• One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
• Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant.
• 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.
• The unique quill seal guard protects the input seal from damage during motor installation.
• Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life.
• 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.
• 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

O*	1.84 in
O	2.05 in
BF	0.41
H-Tap size	5/16-18 UNC in
BE	0.38 in
I	3.24 in
J	4.19 in
K	2.09 in
B	5.06
U	0.625 in
T	0.875
Center Distance (in)	1.75 in
AJ	5.88
G	1.38
D	2.06
TAP Depth	0.63 in
F	2.75
BD	6.5
C	5.75 in
A	3.56
AK	4.5
L	4.45 in
LM	6.7
N	4.31

Technical Specifications

Input Diameter (in)	0.625 in
Input Keyway (C Face)	3/16 x 3/32
Reducer	Worm - Right Angle
Assembly	BM-D
Series	GR Series - Ironman Worm Gear Reducers
Ratio	40:1
Output HP	0.44
No. of Gear Reductions	Single
Output Shaft Orientation	LR
Input HP @ 1750 RPM	0.609
Series Style	GR-BM-D
Output Diameter (in)	0.875 in
Product Line	GR Series - Ironman Worm Gear Reducers
Center Distance (in)	1.75
Output Key	3/16 x 1.38
Input Bore (C Face)	0.875
Model Code	BM818
Ratio Range	40:1
Output Style	D
Overhung Load	1,200
Motor Frame Size	140
Mounting Style	Base
Input HP	0.609
Input RPM	1,750
Series Code	GR
Reducer Style	Worm - Right Angle
Gear Type	Worm
Frame Size	140TC
Input Keyway	3/16 X 1.38 in
Shaft Seal Material	Viton
Service Factor	1
Product Type	Right Angle
Output RPM	43
Output Shaft Assembly Code	D
Input Style	Flexible Coupling Input
Thrust Rating - output shaft	1144
Reduction	Single
Output Shaft Direction	Double
Output Torque Rating (in-lb)	634 in/lbs
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,200 lb
Output Shaft	Solid Shaft

General Specifications

UPC	690310007501
Weight	26.00 LB