• 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

C	6.38 in
BE	0.38 in
AD	4.99
Center Distance (in)	2.06 in
V	1.94 in
AE2	0.4
L	4.82 in
AG	6
G	1.44
AJ	5.88
F	3
D	2.28
B	5.8
T	1.4375
AE1	0.61
BD	6.5
AK	4.5
BF	0.41
J	4.75 in
LM	7.07
U	0.625 in
I	3.61 in

Technical Specifications

Series	GR Series - Ironman Worm Gear Reducers
No. of Gear Reductions	Single
Reducer Style	Worm - Right Angle
Input Keyway	3/16 X 1.38 in
Output RPM	175
Product Line	GR Series - Ironman Worm Gear Reducers
Series Style	GRG-HM-H1
Output Diameter (in)	1.4375 in
Thrust Rating - output shaft	898
Service Factor	1
Output Key	3/8 X 3.00
Shaft Seal Material	Viton
Output Shaft Orientation	H1
Motor Frame Size	56
Product Type	Right Angle
Bore Code	23
Input RPM	1,750
Output Shaft Assembly Code	H1
Input HP @ 1750 RPM	2.464
Model Code	HM821
Input HP	2.464
Series Code	GRG
Reducer	Worm - Right Angle
Input Style	Flexible Coupling Input
Ratio	10:1
Output HP	2.235
Output Style	H1
Input Keyway (C Face)	3/16 x 3/32
Ratio Range	10:1
Center Distance (in)	2.06
Frame Size	56C
Input Diameter (in)	0.625 in
Input Bore (C Face)	0.625
Assembly	HM-H1
Mounting Style	Shaft Mount
Gear Type	Worm
Reduction	Single
Output Shaft Direction	H1
Output Torque Rating (in-lb)	805 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,065 lb
Housing Material	Cast Iron
Output Shaft	Hollow Bore

General Specifications

UPC	690310037959
Weight	31.00 LB