• 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

AG	6
U	0.625 in
M	1.76
AA	7.24
V	1.94 in
F	2.88
AB	5.43
J	5 in
C	6.38 in
AF	0.75
G	1.44
AD	4.99
B	5.8
L	4.82 in
H	0.53 in
D	2.28
I	3.61 in
AE2	0.4
Center Distance (in)	2.06 in
R	0.75 in
AE1	0.61
T	1.25

Technical Specifications

Input HP	0.769
Series Code	GRL
Output Key	1/4 X 3.00
Output Style	H1
Series Type	Cast Iron 800 Worm Gear Reducers
Bore Code	20
Output RPM	35
Output HP	0.539
Reducer Style	Worm - Right Angle
Output Shaft Orientation	H1
Output Shaft Assembly Code	H1
Input RPM	1,750
Input Style	Solid shaft
Mounting Style	Shaft Mount
Series Style	GRL-H-H1
No. of Gear Reductions	Single
Series	GR Series - Ironman Worm Gear Reducers
Ratio	50:1
Assembly	H-H1
Input Diameter (in)	0.625 in
Shaft Seal Material	Viton
Input Keyway	3/16 X 1.38 in
Input HP @ 1750 RPM	0.769
Service Factor	1
Gear Type	Worm
Product Line	GR Series - Ironman Worm Gear Reducers
Product Type	Right Angle
Ratio Range	50:1
Thrust Rating - output shaft	1144
Reducer	Worm - Right Angle
Output Diameter (in)	1.250 in
Center Distance (in)	2.06
Model Code	H821
Reduction	Single
Output Shaft Direction	H1
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	970 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,385 lb
Housing Material	Cast Iron

General Specifications

UPC	690310048634
Weight	26.00 LB