• Aluminum housing provides superior resistances to corrosion, even in harsh environments.
• Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant – USDA Class H1 approved.
• Large oil capacity provides positive splash lubrication and superior cooling capability.
• Viton® double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals.
• Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles.
• Tapered roller bearings on output shaft for high overhung and thrust load capacities.
• The unique quill seal guard protects the input seal from damage during motor installation.
• All units are 100% run and leak tested at the factory to insure that you receive the highest quality product.
• Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles.
• Mounting dimensions are interchangeable with most industry standard reducers.

Dimensions

I	3.03 in
AJ	5.88
O*	1.85 in
AK	4.5
T	0.75
G	1.47
L1	3.64 in
F	2.94
D	2.31
TAP Depth	0.63 in
Center Distance (in)	1.75 in
K	1.84 in
BF	0.41
O	2.05 in
U	0.625 in
H-Tap size	5/16-18 in
BE	0.38 in
LM	5.89
N	4.39
BD	6.5
C	5.86 in
B	4.83
J	3.69 in
A	3.5

Technical Specifications

Output RPM	87
Assembly	BM-L
Output Key	3/16 x 1.38
Reducer	Worm - Right Angle
Output HP	0.875
Input HP	1.046
Ratio	20:1
Series	EL Series - Aluminum Worm Gear Reducers
Keyway	3/16 X 3/32
Reducer Style	Worm - Right Angle
Frame Size	140TC
Overhung Load	920
Output Shaft Orientation	L
Input RPM	1,750
Input Style	Flexible Coupling Input
Shaft Seal Material	Viton
Center Distance (in)	1.75
Product Type	Right Angle
Series Style	EL-BM-L
Input Keyway	3/16 X 0.500 in
Model Code	BM818
Mounting Style	Base
Series Code	EL
Product Line	EL Series - Aluminum Worm Gear Reducers
Input HP @ 1750 RPM	1.046
No. of Gear Reductions	Single
Input Keyway (C Face)	3/16 x 3/32
Gear Type	Worm
Output Shaft Assembly Code	L
Motor Frame Size	140
Input Bore (C Face)	0.875
Output Style	L
Output Diameter (in)	0.750 in
Ratio Range	20:1
Thrust Rating - output shaft	1144
Input Diameter (in)	0.625 in
Service Factor	1
Reduction	Single
Output Shaft Direction	Left
Overhung Load Rating (Output Shaft(lb))	920 lb
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	630 in/lbs
Housing Material	Aluminum

General Specifications

UPC	662959002339
Weight	17.00 LB
Packaged Length	10.69 IN
Packaged Width	9.06 IN
Packaged Height	10.50 IN