• 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

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

Technical Specifications

Output Style	L
Input HP	2.793
Output RPM	233.3
Input RPM	1,750
Series Code	GRL
Overhung Load	1,035
Output HP	2.562
Mounting Style	Vertical Input Shaft
Input Style	C-Face Quill
Output Key	1/4 X 1.44
Frame Size	140TC
No. of Gear Reductions	Single
Series Style	GRL-JMQ-L
Output Shaft Orientation	L
Series Type	Cast Iron 800 Worm Gear Reducers
Reducer Style	Worm - Right Angle
Output Shaft Assembly Code	L
Keyway	3/16 X 3/32
Gear Type	Worm
Input Quill Diameter (in)	0.875 in
Reducer	Worm - Right Angle
Product Line	GR Series - Ironman Worm Gear Reducers
Output Diameter (in)	1.000 in
Model Code	JMQ821
Input Keyway (C Face)	3/16 x 3/32
Shaft Seal Material	Viton
Series	GR Series - Ironman Worm Gear Reducers
Input Keyway	3/16 X 1.38 in
Ratio	7.5:1
Motor Frame Size	140TC
Assembly	JMQ-L
Center Distance (in)	2.06
Input Bore (C Face)	0.875
Ratio Range	7.5:1
Input Diameter (in)	0.875 in
Service Factor	1
Product Type	Right Angle
Reduction	Single
Output Shaft Direction	Left
Housing Material	Cast Iron
Output Shaft	Shaft
Output Torque Rating (in-lb)	692 in/lbs

General Specifications

Weight

32.00 LB