![Show Menu](styles/mobile-menu.png)
![Page Background](./../common/page-substrates/page0227.png)
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
www.grovegear.com227
NH Series
Dimensions
Styles: DXFHMQ, DXFHM, DXFH
STYLE DXFHMQ, DXFHM, DXFH DIMENSIONS (Inches)
• Max bore dimensions shown. For additional bores available, refer to page 130.
u
Keyway width by depth
n
48CZ not available
i
Style DXFH and DXFHM 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
T
U
Input
Output
Size
A AE B BL C CD CE D D1 E
H I
L M N R V W WP X XA Y
-0.000
+0.000
Key
i
Key
+0.0015 -0.0015
NH813
2.82 0.53 3.80 0.38 4.66 1.33 1.91 1.72 2.81 2.47 0.34 2.61 7.75 1.76 2.37 2.52 1.00 5.92 6.50 5.00 6.47 4.50 0.750 0.625 3/16 x 3/32 3/16 x 1.50
NH815
2.57 0.51 4.06 0.38 5.00 1.54 1.91 1.88 2.81 2.47 0.34 3.14 8.28 1.76 2.20 3.50 1.00 6.79 6.50 5.88 6.84 5.12 0.750 0.625 3/16 x 3/32 3/16 x 1.50
NH818
2.56 0.56 4.50 0.38 5.44 1.75 1.91 2.06 2.81 2.47 0.34 3.24 8.38 1.76 2.37 2.74 1.44 6.64 6.50 5.88 7.30 5.00 1.000 0.625 3/16 x 3/32 1/4 x 1.75
NH821
2.50 0.85 4.50 0.38 6.00 2.06 1.91 2.31 2.81 2.47 0.34 3.61 8.75 1.76 2.53 3.50 1.94 7.37 6.50 6.25 7.79 5.56 0.875 0.625 3/16 x 3/32 3/16 x 1.50
NH824
2.94 0.56 5.25 0.44 6.88 2.38 2.36 2.69 3.25 2.82 0.34 3.77 8.92 1.76 2.53 3.53 1.94 8.29 6.50 7.06 8.95 6.24 1.000 0.625 3/16 x 3/32 1/4 x 1.75
NH826
2.88 0.56 5.75 0.50 7.38 2.63 2.36 2.94 3.25 2.82 0.34 4.34 9.48 1.76 2.53 3.62 1.94 8.90 6.50 7.63 9.44 6.68 1.125 0.625 3/16 x 3/32 1/4 x 1.75
NH830
3.12 0.56 6.62 0.55 8.25 3.00 2.36 3.38 3.25 2.82 0.41 4.84 9.98 1.76 2.78 3.75 2.51 9.50 6.50 8.63 10.26 7.34 1.250 0.625 3/16 x 3/32 1/4 x 1.75
NH832
4.44 0.57 8.00 0.56 10.06 3.25 2.36 4.19 3.25 2.82 0.53 5.02 10.17 1.76 3.36 5.06 2.51 11.84 6.50 10.63 11.39 9.00 1.500 0.625 3/16 x 3/32 3/8 x 2.25
NH842
4.75 0.63 9.75 0.62 11.50 4.25 2.87 4.50 4.25 4.03 0.56 6.10 9.57 3.61 4.25 4.56 2.75 12.95 8.50 11.50 13.87 9.66 1.750 1.250 1/4 x 2.50 3/8 x 2.25
NH852
6.19 0.97 11.00 0.75 12.69 5.25 2.87 4.88 4.25 4.03 0.69 7.50 10.88 3.61 5.25 5.62 4.26 15.50 8.50 14.00 15.88 11.76 2.000 1.250 1/4 x 3.00 1/2 x 2.50
Motor Mounting Dimensions
NEMA DIMENSIONS (Inches)
Frame AJ AK BD BE BE1 Bore Keyway
u
BF
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
NEMA DIMENSIONS (Inches)
Grove Gear OE Series
Grove Gear IRONMAN
NH Series
HWM
F
DXFHMQ
HWMFC
DXFHM
HMY
DXFH
GROVE GEAR OE SERIES INTERCHANGE GUIDE
Refer to page 113 for complete interchange guide for original Grove Gear OE Series products.
LM
L1
LQ
LQ1
RQ
Size
56C/
180TC/
250TC 48CZ/
180TC 210TC 250TC 48CZ/
180TC 210TC 250TC
140TC 210TC
56TC/140TC
56C/140TC
NH813
10.00 N/A N/A 8.52
n
N/A N/A N/A 8.13
n
N/A N/A N/A
NH815
10.53 N/A N/A 9.05
n
N/A N/A N/A 8.66
n
N/A N/A N/A
NH818
10.63 N/A N/A 9.15
n
N/A N/A N/A 8.76
n
N/A N/A N/A
NH821
11.00 N/A N/A 9.52
n
N/A N/A N/A 9.13
n
N/A N/A N/A
NH824
11.17 N/A N/A 9.96
n
N/A N/A N/A 9.30
n
N/A N/A N/A
NH826
11.73 N/A N/A 10.25
n
N/A N/A N/A 9.86
n
N/A N/A N/A
NH830
12.23 N/A N/A 10.75
n
N/A N/A N/A 10.36
n
N/A N/A N/A
NH832
12.42 N/A N/A 10.94
n
N/A N/A N/A 10.55
n
N/A N/A N/A
NH842
N/A 20.66 20.66 N/A 14.97 14.97 15.53 N/A 14.46 14.46 14.86
NH852
N/A 22.06 22.06 N/A 16.37 16.37 16.93 N/A 15.86 15.86 16.26