• 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

AE1	0.61
BE	0.38 in
L	4.82 in
I	3.61 in
AJ	5.88
Center Distance (in)	2.06 in
AG	6
D	2.28
BD	6.5
AE2	0.4
U	0.625 in
BF	0.41
V	1.94 in
AK	4.5
AD	4.99
T	1
F	2.88
J	5 in
G	1.44
LM	7.07
C	6.38 in
B	5.8

Technical Specifications

Output RPM	175
Output Key	1/4 X 2.50
Reducer Style	Worm - Right Angle
No. of Gear Reductions	Single
Input Style	Flexible Coupling Input
Input RPM	1,750
Input Keyway (C Face)	3/16 x 3/32
Reducer	Worm - Right Angle
Series Code	GRL
Shaft Seal Material	Viton
Output Shaft Assembly Code	H1
Ratio	10:1
Ratio Range	10:1
Product Line	GR Series - Ironman Worm Gear Reducers
Input HP	2.464
Series	GR Series - Ironman Worm Gear Reducers
Input HP @ 1750 RPM	2.464
Bore Code	16
Output Style	H1
Input Bore (C Face)	0.625
Center Distance (in)	2.06
Model Code	HM821
Input Diameter (in)	0.625 in
Motor Frame Size	56C
Gear Type	Worm
Input Keyway	3/16 X 1.38 in
Frame Size	56C
Output Shaft Orientation	H1
Product Type	Right Angle
Series Style	GRL-HM-H1
Service Factor	1
Mounting Style	Shaft Mount
Output Diameter (in)	1 in
Assembly	HM-H1
Thrust Rating - output shaft	898
Output HP	2.235
Reduction	Single
Output Shaft Direction	H1
Output Shaft	Hollow Bore
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,065 lb
Output Torque Rating (in-lb)	805 in/lbs

General Specifications

UPC	690310048771
Weight	31.00 LB