• 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

I	4.34 in
AK	8.5
AD	6.01
V	1.94 in
L	6.07 in
F	3.38
AE2	0.39
Center Distance (in)	2.63 in
AG	7
AE1	0.6
G	1.69
B	7.38
T	1.438
BF	0.53
C	8 in
BE1	0.5 in
L1	9.32 in
U	0.75 in
BD	9
AJ	7.25
J	6.38 in
D	2.94

Technical Specifications

Output Shaft Assembly Code	H1
Motor Frame Size	210
Input HP @ 1750 RPM	4.956
No. of Gear Reductions	Single
Thrust Rating - output shaft	1609
Series Code	GR
Product Line	GR Series - Ironman Worm Gear Reducers
Center Distance (in)	2.63
Output HP	4.571
Service Factor	1
Input RPM	1,750
Series Style	GR-HM-H1
Input HP	4.956
Frame Size	210TC
Output Key	3/8 X 3.00
Ratio Range	7.5:1
Output RPM	233
Output Diameter (in)	1.438 in
Input Style	Flexible Coupling Input
Model Code	HM826
Assembly	HM-H1
Series	GR Series - Ironman Worm Gear Reducers
Reducer	Worm - Right Angle
Shaft Seal Material	Viton
Mounting Style	Shaft Mount
Ratio	7.5:1
Bore Code	23
Output Style	H1
Input Keyway (C Face)	5/16 x 5/32
Input Bore (C Face)	1.375
Reducer Style	Worm - Right Angle
Output Shaft Orientation	H1
Product Type	Right Angle
Input Keyway	3/16 X 1.63 in
Gear Type	Worm
Input Diameter (in)	0.75 in
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,625 lb
Output Shaft	Hollow Bore
Output Torque Rating (in-lb)	1235 in/lbs

General Specifications

UPC	690310017746
Weight	56.00 LB