• 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

AE2	0.28
I	3.24 in
C	5.75 in
AE1	0.49
Center Distance (in)	1.75 in
T	0.75
D	2.06
G	1.38
B	5.19
F	2.75
AG	5.5
J	4.19 in
V	1.44 in
U	0.625 in
L	4.45 in
M	1.76
AD	4.73

Technical Specifications

Series	GR Series - Ironman Worm Gear Reducers
Reducer	Worm - Right Angle
Center Distance (in)	1.75
Output HP	0.875
Output Shaft Orientation	H1
Input Diameter (in)	0.625 in
Ratio	20:1
Service Factor	1
Output Diameter (in)	0.75 in
Output RPM	87
Product Type	Right Angle
Assembly	H-H1
Thrust Rating - output shaft	1144
Ratio Range	20:1
Reducer Style	Worm - Right Angle
Gear Type	Worm
Output Key	3/16 X 1.50
Series Code	GR
No. of Gear Reductions	Single
Input HP	1.046
Input RPM	1,750
Input HP @ 1750 RPM	1.046
Bore Code	12
Shaft Seal Material	Viton
Mounting Style	Shaft Mount
Input Keyway	3/16 X 1.38 in
Input Style	Solid Shaft
Output Style	H1
Model Code	H818
Output Shaft Assembly Code	H1
Series Style	GR-H-H1
Product Line	GR Series - Ironman Worm Gear Reducers
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Output Torque Rating (in-lb)	630 in/lbs
Output Shaft	Hollow Bore
Overhung Load Rating (Output Shaft(lb))	1,200 lb

General Specifications

UPC	690310008423
Weight	21.00 LB