• 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

AJ	5.88
B	5.8
BF	0.41
AE2	0.4
AD	4.99
F	2.88
BE	0.38 in
J	5 in
G	1.44
BD	6.5
LM	7.07
V	1.94 in
C	6.38 in
L	4.82 in
T	1.438
Center Distance (in)	2.06 in
U	0.625 in
AG	6
I	3.61 in
AK	4.5
AE1	0.61
D	2.28

Technical Specifications

Center Distance (in)	2.06
Gear Type	Worm
Output Diameter (in)	1.438 in
Mounting Style	Shaft Mount
Input Diameter (in)	0.625 in
Input Style	Flexible Coupling Input
Output RPM	116
Input HP @ 1750 RPM	1.887
Output Style	H1
Product Line	GR Series - Ironman Worm Gear Reducers
Assembly	HM-H1
Input Bore (C Face)	0.875
Shaft Seal Material	Viton
Frame Size	140TC
Output HP	1.661
Motor Frame Size	140C
Input HP	1.887
Input RPM	1,750
Input Keyway (C Face)	3/16 x 3/32
Ratio Range	15:1
Output Shaft Assembly Code	H1
Reducer	Worm - Right Angle
Model Code	HM821
No. of Gear Reductions	Single
Thrust Rating - output shaft	1099
Output Shaft Orientation	H1
Output Key	3/8 X 3.00
Series	GR Series - Ironman Worm Gear Reducers
Reducer Style	Worm - Right Angle
Service Factor	1
Series Style	GRL-HM-H1
Input Keyway	3/16 X 1.38 in
Series Code	GRL
Product Type	Right Angle
Bore Code	23
Ratio	15:1
Reduction	Single
Output Shaft Direction	H1
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	897 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,125 lb
Housing Material	Cast Iron

General Specifications

UPC	690310049198
Weight	31.00 LB