.89 N/A N/A 2.45 2.47 2.71 N/A N/A

NH818

2.62 2.65 2.89 N/A N/A 2.45 2.47 2.71 N/A N/A

NH821

2.62 2.65 2.89 N/A N/A 2.45 2.47 2.71 N/A N/A

NH824

2.62 2.65 2.89 N/A N/A 2.45 2.47 2.71 N/A N/A

NH826

2.62 2.65 2.89 N/A N/A 2.45 2.47 2.71 N/A N/A

NH830

3.25 3.28 3.52 N/A N/A 2.95 2.97 3.21 N/A N/A

NH832

3.25 3.28 3.52 N/A N/A 2.95 2.97 3.21 N/A N/A

NH842

3.62 3.65 3.89 N/A N/A 3.43 3.44 3.68 N/A N/A

NH852

N/A 4.28 4.90 4.90 5.30

N/A 4.09 4.72 4.72 5.07

Frame

AJ AK BD BE Bore Keyway

u

BF TAP OD

Dia.

115 95 117 10 11 4 X 2 M8 X 1.25 131

130 110 132 11 14 5 X 2.5 M8 X 1.25 146

165 130 165 15 19 6 X 3 M10 X 1.50 184

165 130 165 15 24 8 X 3.5 M10 X 1.50 184

215 180 216 18 28 8 X 3.5 M12 X 1.75 237

NEMA DIMENSIONS (Inches)

IEC B5 & B3/B5 METRIC DIMENSIONS (MM)

Grove Gear OE Series

Grove Gear IRONMAN

NH Series

D

JF

DJMQ

DJFC

DJM

DJ

DJ

GROVE GEAR OE SERIES INTERCHANGE GUIDE

Refer to page 113 for complete interchange guide for original Grove Gear OE Series.