• 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

M	1.76
AG	6
C	6.38 in
U	0.625 in
V	1.94 in
F	3
AD	4.99
L	4.82 in
I	3.61 in
Center Distance (in)	2.06 in
AE1	0.61
AE2	0.4
G	1.44
T	1.4375
J	4.75 in
B	5.8
D	2.28

Technical Specifications

Output Key	3/8 x 3.00
Reducer Style	Worm - Right Angle
Series	GR Series - Ironman Worm Gear Reducers
Output RPM	116
Ratio Range	15:1
Bore Code	23
Product Line	GR Series - Ironman Worm Gear Reducers
Shaft Seal Material	Viton
Gear Type	Worm
Input RPM	1,750
Assembly	H-H1
Series Style	GRG-H-H1
Product Type	Right Angle
Output Diameter (in)	1.4375 in
Input Style	Solid Shaft
Series Code	GRG
Output Style	H1
Mounting Style	Shaft Mount
Output Shaft Assembly Code	H1
Center Distance (in)	2.06
Service Factor	1
Input HP	1.887
Thrust Rating - output shaft	1099
No. of Gear Reductions	Single
Output HP	1.661
Output Shaft Orientation	H1
Model Code	H821
Input Keyway	3/16 X 1.38 in
Reducer	Worm - Right Angle
Ratio	15:1
Input HP @ 1750 RPM	1.887
Input Diameter (in)	0.625 in
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Output Shaft	Hollow Bore
Overhung Load Rating (Output Shaft(lb))	1,125 lb
Output Torque Rating (in-lb)	897 in/lbs

General Specifications

UPC	690310037621
Weight	26.00 LB