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

Technical Specifications

Output HP	4.097
Output Key	1/4 x 1.75
Product Type	Right Angle
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Series Style	NH-BM-D
Reducer Style	Worm - Right Angle
Service Factor	1
Ratio	10:1
Mounting Style	Base
Gear Type	Worm
Input Style	Flexible Coupling Input
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Shaft Assembly Code	D
Assembly	BM-D
Ratio Range	10:1
Shaft Seal Material	Viton
Input Keyway	3/16 X 1.63 in
Output Style	D
Input Bore (C Face)	0.875
Input HP @ 1750 RPM	4.492
Input Keyway (C Face)	3/16 x 3/32
Output Diameter (in)	1.125 in
Input Diameter (in)	0.75 in
Reducer	Worm - Right Angle
Input HP	4.492
Center Distance (in)	2.63
Input RPM	1,750
Output RPM	175
Model Code	BM826
No. of Gear Reductions	Single
Motor Frame Size	140
Output Shaft Orientation	LR
Overhung Load	1,625
Thrust Rating - output shaft	1762
Series Code	NH
Frame Size	140TC
Reduction	Single
Output Shaft Direction	Double
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	1475 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,750 lb
Housing Material	Cast Iron

General Specifications

UPC	690310068922
Weight	48.00 LB