• 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

AB	4.32
H	0.53 in
V	1.94 in
U	0.75 in
AF	0.19
P	1.88 in
L	6.07 in
AE2	0.56
AE1	0.595
AG	4.65
G	1.94
I	4.34 in
D	2.94
B	5.75
M	2.38
LL	2.12 in
Center Distance (in)	2.63 in
AD	4.150
T	1.125
AA	9.38

Technical Specifications

Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Reducer	Worm - Right Angle
Gear Type	Worm
Input Style	Solid Shaft
Input RPM	1,750
Output Shaft Assembly Code	H1
Product Type	Right Angle
Output Shaft Orientation	H1
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Shaft Seal Material	Viton
Output RPM	175
Reducer Style	Worm - Right Angle
Output Diameter (in)	1.125 in
Input Keyway	3/16 X 1.63 in
Output Style	H1
Ratio Range	10:1
Input Diameter (in)	0.75 in
Thrust Rating - output shaft	1762
Assembly	H-H1
Series Style	NH-H-H1
Service Factor	1
Output Key	1/4 X 3.00
Bore Code	18
Output HP	4.097
Mounting Style	Shaft Mount
Ratio	10:1
No. of Gear Reductions	Single
Model Code	H826
Series Code	NH
Input HP	4.492
Center Distance (in)	2.63
Input HP @ 1750 RPM	4.492
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Output Torque Rating (in-lb)	1475 in/lbs
Output Shaft	Hollow Bore
Overhung Load Rating (Output Shaft(lb))	1,750 lb

General Specifications

UPC	690310070093
Weight	43.00 LB