• 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

AG	5.5
J	4.19 in
AK	4.5
BE	0.38 in
I	3.24 in
AE2	0.28
BF	0.41
Center Distance (in)	1.75 in
LM	6.7
L	4.45 in
AJ	5.88
F	2.75
U	0.625 in
G	1.38
AD	4.73
T	1
C	5.75 in
D	2.06
AE1	0.49
BD	6.5
V	1.44 in
B	5.19

Technical Specifications

Ratio	5:1
Input Diameter (in)	0.625 in
Input RPM	1,750
Series Style	GR-HM-H1
Product Line	GR Series - Ironman Worm Gear Reducers
Ratio Range	5:1
Output Diameter (in)	1.000 in
Product Type	Worm Speed Reducer
Input HP @ 1750 RPM	2.6
Input HP	2.6
Input Keyway	3/16 X 1.38 in
Output Key	1/4 X 2.5
Output HP	2.422
Output RPM	350
Bore Code	16
Shaft Seal Material	Viton
Input Bore (C Face)	0.875
Gear Type	Worm
Input Style	Flexible Coupling Input
Output Style	H1
Reducer Style	Worm - Right Angle
Series	GR Series - Ironman Worm Gear Reducers
Model Code	HM818
Series Code	GR
Output Shaft Assembly Code	H1
Center Distance (in)	1.75
Reducer	Worm - Right Angle
Assembly	HM-H1
No. of Gear Reductions	Single
Motor Frame Size	140TC
Service Factor	1
Frame Size	140TC
Thrust Rating - output shaft	793
Input Keyway (C Face)	3/16 x 3/32
Mounting Style	Shaft Mount
Output Shaft Orientation	H1
Reduction	Single
Output Shaft Direction	H1
Output Torque Rating (in-lb)	436 in/lbs
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,200 lb
Output Shaft	Hollow Bore

General Specifications

UPC	690310008751
Weight	27.00 LB