• 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

TAP Depth	0.69 in
J	4 in
U	0.75 in
T	1.125
O	3.28 in
I	4.34 in
G	1.06
D	2.94
A	2.88
BF	0.41
H-Tap size	3/8 - 16 UNC in
AJ	5.88
BD	6.5
AK	4.5
C	7.38 in
B	5.75
BE	0.38 in
K	2 in
O*	3.07 in
LM	8.32
L	6.07 in
Center Distance (in)	2.63 in
F	2.13
N	5.25

Technical Specifications

Input Diameter (in)	0.75 in
Thrust Rating - output shaft	2091
Ratio	40:1
Motor Frame Size	56
Input HP @ 1750 RPM	1.695
Output HP	1.287
Overhung Load	1,625
Output RPM	43
Reducer Style	Worm - Right Angle
Gear Type	Worm
Product Type	Right Angle
Center Distance (in)	2.63
Output Shaft Orientation	LR
Output Diameter (in)	1.125 in
Input Keyway (C Face)	3/16 x 3/32
Mounting Style	Base
Service Factor	1
Series Style	NH-BM-D
Output Key	1/4 x 1.75
Output Style	D
Assembly	BM-D
Ratio Range	40:1
Frame Size	56C
No. of Gear Reductions	Single
Input Keyway	3/16 X 1.63 in
Model Code	BM826
Output Shaft Assembly Code	D
Input Bore (C Face)	0.625
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Series Code	NH
Shaft Seal Material	Viton
Input Style	Flexible Coupling Input
Input HP	1.695
Input RPM	1,750
Reducer	Worm - Right Angle
Reduction	Single
Output Shaft Direction	Double
Housing Material	Cast Iron
Output Torque Rating (in-lb)	1854 in/lbs
Output Shaft	Solid Shaft
Overhung Load Rating (Output Shaft(lb))	1,750 lb

General Specifications

UPC	690310068632
Weight	48.00 LB