• 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

Center Distance (in)	2.06 in
B	5.8
T	1.25
D	2.28
AD	4.99
C	6.38 in
V	1.94 in
AE2	0.4
AG	6
G	1.44
J	4.75 in
F	3
M	1.76
I	3.61 in
AE1	0.61
U	0.625 in
L	4.82 in

Technical Specifications

Reducer Style	Worm - Right Angle
Output HP	0.122
Ratio	100:1
Output Shaft Assembly Code	H1
Product Type	Right Angle
Input HP @ 1750 RPM	0.217
Bore Code	20
Output Key	1/4 x 2.50
Shaft Seal Material	Viton
Input Diameter (in)	0.625 in
Series	GR Series - Ironman Worm Gear Reducers
No. of Gear Reductions	Single
Service Factor	1
Input Style	Solid Shaft
Model Code	H821
Input HP	0.217
Reducer	Worm - Right Angle
Center Distance (in)	2.06
Assembly	H-H1
Input Keyway	3/16 X 1.38 in
Output Shaft Orientation	H1
Series Style	GRG-H-H1
Thrust Rating - output shaft	1144
Output Diameter (in)	1.250 in
Mounting Style	Shaft Mount
Input RPM	1,750
Product Line	GR Series - Ironman Worm Gear Reducers
Ratio Range	100:1 to 250:1
Gear Type	Worm
Output RPM	17
Output Style	H1
Series Code	GRG
Reduction	Single
Output Shaft Direction	H1
Output Shaft	Hollow Bore
Housing Material	Cast Iron
Output Torque Rating (in-lb)	439 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,580 lb

General Specifications

UPC	690310037874
Weight	26.00 LB