• 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

V	1.94 in
AB	5.43
AD	4.99
I	3.61 in
G	1.44
RQ	4.06 in
BD	6.5
AE1	0.61
H	0.53 in
AG	6
AF	0.75
Center Distance (in)	2.06 in
B	5.8
AJ	5.88
AK	4.5
AE2	0.4
BE	0.38 in
J	5 in
L	4.82 in
LQ	4.46 in
D	2.28
M	1.76
C	6.38 in
R	0.75 in
F	2.88
AA	7.24
BF	0.41
U	0.625 in
T	1.188

Technical Specifications

Input RPM	1,750
Output Key	1/4 X 2.50
Output HP	3.41
Input Style	C-Face Quill
Output Shaft Assembly Code	H1
Reducer Style	Worm - Right Angle
Keyway	3/16 X 3/32
Series Code	GRL
Frame Size	56C
Bore Code	19
Series Style	GRL-HMQ-H1
Output Shaft Orientation	H1
Output RPM	350
Output Style	H1
Nominal Motor HP Rating to HP @ 1750 RPM	3
Series Type	Cast Iron 800 Worm Gear Reducers
Input HP	3.653
Mounting Style	Shaft Mount
Input Keyway	3/16 X 1.38 in
Center Distance (in)	2.06
Motor HP Rating	3
Product Type	Right Angle
Gear Type	Worm
Model Code	HMQ821
No. of Gear Reductions	Single
Ratio	5:1
Assembly	HMQ-H1
Shaft Seal Material	Viton
Ratio Range	5:1
Input HP @ 1750 RPM	3.653
Input Diameter (in)	0.625 in
Input Keyway (C Face)	3/16 X 3/32
Service Factor	1
Motor Frame Size	56
Output Diameter (in)	1.188 in
Series	GR Series - Ironman Worm Gear Reducers
Thrust Rating - output shaft	735
Input Quill Diameter (in)	0.625 in
Input Bore (C Face)	0.625
Reducer	Worm - Right Angle
Product Line	GR Series - Ironman Worm Gear Reducers
Reduction	Single
Output Shaft Direction	H1
Overhung Load Rating (Output Shaft(lb))	1,000 lb
Housing Material	Cast Iron
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	614 in/lbs

General Specifications

UPC	690310049259
Weight	30.00 LB