• 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

Center Distance (in)	2.06 in
LQ	4.46 in
N	4.68
G	3.4
J	2.63-2.75 in
R	4.01 in
H	.56 Slot in
B	4
O	2.29 in
D	2.28
AJ	5.88
V	0.38 in
BD	6.5
RQ	4.06 in
AK	4.5
BE	0.38 in
BF	0.41
K	1.31-1.38 in
C	6.38 in
T	1
F	8.63
A	9.76

Technical Specifications

Series Code	GRG
Output Shaft Orientation	L
Frame Size	56C
Mounting Style	Vertical Input Shaft
Reducer Style	Worm - Right Angle
Output Shaft Assembly Code	L
Output Style	L
Output Key	1/4 X 1.44
Output HP	1.661
Keyway	3/16 X 3/32
Series Style	GRG-JMQ-L
Input RPM	1,750
Series Type	Cast Iron 800 Worm Gear Reducers
No. of Gear Reductions	Single
Output RPM	116
Input Style	C-Face Quill
Input HP	1.887
Overhung Load	1,125
Service Factor	1
Product Type	Right Angle
Center Distance (in)	2.06
Model Code	JMQ821
Input Keyway	3/16 X 1.38 in
Shaft Seal Material	Viton
Ratio Range	15:1
Ratio	15:1
Input Quill Diameter (in)	0.625 in
Series	GR Series - Ironman Worm Gear Reducers
Input Keyway (C Face)	3/16 x 3/32
Output Diameter (in)	1.000 in
Reducer	Worm - Right Angle
Assembly	JMQ-L
Input Diameter (in)	0.625 in
Gear Type	Worm
Input Bore (C Face)	0.625
Motor Frame Size	56C
Product Line	GR Series - Ironman Worm Gear Reducers
Reduction	Single
Output Shaft Direction	Left
Output Shaft	Shaft
Output Torque Rating (in-lb)	897 in/lbs
Housing Material	Cast Iron

General Specifications

Weight

28.00 LB