• 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

AJ	5.88
X	7 in
LQ	4.46 in
RQ	4.06 in
Center Distance (in)	2.06 in
H	0.41 in
I	3.61 in
T	1
V	0.44 in
R	3.69 in
BD	6.5
N	4.68
C	6.38 in
D	2.28
BF	0.41
O	2.08 in
B	5.8
Y	5.99 in
BE	0.38 in
AK	4.5
A	3.81

Technical Specifications

Series Type	Cast Iron 800 Worm Gear Reducers
Overhung Load	1,175
Reducer Style	Worm - Right Angle
Mounting Style	Flange Mounted Output Shaft
Output RPM	87
Output Shaft Orientation	LL
Input Style	C-Face Quill
Output Shaft Assembly Code	LL
Input RPM	1,750
Keyway	3/16 X 3/32
Output HP	1.338
Input HP	1.584
Frame Size	140TC
No. of Gear Reductions	Single
Output Key	1/4 X 1.44
Series Style	GRG-FMQ-LL
Output Style	LL
Series Code	GRG
Input Bore (C Face)	0.875
Output Diameter (in)	1.000 in
Input Keyway (C Face)	3/16 x 3/32
Gear Type	Worm
Product Line	GR Series - Ironman Worm Gear Reducers
Input Diameter (in)	0.875 in
Service Factor	1
Reducer	Worm - Right Angle
Ratio	20:1
Assembly	FMQ-LL
Model Code	FMQ821
Ratio Range	20:1
Input Keyway	3/16 X 1.38 in
Shaft Seal Material	Viton
Input Quill Diameter (in)	0.875 in
Center Distance (in)	2.06
Product Type	Right Angle
Series	GR Series - Ironman Worm Gear Reducers
Motor Frame Size	140TC
Reduction	Single
Housing Material	Cast Iron
Output Torque Rating (in-lb)	964 in/lbs
Output Shaft	Shaft

General Specifications

Weight

32.00 LB