• 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

AG	10.5
AE2	0.97
BF	0.53
G	3.63
RQ	8.54 in
AF	0.38
BD	9
B	11
V	4.26 in
LL	5.25 in
T	3.438
AK	8.5
BE1	0.5 in
Center Distance (in)	5.25 in
D	4.88
AJ	7.25
AB	6.76
LQ1	9.17 in
P	4.62 in
I	7.5 in
AA	15.19
H	0.53 in

Technical Specifications

Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Bore Code	55
Center Distance (in)	5.25
Output Shaft Assembly Code	H1
Gear Type	Worm
Ratio	20:1
Shaft Seal Material	Viton
Output HP	12.98
Input Style	C-Face Quill
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Key	7/8 X 4.00
Input HP	15.56
Assembly	HMQ-H1
Mounting Style	Shaft Mount
Ratio Range	20:1
Frame Size	250TC
Input Bore (C Face)	1.625
Product Type	Right Angle
Motor Frame Size	250TC
Input Keyway (C Face)	3/8 x 3/16
Input RPM	1,750
Reducer	Worm - Right Angle
Series Style	NH-HMQ-H1
Input Diameter (in)	1.625 in
Thrust Rating - output shaft	3412
Output RPM	87
No. of Gear Reductions	Single
Output Shaft Orientation	H1
Output Style	H1
Service Factor	1
Model Code	HMQ852
Reducer Style	Worm - Right Angle
Output Diameter (in)	3.438 in
Input HP @ 1750 RPM	14.56
Series Code	NH
Reduction	Single
Output Shaft Direction	H1
Output Shaft	Hollow Bore
Overhung Load Rating (Output Shaft(lb))	3,560 lb
Housing Material	Cast Iron
Output Torque Rating (in-lb)	9351 in/lbs

General Specifications

UPC	690310083833
Weight	210.00 LB