• 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

T	1.1875
F	3
BF	0.41
AK	4.5
L	4.82 in
U	0.625 in
C	6.38 in
AG	6
AE2	0.4
BD	6.5
G	1.44
I	3.61 in
LM	7.07
V	1.94 in
BE	0.38 in
J	4.75 in
Center Distance (in)	2.06 in
AE1	0.61
AD	4.99
AJ	5.88
D	2.28
B	5.8

Technical Specifications

Bore Code	19
Series	GR Series - Ironman Worm Gear Reducers
Series Style	GRG-HM-H1
Input HP @ 1750 RPM	2.793
Gear Type	Worm
Service Factor	1
Output Style	H1
Output RPM	233
Motor Frame Size	140
Input HP	2.793
Series Code	GRG
Output Shaft Orientation	H1
Model Code	HM821
Input Style	Flexible Coupling Input
Mounting Style	Shaft Mount
Frame Size	140TC
Reducer	Worm - Right Angle
Output Diameter (in)	1.1875 in
Ratio Range	7.5:1
No. of Gear Reductions	Single
Input Bore (C Face)	0.875
Input Keyway (C Face)	3/16 x 3/32
Product Type	Right Angle
Output Shaft Assembly Code	H1
Thrust Rating - output shaft	811
Shaft Seal Material	Viton
Product Line	GR Series - Ironman Worm Gear Reducers
Output HP	2.562
Input RPM	1,750
Center Distance (in)	2.06
Input Diameter (in)	0.625 in
Output Key	1/4 X 2.50
Input Keyway	3/16 X 1.38 in
Reducer Style	Worm - Right Angle
Assembly	HM-H1
Ratio	7.5:1
Reduction	Single
Output Shaft Direction	H1
Output Torque Rating (in-lb)	692 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,035 lb
Housing Material	Cast Iron
Output Shaft	Hollow Bore

General Specifications

UPC	690310038338
Weight	31.00 LB