• 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

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

Technical Specifications

Output HP	2.422
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Product Type	Right Angle
Frame Size	56C
Gear Type	Worm
Output Shaft Assembly Code	R
Model Code	BM818
Mounting Style	Base
Series Style	NH-BM-R
Center Distance (in)	1.75
Motor Frame Size	56
Ratio	5:1
Thrust Rating - output shaft	793
Input HP	2.6
Reducer Style	Worm - Right Angle
Series Code	NH
Output RPM	350
Input Bore (C Face)	0.625
Output Key	1/4 x 1.75
Service Factor	1
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input Keyway	3/16 X 1.38 in
Input RPM	1,750
Overhung Load	1,200
Reducer	Worm - Right Angle
Shaft Seal Material	Viton
Input Diameter (in)	0.625 in
Input Keyway (C Face)	3/16 x 3/32
Input Style	Flexible Coupling Input
Assembly	BM-R
Input HP @ 1750 RPM	2.6
No. of Gear Reductions	Single
Output Shaft Orientation	R
Ratio Range	5:1
Output Diameter (in)	1.000 in
Output Style	R
Reduction	Single
Output Shaft Direction	Right
Overhung Load Rating (Output Shaft(lb))	1,250 lb
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	436 in/lbs
Housing Material	Cast Iron

General Specifications

UPC	690310059036
Weight	22.00 LB