• 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

BE1	0.5 in
B	7
L	9.57 in
J	5 in
H	0.69 in
BD	9
AK	8.5
T	1.875
L1	12.9 in
C	11.38 in
AJ	7.25
K	2.5 in
BF	0.53
R	6.5 in
O	4.5 in
N	8.12
U	1.25 in
V	0.5 in
F	14.88
D	4.44
G	6.19
Center Distance (in)	4.25 in
A	16.38

Technical Specifications

No. of Gear Reductions	Single
Series Style	GR-JM-L
Input RPM	1,750
Frame Size	210TC
Input Style	C-Face Coupled
Output Style	L
Output Key	1/2 X 3.06
Input HP	11.13
Output HP	10.2
Output Shaft Assembly Code	L
Reducer Style	Worm - Right Angle
Overhung Load	3,190
Mounting Style	Vertical Input Shaft
Output RPM	116
Series Code	GR
Output Shaft Orientation	L
Series Type	Cast Iron 800 Worm Gear Reducers
Keyway	5/16 X 5/32
Series	GR Series - Ironman Worm Gear Reducers
Input Keyway	1/4 X 2.50 in
Input Bore (C Face)	1.375
Gear Type	Worm
Ratio Range	15:1
Input Keyway (C Face)	5/16 x 5/32
Ratio	15:1
Service Factor	1
Reducer	Worm - Right Angle
Model Code	JM842
Assembly	JM-L
Output Diameter (in)	1.875 in
Shaft Seal Material	Viton
Product Type	Right Angle
Center Distance (in)	4.25
Input Diameter (in)	1.375 in
Motor Frame Size	210TC
Product Line	GR Series - Ironman Worm Gear Reducers
Reduction	Single
Output Shaft Direction	Left
Output Torque Rating (in-lb)	5508 in/lbs
Output Shaft	Shaft
Housing Material	Cast Iron

General Specifications

Weight

269.00 LB