EL Series
Dimensions
Styles: HMQ, HM, H
Style HMQ
Double Reduction
Helical - Worm Gear Reducers
R1
H1 DIA.
BD
BORE
DIA.
AA
T MAX
BORE
CD
D
BE1
BE
AB
D
3 SETSCREWS
EACH END
120° APART
B
AC
G
F
AD
AG
AE2
Style HM
LM
LM1
L
OPTIONAL TORQUE ARM BRACKET
(TORQUE ARM BRACKET IS NOT
SUPPLIED WITH REDUCER AS STANDARD):
ALL POSSIBLE MOUNTING POSITIONS
SHOWN SEE PAGE 294 FOR KITS.
BD
BORE
DIA.
SQ.
INPUT
KEY
H(8) TAPPED HOLES
(4)TOP & (4) BOTTOM
AC
AE1
AF
R1
H1 DIA.
WASHGUARD® Reducers
and GEAR+MOTOR™
H1
W DIA.
H2
H1 SUPPLIED AS STANDARD
UNLESS SPECIFIED. ACCESSORY
KITS CAN MOUNT TO EITHER
OUTPUT SIDE OF REDUCER.
ASSEMBLIES
BF,(4)
HOLES
AJ
AK
DIA
H1
U DIA.
CD
CD
W DIA.
T MAX
BORE
AB
D
D
BE1
BE
3 SETSCREWS
EACH END
120° APART
AC
AE2
Style H
Ratio Multipliers
(2) HOLES
3/8-16 UNC
CD
B
R1
H1 DIA.
L
M
AA
G
F
AD
AG
AC
H(8) TAPPED HOLES
(4)TOP & (4) BOTTOM
AE1
H2
H1 SUPPLIED AS STANDARD
UNLESS SPECIFIED. ACCESSORY
KITS CAN MOUNT TO EITHER
OUTPUT SIDE OF REDUCER.
ASSEMBLIES
AF
OPTIONAL TORQUE ARM BRACKET
(TORQUE ARM BRACKET IS NOT
SUPPLIED WITH REDUCER AS STANDARD):
ALL POSSIBLE MOUNTING POSITIONS
SHOWN SEE PAGE 294 FOR KITS.
SQ.
INPUT
KEY
H1
U DIA.
C CD
Accessories and
Additional Capabilities
ASSEMBLIES
BF,(4)
HOLES
AJ
AK
DIA
AA
116
OPTIONAL TORQUE ARM BRACKET
(TORQUE ARM BRACKET IS NOT
SUPPLIED WITH REDUCER AS STANDARD):
ALL POSSIBLE MOUNTING POSITIONS
SHOWN SEE PAGE 294 FOR KITS.
AF
LQ
LQ1
RQ
Double Reduction
Worm - Worm Gear Reducers
Single Reduction
Worm Gear Reducers
ELECTRA-GEAR
W DIA.
T MAX
D BORE
AB
3 SETSCREWS
EACH END
120° APART
AC
AC
G
B
AE2
F
AD
AG
www.grovegear.com
H2
REVERSE ALL ARROWS
FOR OPPOSITE INPUT SHAFT
ROTATION. CONTACT FACTORY
FOR OTHER MOUNTINGS OR
ASSEMBLY POSITIONS.
AE1
H1 SUPPLIED AS STANDARD
UNLESS SPECIFIED. ACCESSORY
KITS CAN MOUNT TO EITHER
OUTPUT SIDE OF REDUCER.
EL Series
Dimensions
Styles: HMQ, HM, H
Single Reduction
Worm Gear Reducers
ELECTRA-GEAR
STYLE HMQ, HM, H DIMENSIONS (Inches)
EL813 --
-- 0.413.890.580.26 -- 4.75 3.80 4.66 1.33 1.722.001.00 -- 2.40 3.821.87 - 1.00 0.6250.5001/8 x 1.00
--
Output
Key
3/16 x 1.50
EL8186.255.000.284.720.490.290.695.50 4.835.861.752.312.951.480.533.034.351.780.661.441.0000.6253/16 x 1.38
3/16 x .5001/4 x 3.00
EL8217.636.000.334.980.600.420.696.00 5.756.882.062.633.251.630.533.404.711.760.751.941.500*0.6253/16 X 1.38
3/16 x .5003/8 x 3.00
EL8247.815.870.595.171.020.810.696.00 5.866.942.382.502.881.440.533.615.512.450.751.941.500*0.7503/16 X 1.63
3/16 x .5003/8 x 3.00
EL8268.507.000.736.000.600.400.697.00 7.178.002.633.253.371.690.534.176.072.450.751.941.500*0.7503/16 x 1.63
3/16 x .5003/8 x 3.00
EL8309.948.000.566.520.600.380.697.50 8.118.943.003.504.132.070.534.816.562.310.812.752.1880.8753/16 x 1.63
3/16 x .5001/2 x 3.00
EL83212.5010.000.566.520.600.380.697.50 8.1110.503.25 4.004.132.07 0.53 5.00 6.752.310.88 2.75 2.1880.8753/16 x 1.633/16 x .5001/2 x 3.00
EL84214.6912.001.197.520.630.350.698.50 9.6311.694.25 4.503.751.88 0.53 6.15 9.573.470.88 2.75 2.1881.2501/4 x 2.501/4 x 2.50 3/8 x 3.00
EL852 17.75 14.00 0.97 8.84 0.97 0.69 0.81 10.50 11.50 12.25 5.25 4.25 5.25 2.63 0.66 7.55 10.88 3.38 1.13 4.26 3.438 1.250 1/4 X 3.00 1/4 x 3.00 7/8 x 4.00
Motor Mounting Dimensions
NEMA DIMENSIONS (Inches)
NEMA DIMENSIONS (Inches)
Frame AJ AKBD BEBE1 Bore KeywayuBF
Dia.
56C
5.88 4.50 6.50 0.38 N/A .625 3/16 X 3/32 0.41
140TC 5.88 4.50 6.50 0.38 N/A .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
• Max bore dimensions shown. For additional bores available, refer to page 30.
u Keyway width by depth
i Solid input shaft and C-faced coupling input reducers have different input shaft length and key.
N
ote: Torque arm bracket available separately. Refer to page 294 for kits. If a special bracket is required,
refer to Style BMQ dimensions for mounting pad dimensions on top/bottom of reducer.
0.53
210TC 7.25 8.50 9.00 N/A 0.50 1.375 5/16 X 5/32 0.53
WASHGUARD® Reducers
and GEAR+MOTOR™
LM
LM1 L1
LQ
LQ1
RQ
Size 56C/140TC 180TC / 210TC 56C/140TC180TC / 210TC 56C/140TC 180TC / 210TC 56C/140TC180TC / 210TC
EL813
6.07
--3.82
--3.79-- 3.09
-EL818
5.89
--3.64
--4.42-- 3.59
-EL821
6.26
--4.00
--4.79-- 4.06
-EL824
6.48
7.304.29
4.294.774.77 4.09
4.09
EL826
7.04
7.864.88
4.885.335.33 4.82
4.82
EL830
7.67
8.315.38
5.385.975.97 5.32
5.32
EL832
7.86
8.505.56
5.566.166.16 5.51
5.51
EL842
11.25
12.539.57
9.576.456.45 6.04
6.04
EL852 12.65
13.93
10.88 10.88
7.85
7.85
7.35 7.35
EL860
--
11.94
10.99 10.99
--
--
-- --
Double Reduction
Helical - Worm Gear Reducers
EL860 20.25 16.00 0.81 11.00 0.81 0.81 0.81 10.38 13.50 14.25 6.00 5.00 5.38 2.69 0.66 7.88 10.99 3.00 1.13 3.74 3.438 1.500 3/8 x 3.00 3/8 x 2.75 7/8 x 4.00
Double Reduction
Worm - Worm Gear Reducers
T MAX• U
SizeAAABACAD
AE1
AE2AFAG B C CD D F G H1 I L MR1 V +0.000+0.000 Input Key Input Key (Style H only)i (Style HM only)i
-0.0025-0.0015
WARNING For safety, purchaser or user should provide protective guards over shaft extensions
and any couplings, sheaves and belts, sprockets and chains, etc., mounted thereon.
Ratio Multipliers
INTEGRAL GEARMOTOR INPUTS AVAILABLE
— Contact Factory for price and availability.
EL SERIES MOUNTING DIMENSIONS
— EL Series mounting dimensions are the same as the original ELECTRA-GEAR
product with an option to match the industry standard dimensions of GR Series.
— See page 62 for GR Series dimensions.
ELECTRA-GEAR INTERCHANGE GUIDE
New Style
MHSC
HMQ
MHC
HM
MH
MH + “KV” Kit
H
H + “KV” Kit
Convert Style H to motorized coupling input using kits shown on page 294.
www.grovegear.com
Accessories and
Additional Capabilities
Original Style
117