• 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

AD	3.83
V	1.44 in
AB	3.44
AE2	0.56
U	0.625 in
B	4.5
AF	0.19
H	0.53 in
G	1.82
AG	4.29
I	3.24 in
Center Distance (in)	1.75 in
LL	1.98 in
P	1.38 in
D	2.06
AA	7.44
L	4.45 in
T	1
AE1	0.551
M	1.76

Technical Specifications

Thrust Rating - output shaft	1144
Output HP	0.077
Input Keyway	3/16 X 1.38 in
Output RPM	17
Gear Type	Worm
Input HP	0.141
Ratio Range	100:1 to 250:1
Input RPM	1,750
Service Factor	1
Reducer	Worm - Right Angle
Mounting Style	Shaft Mount
Center Distance (in)	1.75
Input Diameter (in)	0.625 in
Bore Code	16
Model Code	H818
Series Style	NH-H-H1
Reducer Style	Worm - Right Angle
Assembly	H-H1
Product Type	Right Angle
Output Shaft Orientation	H1
Shaft Seal Material	Viton
Output Key	1/4 X 3.00
Output Shaft Assembly Code	H1
Ratio	100:1
No. of Gear Reductions	Single
Output Style	H1
Input HP @ 1750 RPM	0.141
Input Style	Solid Shaft
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Series Code	NH
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Diameter (in)	1 in
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,250 lb
Output Torque Rating (in-lb)	277 in/lbs
Output Shaft	Hollow Bore

General Specifications

UPC	690310060346
Weight	18.00 LB