• 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

P	1.38 in
L	4.82 in
AG	4.65
M	1.76
Center Distance (in)	2.06 in
AE2	0.85
T	1
H	0.53 in
AD	3.57
I	3.61 in
AA	8
AF	0.19
G	1.82
LL	2.12 in
AE1	0.3
AB	3.69
V	1.94 in
B	4.5
D	2.31
U	0.625 in

Technical Specifications

Input RPM	1,750
Input HP	2.464
Input Style	Solid Shaft
Output Key	1/4 X 3.00
Output Diameter (in)	1 in
Shaft Seal Material	Viton
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Shaft Orientation	H1
Bore Code	16
Mounting Style	Shaft Mount
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input HP @ 1750 RPM	2.464
Input Keyway	3/16 X 1.38 in
Series Code	NH
Model Code	H821
Product Type	Right Angle
Reducer Style	Worm - Right Angle
Series Style	NH-H-H1
Gear Type	Worm
Ratio Range	10:1
Input Diameter (in)	0.625 in
Reducer	Worm - Right Angle
Assembly	H-H1
No. of Gear Reductions	Single
Output Style	H1
Output RPM	175
Ratio	10:1
Service Factor	1
Output Shaft Assembly Code	H1
Center Distance (in)	2.06
Thrust Rating - output shaft	898
Output HP	2.235
Reduction	Single
Output Shaft Direction	H1
Overhung Load Rating (Output Shaft(lb))	775 lb
Output Shaft	Hollow Bore
Housing Material	Cast Iron
Output Torque Rating (in-lb)	805 in/lbs

General Specifications

UPC	690310062876
Weight	22.00 LB