• 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

C	6.38 in
U	0.625 in
L	4.82 in
AK	4.5
BD	6.5
G	1.44
V	1.94 in
J	5 in
BF	0.41
B	5.8
Center Distance (in)	2.06 in
BE	0.38 in
I	3.61 in
D	2.28
AG	6
AE1	0.61
T	1.438
AE2	0.4
AJ	5.88
F	2.88
AD	4.99
LM	7.07

Technical Specifications

Product Line	GR Series - Ironman Worm Gear Reducers
Input Diameter (in)	0.625 in
Gear Type	Worm
Input Keyway	3/16 X 1.38 in
Mounting Style	Shaft Mount
Reducer Style	Worm - Right Angle
Output Shaft Orientation	H1
Reducer	Worm - Right Angle
Ratio	30:1
Frame Size	56C
Series Style	GRL-HM-H1
Input HP @ 1750 RPM	1.129
Shaft Seal Material	Viton
Input Style	Flexible Coupling Input
Output HP	0.896
Input HP	1.129
Input Bore (C Face)	0.625
Motor Frame Size	56C
Output Style	H1
Output Key	3/8 X 3.00
Model Code	HM821
Product Type	Right Angle
Input Keyway (C Face)	3/16 x 3/32
Output Shaft Assembly Code	H1
Bore Code	23
Ratio Range	30:1
Input RPM	1,750
Service Factor	1
Output Diameter (in)	1.438 in
Output RPM	58
Series	GR Series - Ironman Worm Gear Reducers
Series Code	GRL
Assembly	HM-H1
No. of Gear Reductions	Single
Center Distance (in)	2.06
Thrust Rating - output shaft	1144
Reduction	Single
Output Shaft Direction	H1
Output Torque Rating (in-lb)	968 in/lbs
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,255 lb
Output Shaft	Hollow Bore

General Specifications

UPC	690310048948
Weight	31.00 LB