• Rugged cast iron housings, covers, and flanges provide superior strength and rigidity.
• 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.
• O-rings on all bearing covers, eliminating gaskets, sealants and leaks.
• 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.
• Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life.
• 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.

Dimensions

AK	4.5
TAP Depth	0.63 in
B	4.5
F	1.88
BD	6.5
LM	6.7
H-Tap size	5/16 - 18 UNC in
N	4.75
C	5.44 in
G	0.94
AJ	5.88
BE	0.38 in
T	1
A	2.56
O	2.94 in
K	1.88 in
Center Distance (in)	1.75 in
D	2.06
U	0.625 in
I	3.24 in
L	4.45 in
J	3.75 in
BF	0.41

Technical Specifications

Model Code	BM818
Output Shaft Assembly Code	L
Frame Size	140TC
Shaft Seal Material	Viton
Output RPM	175
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Center Distance (in)	1.75
Overhung Load	1,200
Output HP	1.466
Ratio	10:1
Input Keyway (C Face)	3/16 x 3/32
Series Style	NH-BM-L
Input Style	Flexible Coupling Input
Mounting Style	Base
Gear Type	Worm
Service Factor	1
Input Bore (C Face)	0.875
Input RPM	1,750
Output Style	L
Output Key	1/4 x 1.75
Output Diameter (in)	1.000 in
Thrust Rating - output shaft	976
Series Code	NH
Input HP @ 1750 RPM	1.625
Motor Frame Size	140
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Reducer Style	Worm - Right Angle
Assembly	BM-L
Ratio Range	10:1
Product Type	Right Angle
Input Keyway	3/16 X 1.38 in
Output Shaft Orientation	L
No. of Gear Reductions	Single
Input HP	1.625
Reducer	Worm - Right Angle
Input Diameter (in)	0.625 in
Reduction	Single
Output Shaft Direction	Left
Output Shaft	Solid Shaft
Overhung Load Rating (Output Shaft(lb))	1,250 lb
Housing Material	Cast Iron
Output Torque Rating (in-lb)	528 in/lbs

General Specifications

UPC	690310059272
Weight	22.00 LB