Grove Gear EL Series Catalog Page
ELECTRA-GEAR
EL Series
Dimensions
Styles: BMQ, BM, B
Style BMQ
Single Reduction
Worm Gear Reducers
I
B1
CD
C
Double Reduction
Worm - Worm Gear Reducers
D
Style BM
B1
K
J
B
LQ1
RQ
LQ
BE1
BE
T DIA.
SQ.
OUTPUT
KEY
BORE
AK
DIA.
DIA.
O
ASSEMBLIES
N
N
G
F
A
H(8)TAPPED HOLES
(4)TOP & (4)BOTTOM
O*
BF, (4)
HOLES
AJ
BD
(2) HOLES
3/8 16 UNC
T DIA.
L
R
D
ASSEMBLIES
Double Reduction
Helical - Worm Gear Reducers
Reducers
®
WASHGUARD
C
and GEAR+MOTOR™Ratio Multipliers
Style B
C
CD
D
CD
LM
LM1
I
D
L1
B1
B1
K
J
B
INPUT
KEY
U DIA.
BE1
BE
SQ.
T DIA.
SQ.
OUTPUT
KEY
AK
DIA.
N
O
N
G
F
A
H(8)TAPPED HOLES
(4)TOP & (4)BOTTOM
O*
BF, (4)
HOLES
AJ
BD
T DIA.
L
R
D
ASSEMBLIES
N
I
L
B1
B1
K
J
B
M
U DIA.
SQ.
INPUT
KEY
T DIA.
SQ.
OUTPUT
KEY
O
N
O*
L
T DIA.
G
F
A
H(8)TAPPED HOLES
(4)TOP & (4)BOTTOM
R
Accessories and
Additional Capabilities
94
MODELS 852 AND 860 ONLY
DX
SIDE VIEW
MODELS 852 AND 860 ONL
DX
END VIEW
D
REVERSE ALL ARROWS
FOR OPPOSITE INPUT SHAFT
ROTATION. CONTACT FACTORY
FOR OTHER MOUNTINGS OR
ASSEMBLY POSITIONS.
ELECTRA-GEAR
EL Series
Dim
Styles: BMQ, BM, B
STYLE BMQ, BM, B DIMENSIONS (Inches)
T
Size A B B1 C CD D
EL813
2.82 3.80 -- 4.66 1.33 1.72 -- 2.00 1.00 5/16-18 0.50 2.40 3.25 1.63 3.82 1.87 4.00 2.16 1.96 0.625 0.500 1/8 x 1.00 1/8 x 1.00 3/16 x 1.38
EL818
3.50 4.83 2.48 5.86 1.75 2.31 -- 2.94 1.47 5/16-18 0.63 3.03 3.69 1.84 4.45 1.78 4.39 2.05 1.85 0.750 0.625 3/16 x1.38 3/16 x .500 3/16 x 1.38
EL821
3.91 5.75 2.76 6.88 2.06 2.63 -- 3.25 1.63 3/8-16 0.87 3.40 4.13 2.06 4.82 1.76 4.68 2.29 2.09 1.000 0.625 3/16 x1.38 3/16 x .500 1/4 x 1.44
EL824
4.06 5.86 -- 6.94 2.38 2.50 -- 2.88 1.44 3/8-16 0.69 3.61 5.00 2.50 5.51 2.45 5.14 2.66 2.46 1.125 0.750 3/16 x1.63 3/16 x .500 1/4 x 1.62
EL826
4.84 7.17 4.21 8.00 2.63 3.25 -- 3.38 1.69 3/8-16 0.69 4.17 5.00 2.50 6.07 2.45 5.63 2.73 2.53 1.250
EL830
5.25 8.11 4.50 8.94 3.00 3.50 -- 4.13 2.06 1/2-13 1.00 4.81 5.75 2.88 6.56 2.31 6.62 3.60 3.37 1.500 0.875 3/16 x1.63 3/16 x .500 3/8 x 2.25
EL832
5.25 8.11 4.53 10.50 3.25 4.00 -- 4.13 2.06 1/2-13 1.00 5.00 6.63 3.31 6.75 2.31 6.62 3.60 3.37 1.625
EL842
6.13 9.63 5.71 11.69 4.25 4.50 -- 3.75 1.88 5/8-11 1.19 6.15 7.00 3.50 9.57 3.47 8.12 4.50 4.22 1.750 1.250 1/4 x 2.50 1/4 x 2.50 3/8 x 3.00
EL852
7.19 11.50 7.82 12.25 5.25 4.25 0.75 5.25 2.63 3/4-10 1.44 7.55 9.62 4.81 10.88 3.38 9.06 4.78 4.50 2.000 1.250 1/4 x 3.00 1/4 x 3.00 1/2 x 2.50
EL860
7.00 13.50 -- 14.25 6.00 5.00 1.63 5.38 2.69 7/8-9 1.63 7.88 11.00 5.50 10.99 3.00 10.75 5.25 5.25 2.250 1.500 3/8 x 3.00 3/8 x 2.75 1/2 x 4.00
DX
FG
H
Tap Size Depth
IJKLMNOO*
Motor Mounting Dimensions
+0.000
-0.0015
U
Input Key
+0.000
(Style B Only)
-0.0015
0.750
3/16 x1.63 3/16 x .500 1/4 x 1.62
0.875
3/16 x1.63 3/16 x .500 3/8 x 2.25
(Style BM only)
ens
Input Key
ion
Output Key
Worm Gear Reducers
Single Reduction
s
Worm - Worm Gear Reducers
Double Reduction
Helical - Worm Gear Reducers
Double Reduction
NEMA DIMENSIONS (Inches)
LM LM1 L1 LQ LQ1 RQ
Size 56C/140TC 180TC / 210TC 56C/140TC 180TC / 210TC 56C/140TC 180TC / 210TC 56C/140TC 180TC / 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 7.30 4.29 4.29 4.77 4.77 4.09 4.09
EL826 7.04 7.86 4.88 4.88 5.33 5.33 4.82 4.82
EL830 7.67 8.31 5.38 5.38 5.97 5.97 5.32 5.32
EL832 7.86 8.50 5.56 5.56 6.16 6.16 5.51 5.51
EL842 11.25 12.53 9.57 9.57 6.45 6.45 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 -- -- -- --
* Applies to double output shaft
u
Keyway width by depth
i
Solid input shaft and C-faced coupling input reducers have different input shaft length and key.
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.
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 52 for GR Series dimensions.
NEMA DIMENSIONS (Inches)
Frame AJ AK BD BE BE1
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 0.53
210TC 7.25 8.50 9.00 N/A 0.50 1.375 5/16 X 5/32 0.53
Bore
Dia.
KeywayuBF
WASHGUARD
and GEAR+MOTOR™ Ratio Multipliers
®
Reducers
ELECTRA-GEAR INTERCHANGE GUIDE
Original Style New Style
MSC or MLSC BMQ
MC or MLC BM
MorML B
M + “KV” Kit B + “KV” Kit
Convert Style B to motorized coupling input using kits shown on page 278.
Additional Capabilities
Accessories and
95
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