• 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

C	6 in
AD	3.57
T	1.25
LQ	4.46 in
BE	0.38 in
AE2	0.85
P	1.38 in
D	2.31
I	3.61 in
AF	0.19
AG	4.65
BD	6.5
B	4.5
BF	0.41
RQ	4.06 in
G	1.82
AA	8
H	0.53 in
AB	3.69
LL	2.12 in
V	1.94 in
AJ	5.88
Center Distance (in)	2.06 in
AK	4.5

Technical Specifications

Input RPM	1,750
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output RPM	58
Frame Size	56C
Input HP	1.129
Output Shaft Orientation	H1
Ratio	30:1
Input Style	C-Face Quill
Reducer	Worm - Right Angle
Keyway	3/16 X 3/32
Output HP	0.896
Assembly	HMQ-H1
Reducer Style	Worm - Right Angle
Output Key	1/4 X 2.50
Shaft Seal Material	Viton
Service Factor	1
Output Diameter (in)	1.25 in
Series Style	NH-HMQ-H1
Product Type	Right Angle
Input HP @ 1750 RPM	1.129
Mounting Style	Shaft Mount
Ratio Range	30:1
Series Code	NH
Input Bore (C Face)	0.625
Input Diameter (in)	0.625 in
Center Distance (in)	2.06
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input Quill Diameter (in)	0.625 in
Input Keyway (C Face)	3/16 X 3/32
Gear Type	Worm
Thrust Rating - output shaft	1144
Model Code	HMQ821
Bore Code	20
Motor Frame Size	56
Output Style	H1
Output Shaft Assembly Code	H1
No. of Gear Reductions	Single
Reduction	Single
Output Shaft Direction	H1
Overhung Load Rating (Output Shaft(lb))	775 lb
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	968 in/lbs
Housing Material	Cast Iron

General Specifications

UPC	690310063965
Weight	26.00 LB