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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
www.grovegear.com
233
NH Series
Dimensions
Styles: DXTMQ, DXTM, DXT
STYLE DXTMQ, DXTM, DXT DIMENSIONS (Inches)
* Applies to double output shaft
X
Keyway width by depth
Q
48CZ not available
L
Style DXT and DXTM 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
B
C
CD
CA
CE
D
D1
E
F
G
H
I
J
K
L
M
N
O
O*
V
WP
X
+0.000
+0.000
Key
L
Key
-0.0015
-0.0015
NH813
4.00 5.01 4.97 1.33 1.50 1.91 1.72 2.81 2.47 3.25 1.63 0.28 2.61 4.25 2.13 N/A N/A 4.00 2.16 1.94 0.31 5.00 6.47 0.750 N/A
N/A
3/16 X 1.50
NH815
5.25 5.19 5.31 1.54 1.50 1.91 1.88 2.81 2.47 4.50 2.25 0.34 3.14 4.19 2.09 N/A N/A 4.25 2.56 2.35 0.31 5.00 6.84 0.750 N/A
N/A
3/16 X 1.50
NH818
4.62 5.89 5.82 1.75 1.88 1.91 2.06 2.81 2.47 3.50 1.75 0.41 3.24 4.63 2.31 N/A N/A 4.75 2.94 2.73 0.38 5.00 7.30 1.000 N/A
N/A
1/4 X 1.75
NH821
5.25 5.19 6.31 2.06 1.50 1.91 2.31 2.81 2.47 4.50 2.25 0.34 3.61 4.19 2.09 N/A N/A 4.34 2.66 2.45 0.31 5.00 7.79 0.875 N/A
N/A
3/16 X 1.50
NH824
5.25 5.75 7.19 2.38 1.50 2.36 2.69 3.25 2.82 4.50 2.25 0.41 3.77 3.75 1.88 5.51 2.38 4.88 2.91 2.69 0.31 6.50 8.95 1.000 0.625 3/16 X 1.63 1/4 X 1.75
NH826
6.13 6.51 7.69 2.63 2.00 2.36 2.94 3.25 2.82 4.13 2.06 0.41 4.34 4.75 2.38 6.07 2.38 5.25 3.28 3.07 0.31 6.50 9.44 1.125 0.625 3/16 X 1.63 1/4 X 1.75
NH830
6.13 7.74 8.56 3.00 2.25 2.36 3.38 3.25 2.82 4.13 2.06 0.41 4.84 6.00 3.00 6.57 2.38 5.77 3.56 3.31 0.31 6.50 10.26 1.250 0.625 3/16 X 1.63 1/4 X 1.75
NH832
7.50 9.25 10.44 3.25 2.50 2.36 4.19 3.25 2.82 6.50 3.25 0.41 5.02 7.75 3.88 6.76 2.38 7.03 4.24 3.99 0.38 6.50 11.39 1.500 0.625 3/16 X 1.63 3/8 X 2.25
NH842
6.75 10.99 12.00 4.25 2.50 2.87 4.50 4.25 4.03 5.75 2.88 0.56 6.10 9.75 4.88 9.57 3.47 7.50 3.88 3.59 0.50 8.50 13.87 1.750 1.250 1/4 X 2.50 3/8 X 2.25
NH852
8.25 13.24 13.82 5.25 3.00 2.87 4.88 4.25 4.03 7.00 3.50 0.69 7.50 12.00 6.00 10.88 3.38 9.00 4.72 4.47 1.13 8.50 15.88 2.000 1.250 1/4 X 3.00 1/2 X 2.50
Motor Mounting Dimensions
NEMA DIMENSIONS (Inches)
LM
L1
LQ
LQ1
RQ
Size
56C/
180TC/ 250TC
48CZ/
180TC
210TC 250TC
48CZ/
180TC 210TC
250TC
140TC
210TC
56C/140TC
56C/140TC
NH813
N/A
N/A N/A
8.29
N/A
N/A
N/A
7.79
N/A
N/A
N/A
NH815
N/A
N/A N/A
8.82
N/A
N/A
N/A
8.32
N/A
N/A
N/A
NH818
N/A
N/A N/A
8.92
N/A
N/A
N/A
8.42
N/A
N/A
N/A
NH821
N/A
N/A N/A
9.29
N/A
N/A
N/A
8.79
N/A
N/A
N/A
NH824
12.49
N/A N/A
9.88
Q
N/A
N/A
N/A
9.38
Q
N/A
N/A
N/A
NH826
13.05
N/A N/A
10.44
Q
N/A
N/A
N/A
9.94
Q
N/A
N/A
N/A
NH830
13.55
N/A N/A
10.94
Q
N/A
N/A
N/A
10.44
Q
N/A
N/A
N/A
NH832
13.74
N/A N/A
11.13
Q
N/A
N/A
N/A
10.63
Q
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
Frame
AJ
AK
BD
BE
BE1 Bore Keyway
X
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
HWZ
F
DXTMQ
HWZFC
DXTM
HWZ
DXT
GROVE GEAR OE SERIES INTERCHANGE GUIDE
Refer to page 123 for complete interchange guide for original Grove Gear OE Series products.