• 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

H	0.53 in
L1	12.9 in
T	2.188
G	3.26
BD	9
AE2	0.63
L	9.57 in
P	3.69 in
AG	8.5
BE1	0.5 in
I	6.1 in
B	9.75
D	4.5
AE1	1
AB	6.38
V	2.75 in
BF	0.53
AJ	7.25
LL	4.25 in
AA	14
U	1.25 in
AK	8.5
Center Distance (in)	4.25 in
AF	0.38

Technical Specifications

Input Diameter (in)	1.25 in
Center Distance (in)	4.25
Input Style	Flexible Coupling Input
Input Bore (C Face)	1.375
Output RPM	87
Gear Type	Worm
Output Style	H1
Frame Size	210TC
Input HP	9.462
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Ratio	20:1
Output Diameter (in)	2.188 in
Output HP	8.458
Output Key	1/2 X 3.38
Model Code	HM842
Assembly	HM-H1
Input RPM	1,750
Bore Code	35
Series Code	NH
Thrust Rating - output shaft	2533
Input Keyway (C Face)	5/16 x 5/32
Input Keyway	1/4 X 2.50 in
Reducer Style	Worm - Right Angle
Output Shaft Orientation	H1
Output Shaft Assembly Code	H1
Service Factor	1
No. of Gear Reductions	Single
Shaft Seal Material	Viton
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Reducer	Worm - Right Angle
Mounting Style	Shaft Mount
Ratio Range	20:1
Product Type	Right Angle
Series Style	NH-HM-H1
Motor Frame Size	210TC
Input HP @ 1750 RPM	9.462
Reduction	Single
Output Shaft Direction	H1
Output Torque Rating (in-lb)	6092 in/lbs
Housing Material	Cast Iron
Output Shaft	Hollow Bore
Overhung Load Rating (Output Shaft(lb))	3,320 lb

General Specifications

UPC	690310080863
Weight	133.00 LB