• 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

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

Technical Specifications

Input HP	0.741
Mounting Style	Base
Input Style	Flexible Coupling Input
Output RPM	58
Input Diameter (in)	0.625 in
Series Code	NH
Gear Type	Worm
Shaft Seal Material	Viton
Thrust Rating - output shaft	1144
Input Keyway (C Face)	3/16 x 3/32
Output Style	R
Input HP @ 1750 RPM	0.741
Output Diameter (in)	1.000 in
Motor Frame Size	56
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Model Code	BM818
Assembly	BM-R
Ratio	30:1
Service Factor	1
Output Key	1/4 x 1.75
Output HP	0.569
Output Shaft Assembly Code	R
Product Type	Right Angle
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Shaft Orientation	R
No. of Gear Reductions	Single
Ratio Range	30:1
Reducer	Worm - Right Angle
Input Bore (C Face)	0.625
Reducer Style	Worm - Right Angle
Input RPM	1,750
Frame Size	56C
Series Style	NH-BM-R
Overhung Load	1,200
Input Keyway	3/16 X 1.38 in
Center Distance (in)	1.75
Reduction	Single
Output Shaft Direction	Right
Output Torque Rating (in-lb)	614 in/lbs
Output Shaft	Solid Shaft
Overhung Load Rating (Output Shaft(lb))	1,250 lb
Housing Material	Cast Iron

General Specifications

UPC	690310059098
Weight	22.00 LB