• 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

LM	6.26
F	3.25
L1	4 in
D	2.63
J	4.13 in
O	2.29 in
T	1
K	2.06 in
N	4.68
B	5.75
AK	4.5
Center Distance (in)	2.06 in
BE	0.38 in
O*	2.09 in
BD	6.5
TAP Depth	0.87 in
AJ	5.88
I	3.4 in
C	6.88 in
BF	0.41
H-Tap size	3/8-16 in
U	0.625 in
G	1.63
A	3.91

Technical Specifications

Output Shaft Orientation	L
Overhung Load	1,035
Output RPM	233
Reducer Style	Worm - Right Angle
Series	EL Series - Aluminum Worm Gear Reducers
Keyway	3/16 X 3/32
Input HP	2.793
Frame Size	56C
Output Key	1/4 x 1.44
Input Style	Flexible Coupling Input
Input RPM	1,750
Output HP	2.562
Assembly	BM-L
Ratio	7.5:1
Reducer	Worm - Right Angle
Series Code	EL
Input HP @ 1750 RPM	2.793
Input Diameter (in)	0.625 in
Service Factor	1
Series Style	EL-BM-L
Product Line	EL Series - Aluminum Worm Gear Reducers
Shaft Seal Material	Viton
No. of Gear Reductions	Single
Input Keyway (C Face)	3/16 x 3/32
Mounting Style	No Base
Output Style	L
Motor Frame Size	56
Input Keyway	3/16 x 0.500 in
Product Type	Right Angle
Output Diameter (in)	1.000 in
Input Bore (C Face)	0.625
Gear Type	Worm
Ratio Range	7.5:1
Center Distance (in)	2.06
Output Shaft Assembly Code	L
Thrust Rating - output shaft	811
Model Code	BM821
Reduction	Single
Output Shaft Direction	Left
Housing Material	Aluminum
Output Torque Rating (in-lb)	692 in/lbs
Output Shaft	Solid Shaft
Overhung Load Rating (Output Shaft(lb))	1,035 lb

General Specifications

UPC	662959007150
Weight	20.00 LB
Packaged Length	10.69 IN
Packaged Width	9.06 IN
Packaged Height	10.50 IN