• 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

V	1.44 in
Center Distance (in)	1.75 in
B	5.19
C	5.75 in
F	2.75
BD	6.5
LM	6.7
T	1
J	4.19 in
BE	0.38 in
L	4.45 in
AK	4.5
U	0.625 in
AD	4.73
D	2.06
AE1	0.49
G	1.38
AE2	0.28
I	3.24 in
AJ	5.88
AG	5.5
BF	0.41

Technical Specifications

Output RPM	233
Gear Type	Worm
Motor Frame Size	140
Ratio Range	7.5:1
Series Code	GR
Series	GR Series - Ironman Worm Gear Reducers
Input Bore (C Face)	0.875
Output Shaft Orientation	H1
Shaft Seal Material	Viton
Assembly	HM-H1
Product Type	Right Angle
Frame Size	140TC
Series Style	GR-HM-H1
Reducer Style	Worm - Right Angle
Output HP	1.745
Service Factor	1
No. of Gear Reductions	Single
Output Diameter (in)	1.000 in
Input HP @ 1750 RPM	1.909
Reducer	Worm - Right Angle
Thrust Rating - output shaft	868
Input HP	1.909
Model Code	HM818
Output Key	1/4 X 2.50
Input RPM	1,750
Input Diameter (in)	0.625 in
Mounting Style	Shaft Mount
Output Shaft Assembly Code	H1
Ratio	7.5:1
Input Style	Flexible Coupling Input
Input Keyway (C Face)	3/16 x 3/32
Center Distance (in)	1.75
Product Line	GR Series - Ironman Worm Gear Reducers
Input Keyway	3/16 X 1.38 in
Output Style	H1
Bore Code	16
Reduction	Single
Output Shaft Direction	H1
Overhung Load Rating (Output Shaft(lb))	1,200 lb
Output Torque Rating (in-lb)	471 in/lbs
Output Shaft	Hollow Bore
Housing Material	Cast Iron

General Specifications

UPC	690310008768
Weight	27.00 LB