• 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
U	0.625 in
BE	0.38 in
I	3.24 in
B	5.19
J	4.19 in
F	2.75
BD	4.36
V	1.44 in
AJ	3.75
AG	5.5
C	5.75 in
D	2.06
AE2	0.28
BF	0.28
AD	4.73
G	1.38
L	4.45 in
Center Distance (in)	1.75 in
LM	6.26
AK	3
AE1	0.49

Technical Specifications

Product Type	Right Angle
Reducer Style	Worm - Right Angle
Output Shaft Orientation	H1
Input Bore (C Face)	0.5
Assembly	HM-H1
Thrust Rating - output shaft	1144
Series Style	GR-HM-H1
Output Diameter (in)	1.000 in
Input HP @ 1750 RPM	0.609
Output Key	1/4 X 2.50
Model Code	HM818
Input HP	0.609
Input Keyway	3/16 X 1.38 in
Output RPM	43
Ratio	40:1
Output HP	0.44
Center Distance (in)	1.75
Output Style	H1
Input Keyway (C Face)	1/8 x 1/16
Output Shaft Assembly Code	H1
Input Style	Flexible Coupling Input
Reducer	Worm - Right Angle
Series	GR Series - Ironman Worm Gear Reducers
Ratio Range	40:1
Mounting Style	Shaft Mount
Input Diameter (in)	0.625 in
Frame Size	48CZ
Shaft Seal Material	Viton
Service Factor	1
Series Code	GR
Motor Frame Size	48
Input RPM	1,750
No. of Gear Reductions	Single
Gear Type	Worm
Product Line	GR Series - Ironman Worm Gear Reducers
Bore Code	16
Reduction	Single
Output Shaft Direction	H1
Output Torque Rating (in-lb)	634 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,200 lb
Housing Material	Cast Iron
Output Shaft	Hollow Bore

General Specifications

UPC	690310009376
Weight	27.00 LB