• One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
• 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.
• 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.
• 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.
• 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.
• Mounting dimensions are interchangeable with most industry standard reducers.

Dimensions

AB	5.43
C	6.38 in
V	1.94 in
Center Distance (in)	2.06 in
AK	4.5
BE	0.38 in
AG	6
F	3
AE2	0.4
AJ	5.88
R	0.75 in
BD	6.5
H	0.53 in
AA	7.24
AE1	0.61
RQ	4.06 in
AF	0.75
J	4.75 in
AD	4.99
BF	0.41
I	3.61 in
D	2.28
G	1.44
B	5.8
LQ	4.46 in
T	1.125

Technical Specifications

Mounting Style	Shaft Mount
Reducer Style	Worm - Right Angle
Output Key	1/4 X 2.50
Output RPM	70
Output Shaft Orientation	H1
Series Style	GRG-HMQ-H1
Output Shaft Assembly Code	H1
Keyway	3/16 X 3/32
Input HP	1.333
Frame Size	56C
Output Style	H1
Bore Code	18
Output HP	1.094
Series Code	GRG
Series Type	Cast Iron 800 Worm Gear Reducers
Input RPM	1,750
Input Style	C-Face Quill
Model Code	HMQ821
Assembly	HMQ-H1
Product Line	GR Series - Ironman Worm Gear Reducers
Center Distance (in)	2.06
Input Keyway (C Face)	3/16 X 3/32
Motor Frame Size	56
Input HP @ 1750 RPM	1.333
No. of Gear Reductions	Single
Thrust Rating - output shaft	1144
Shaft Seal Material	Viton
Output Diameter (in)	1.125 in
Gear Type	Worm
Input Diameter (in)	0.625 in
Series	GR Series - Ironman Worm Gear Reducers
Input Quill Diameter (in)	0.625 in
Ratio Range	25:1
Ratio	25:1
Input Bore (C Face)	0.625
Reducer	Worm - Right Angle
Product Type	Right Angle
Service Factor	1
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Output Torque Rating (in-lb)	985 in/lbs
Output Shaft	Hollow Bore
Overhung Load Rating (Output Shaft(lb))	1,210 lb

General Specifications

UPC	690310038734
Weight	30.00 LB