• 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
G	1.44
BD	6.5
F	2.88
AA	7.24
L	4.82 in
AF	0.75
AK	4.5
AG	6
R	0.75 in
AE2	0.4
C	6.38 in
D	2.28
Center Distance (in)	2.06 in
AD	4.99
BF	0.41
V	1.94 in
J	5 in
U	0.625 in
B	5.8
LM	7.07
AJ	5.88
BE	0.38 in
AB	5.43
I	3.61 in
T	1.438

Technical Specifications

Output RPM	233
Input HP	2.793
Output HP	2.562
Output Key	3/8 X 3.00
Mounting Style	Shaft Mount
Output Shaft Orientation	H1
Series Style	GRL-HM-H1
Input Style	Flexible Coupling Input
Frame Size	140TC
Series Type	Cast Iron 800 Worm Gear Reducers
Output Shaft Assembly Code	H1
Reducer Style	Worm - Right Angle
Bore Code	23
Output Style	H1
Input RPM	1,750
Series Code	GRL
Input Keyway (C Face)	3/16 x 3/32
Product Type	Right Angle
Ratio	7.5:1
Product Line	GR Series - Ironman Worm Gear Reducers
Gear Type	Worm
Ratio Range	7.5:1
Input HP @ 1750 RPM	2.793
Service Factor	1
Center Distance (in)	2.06
Thrust Rating - output shaft	811
No. of Gear Reductions	Single
Motor Frame Size	140C
Model Code	HM821
Series	GR Series - Ironman Worm Gear Reducers
Input Diameter (in)	0.625 in
Assembly	HM-H1
Input Keyway	3/16 X 1.38 in
Shaft Seal Material	Viton
Reducer	Worm - Right Angle
Input Bore (C Face)	0.875
Output Diameter (in)	1.438 in
Reduction	Single
Output Shaft Direction	H1
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	692 in/lbs
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,035 lb

General Specifications

UPC	690310049136
Weight	31.00 LB