• 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	2.38 in
G	2.32
AB	4.76
AF	0.25
H	0.53 in
Center Distance (in)	3 in
BF	0.41
AA	10.25
AE1	0.46
AK	4.5
I	4.84 in
LL	2.38 in
AJ	5.88
BE	0.38 in
AE2	0.56
AG	5.16
D	3.38
BD	6.5
T	1.938
V	2.51 in
U	0.875 in
B	6.62
L	6.57 in
LM	8.82

Technical Specifications

Output RPM	87
Output Shaft Assembly Code	H1
Gear Type	Worm
Center Distance (in)	3
No. of Gear Reductions	Single
Motor Frame Size	140TC
Assembly	HM-H1
Frame Size	140TC
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Diameter (in)	1.938 in
Input Style	Flexible Coupling Input
Bore Code	31
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input HP @ 1750 RPM	3.233
Service Factor	1
Input Keyway (C Face)	3/16 x 3/32
Output Key	1/2 X 3.38
Model Code	HM830
Input Diameter (in)	0.875 in
Ratio Range	20:1
Product Type	Right Angle
Ratio	20:1
Input RPM	1,750
Output Shaft Orientation	H1
Input Bore (C Face)	0.875
Series Code	NH
Reducer	Worm - Right Angle
Output Style	H1
Mounting Style	Shaft Mount
Output HP	3.407
Thrust Rating - output shaft	2574
Input Keyway	3/16 X 1.63 in
Input HP	3.947
Series Style	NH-HM-H1
Shaft Seal Material	Viton
Reducer Style	Worm - Right Angle
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,950 lb
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	2015 in/lbs

General Specifications

UPC	690310073858
Weight	60.00 LB