• 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

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

Technical Specifications

Product Type	Right Angle
Output Style	R
No. of Gear Reductions	Single
Thrust Rating - output shaft	2091
Input Diameter (in)	0.75 in
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Reducer	Worm - Right Angle
Overhung Load	1,625
Input HP @ 1750 RPM	0.577
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output RPM	21
Ratio Range	80:1
Reducer Style	Worm - Right Angle
Service Factor	1
Output Diameter (in)	1.125 in
Ratio	80:1
Input Bore (C Face)	0.875
Input Keyway	3/16 X 1.63 in
Output Shaft Assembly Code	R
Series Code	NH
Input RPM	1,750
Assembly	BM-R
Output HP	0.379
Shaft Seal Material	Viton
Gear Type	Worm
Center Distance (in)	2.63
Series Style	NH-BM-R
Output Key	1/4 x 1.75
Motor Frame Size	140
Mounting Style	Base
Input HP	0.577
Output Shaft Orientation	R
Input Keyway (C Face)	3/16 x 3/32
Model Code	BM826
Input Style	Flexible Coupling Input
Frame Size	140TC
Reduction	Single
Output Shaft Direction	Right
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	1092 in/lbs
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,750 lb

General Specifications

UPC	690310068892
Weight	48.00 LB