• 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

AD	4.99
U	0.625 in
M	1.76
AE2	0.4
C	6.38 in
T	1.25
AG	6
Center Distance (in)	2.06 in
F	2.88
D	2.28
AE1	0.61
V	1.94 in
G	1.44
B	5.8
L	4.82 in
J	5 in
I	3.61 in

Technical Specifications

Series Code	GRL
Series Style	GRL-H-H1
Reducer	Worm - Right Angle
Series	GR Series - Ironman Worm Gear Reducers
Shaft Seal Material	Viton
Input RPM	1,750
Model Code	H821
Input Style	Solid shaft
Mounting Style	Shaft Mount
Output Shaft Orientation	H1
Thrust Rating - output shaft	1144
Center Distance (in)	2.06
Assembly	H-H1
Output Key	1/4 X 3.00
Reducer Style	Worm - Right Angle
Output Shaft Assembly Code	H1
Ratio	20:1
Ratio Range	20:1
Product Line	GR Series - Ironman Worm Gear Reducers
Input HP	1.584
Output RPM	87
Product Type	Right Angle
Service Factor	1
Output HP	1.338
Bore Code	20
Input HP @ 1750 RPM	1.584
Gear Type	Worm
Output Diameter (in)	1.250 in
Input Keyway	3/16 X 1.38 in
Output Style	H1
Input Diameter (in)	0.625 in
No. of Gear Reductions	Single
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	964 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,175 lb

General Specifications

UPC	690310048535
Weight	26.00 LB