• 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

B	10.25
I	6.1 in
F	5
C	11.38 in
V	2.756 in
BF	0.41
J	8.5 in
AJ	5.88
U	1.25 in
AE2	0.34
Center Distance (in)	4.25 in
AE1	0.63
BD	6.5
D	4.44
T	1.938
BE	0.38 in
AG	8.5
AK	4.5
G	2.5
L	9.57 in
LM	11.81
AD	7.53

Technical Specifications

Output Shaft Assembly Code	H1
Model Code	HM842
Reducer Style	Worm - Right Angle
Input Diameter (in)	1.25 in
Output HP	4.274
Ratio Range	40:1
Product Type	Right Angle
Output Shaft Orientation	H1
Shaft Seal Material	Viton
Input Bore (C Face)	0.875
Frame Size	140TC
Series Code	GR
Output Style	H1
Input RPM	1,750
Output RPM	43
Service Factor	1
Input HP @ 1750 RPM	5.262
Product Line	GR Series - Ironman Worm Gear Reducers
Input HP	5.262
Series Style	GR-HM-H1
Assembly	HM-H1
Mounting Style	Shaft Mount
Input Keyway	1/4 X 2.50 in
Input Keyway (C Face)	3/16 x 3/32
Input Style	Flexible Coupling Input
Reducer	Worm - Right Angle
Bore Code	31
Gear Type	Worm
Ratio	40:1
Motor Frame Size	140
Series	GR Series - Ironman Worm Gear Reducers
Output Diameter (in)	1.938 in
Output Key	1/2 X 3.38
Thrust Rating - output shaft	2533
No. of Gear Reductions	Single
Center Distance (in)	4.25
Reduction	Single
Output Shaft Direction	H1
Housing Material	Cast Iron
Output Shaft	Hollow Bore
Overhung Load Rating (Output Shaft(lb))	3,715 lb
Output Torque Rating (in-lb)	6156 in/lbs

General Specifications

UPC	690310028247
Weight	157.00 LB